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Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Reference Data

1. Solderability

(1) Test Method

Subject the chip capacitor to the following conditions. Then apply flux (an ethanol solution of 25% rosin) to the chip and dip it in 230D eutectic solder for 2 seconds. Conditions:

Expose prepared at room temperature (for 6 months and 12 months, respectively)

Prepared at high temperature (for 100 hours at 85D) Prepared left at high humidity (for 100 hours under 90%RH to 95%RH at 40D)

Table 1

(2) Test Samples

GRM21 : Products for flow/reflow soldering.

(3) Acceptance Criteria

With a 60-power optical microscope, measure the surface area of the outer electrode that is covered with solder.

(4) Results

Refer to Table 1.

Sample

Initial State

Prepared at Room Temperature

Prepared at High

Prepared at High Humidity

6 months

12 months

Temperature for

for 100 Hours at 90 to

 

 

100 Hours at 85D

95% RH and 40D

GRM21 for flow/reflow soldering

95 to 100%

95 to 100%

95%

90 to 95%

95%

 

 

 

 

 

 

2.Board Bending Strength for Solder Fillet Height

(1)Test Method

Solder the chip capacitor to the test PCB with the amount of solder paste necessary to achieve the fillet heights. Then bend the PCB using the method illustrated and measure capacitance.

 

 

 

Capacitor

20

50

Pressurizing

 

 

 

 

 

 

 

 

Speed : 1.0mm/sec.

 

 

 

 

 

 

Pressurize

 

13

 

 

 

Supporting

R230

 

 

Note : The material of pressure application jig and

45

 

45

 

 

 

support is the quenched metal.

 

 

Base

 

 

 

(hardness HB 183-255 or superhardness

 

,QRU¢£¶100

 

 

 

 

 

HRA90 or more)

 

 

 

 

 

 

Flexure

 

 

 

 

 

 

 

Thickness

 

ST§•W®VYZ]ß™´Æ

 

1.65

Capacitance Meter

 

1.0

1.2

 

 

 

 

 

40

 

 

 

 

Solder Amount

Larger Fillet.

 

 

 

 

 

 

 

 

Fillet up to Chip

 

 

 

 

4.0

1.6

 

 

 

 

Material : GlassX[\©¨Epoxy

 

 

 

 

 

: Copper Foil (0.35mm thick)

 

 

 

 

 

: Solder Resist

 

 

 

 

(in mm)

 

 

 

 

 

 

 

 

(2) Test Samples

GRM21: 5C/R7/F5 Characteristics T=0.6mm

(3) Acceptance Criteria

Products should be determined to be defective if the change in capacitance has exceeded the values specified in Table 2.

Table 2

1 Characteristics

Change in Capacitance

5C

Within T5% or T0.5pF, whichever is greater

R7

Within T12.5%

F5

Within T20%

Continued on the following page.

92

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Reference Data

Continued from the preceding page.

(4) Results

 

GRM21 5C (T=0.6)

 

 

 

100

 

 

 

 

(%)

80

 

 

Fillet up to Chip

(%)

Rate

 

 

 

Rate

60

 

 

Thickness

Survival

40

Larger Fillet

 

 

Survival

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

0

 

 

 

 

 

0

2

4

6

8

 

 

 

Flexure (mm)

 

 

GRM21 F5 (T=0.6)

 

 

 

100

 

 

 

 

(%)

80

 

 

Fillet up to Chip

 

Rate

 

 

 

 

60

 

 

Thickness

 

Survival

40

Larger Fillet

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

0

 

 

 

 

 

0

2

4

6

8

 

 

 

Flexure (mm)

 

GRM21 R7 (T=0.6)

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fillet up to Chip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

Thickness

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Larger Fillet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

2

4

6

 

8

 

 

 

 

 

 

Flexure (mm)

 

 

3. Temperature Cycling for Solder Fillet Height

 

 

 

 

 

 

 

 

 

(1) Test Method

 

[Temperature Cycling]

 

 

 

 

 

Solder the chips to the substrate of various test fixtures

 

 

 

 

 

 

 

 

 

 

 

 

 

 

using sufficient amounts of solder to achieve the required

 

 

+125D

 

 

 

 

 

13

fillet height. Then subject the fixtures to the cycle

 

 

 

 

 

 

 

 

illustrated below 200 times.

Room Temperature

 

 

 

 

Time (min.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-55D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

30

5

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

q Solder Amount

 

[Solder Amount]

 

 

 

 

 

 

Alumina substrates are typically designed for reflow

 

 

 

 

 

 

 

 

 

 

 

 

 

Glass Epoxy

 

soldering.

 

Substrate

 

Alumina

 

 

 

 

 

 

 

or Paper Phenol

Glass epoxy or paper phenol substrates are typically

 

 

 

 

 

 

 

 

 

 

 

 

T0.7T 0.5T

 

 

used for flow soldering.

SolderAmount

q

 

 

 

 

1.6T1.3T T

Paper phenol

(Thickness: 1.64mm)

e

 

 

 

 

w Material

 

 

 

 

 

 

 

 

 

 

Alumina

(Thickness: 0.64mm)

 

w

 

 

 

 

 

 

 

Glass epoxy

(Thickness: 1.64mm)

 

 

 

 

 

 

 

 

 

 

 

Solder to be used

 

6Z4 Eutectic solder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

e Land Dimension

[Land Dimension]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Land Pattern

 

 

 

 

1.5

 

 

 

 

Alumina

Ag/Pd=72/28

 

 

 

 

 

 

 

 

Substrate

Thickness: 10 to 12 m

 

 

 

1.5

1.2

1.5

 

Glass Epoxy

 

 

 

 

 

 

 

 

 

Substrate

Cu

 

 

 

 

 

(in mm)

 

 

 

 

 

 

 

 

 

 

 

Thickness: 35

 

 

 

 

 

 

 

Paper Phenol

m

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Substrate

 

 

 

 

 

 

 

 

 

 

Continued on the following page.

93

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Reference Data

Continued from the preceding page.

(2) Test Samples

GRM21 5C/R7/F5 Characteristics T=0.6mm

(3) Acceptance Criteria

Products are determined to be defective if the change in capacitance has exceeded the values specified in Table 3.

Table 3

Characteristics

 

 

 

Change in Capacitance

 

 

 

 

 

 

 

 

 

 

 

5C

Within T2.5% or T0.25pF, whichever is greater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R7

Within T7.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F5

Within T20%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(4) Results

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alumina Substrate (Thickness 0.64mm)

 

 

GRM21 5C (T=0.6)

 

 

 

 

 

 

GRM21 R7 (T=0.6)

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

e

60

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

e

 

 

20

 

 

 

 

 

 

 

 

w

 

 

0

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

qw

 

 

 

 

 

 

 

 

 

 

q

 

 

0

50

100

150

200

 

 

0

50

100

150

200

 

 

 

 

 

 

 

Number of Cycles

 

 

 

 

 

 

 

Number of Cycles

 

 

GRM21 F5 (T=0.6)

 

 

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

e

60

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

w

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

q

 

 

0

50

100

150

200

 

 

 

 

 

 

 

 

Number of Cycles

13

GRM21 5C (T=0.6)

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

e

qw

 

 

 

 

 

 

 

 

 

 

 

 

0

50

100

150

200

 

 

 

 

 

 

 

 

Number of Cycles

Glass Epoxy Substrate (Thickness 1.6mm)

GRM21 R7 (T=0.6)

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

e

 

 

0

 

 

 

 

 

 

 

 

qw

 

 

0

50

100

150

200

 

 

 

 

 

 

 

 

Number of Cycles

Accumulated Per-

GRM21 F5 (T=0.6)

100

 

 

 

 

 

 

 

 

 

(%)

80

 

 

 

 

 

 

 

 

 

Defective

60

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

cent

20

 

 

 

 

 

 

 

 

e

0

 

 

 

 

 

 

 

 

qw

 

0

50

100

150

200

 

 

 

 

 

 

 

Number of Cycles

Paper Phenol Substrate (Thickness 1.6mm)

GRM21 5C (T=0.6)

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

qwe

 

 

0

50

100

150

200

 

 

 

 

 

 

 

 

Number of Cycles

GRM21 R7 (T=0.6)

 

100

 

 

 

 

 

 

 

 

 

AccumulatedPer-

Defectivecent(%)

80

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

e

qw

 

 

 

 

 

 

 

 

 

 

 

 

0

50

100

150

200

 

 

 

 

 

 

 

 

Number of Cycles

 

 

GRM21 F5 (T=0.6)

 

 

 

100

 

 

 

 

 

Accumulated Per-

cent Defective (%)

80

 

 

 

 

 

60

 

 

 

 

 

40

 

 

 

 

 

20

 

 

 

 

 

0

 

 

 

e

qw

 

 

 

 

 

 

 

 

 

 

 

 

0

50

100

150

200

 

 

 

 

 

Number of Cycles

Continued on the following page.

94

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Continued from the preceding page.

4. Board Bending Strength for Board Material

(1) Test Method

Solder the chip to the test board. Then bend the board using the method illustrated below, to measure capacitance.

 

Capacitor

45

45

Supporting

Base

1.0

1.2

1.65

 

 

 

 

40

 

 

 

 

 

4.0

1.6

 

 

100

 

ST§•±`: Copper Foil (0.035mm´®ßZWVthick)

: Solder Resist

(2) Test Samples

GRM21 5C/R7/F5 Characteristics T=0.6mm typical

(3) Acceptance Criteria

Products should be determined to be defective if the change in capacitance has exceeded the values specified in Table 4.

Table 4

Characteristics

Change in Capacitance

5C

Within T5% or T0.5pF, whichever is greater

R7

Within T12.5%

F5

Within T20%

(4) Results

 

GRM21 5C (T=0.6)

 

 

100

 

 

Paper Phenol

 

 

 

 

(%)

80

 

 

,QRSUVY]^¢£§¶ß™ÆØ

 

 

 

 

 

Rate

60

Glass Epoxy

 

 

 

 

 

Survival

40

 

 

 

20

 

 

 

 

0

 

 

 

 

 

 

 

 

 

0

2

4

WXZ[\®©´¨

8

 

6

Flexure (mm)

 

GRM21 F5 (T=0.6)

 

 

 

100

 

 

 

 

(%)

80

 

 

Paper Phenol

 

 

 

 

 

 

 

 

 

 

Rate

60

 

 

 

 

 

 

 

 

 

Survival

40

 

 

 

 

20

Glass Epoxy

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0

2

4

6

8

Flexure (mm)

Reference Data

20

50

Pressurizing

 

 

 

Speed : 1.0mm/sec.

 

 

 

 

 

Pressurize

R230

Note : Material of the pressurizing jig and

the supporting base must be hardened steel (Hardness : HB183 to 255 or carbide Hardness

: HRA90 min.)

Flexure

Capacitance Meter

Solder Amount

Up to Chip

Thickness

(in mm)

13

 

GRM21 R7 (T=0.6)

 

 

 

100

 

 

 

 

 

 

80

 

 

 

Paper Phenol

(%)

 

 

 

 

 

 

 

 

 

 

 

Rate

60

 

 

 

 

 

 

 

 

 

 

 

Survival

40

 

 

 

 

 

20

Glass Epoxy

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

0

2

 

4

6

8

 

 

 

 

TWXZ[\`•®©´¨±,QRSUVY]^¢£§¶ß™ÆØ

 

 

 

 

 

 

 

 

 

 

Flexure (mm)

 

 

Continued on the following page.

95

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Reference Data

Continued from the preceding page.

5. Break Strength

(1) Test Method

Place the chip on a steel plate as illustrated on the right. Increase load applied to a point near the center of the test sample.

(2) Test Samples

GRM21 5C/R7/F5 Characteristics

GRM31 5C/R7/F5 Characteristics

(3) Acceptance Criteria

Define the load that has caused the chip to break or crack, as the bending force.

 

(4) Explanation

 

 

 

 

 

 

 

 

 

 

 

 

 

Break strength, P, is proportionate to the square of the

 

thickness of the ceramic element and is expressed as a

 

curve of secondary degree.

 

 

 

 

 

 

 

 

 

The formula is:

 

 

 

 

 

 

 

 

 

 

 

 

 

P=

2γ WT2

 

(N)

 

 

 

 

 

 

 

 

 

3L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W: Width of ceramic element

(mm)

 

 

 

 

 

 

T: Thickness of element

(mm)

 

 

 

 

 

 

L: Distance between fulcrums

(mm)

 

 

 

 

 

 

γ: Bending stress

 

 

 

 

(N/mm2)

 

 

 

 

 

(5) Results

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

GRM21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(N)

120

 

 

 

 

 

 

5C

 

R7

 

F5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Strength

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-break

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bending

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.4

 

0.8

 

1.2

1.6

 

 

 

0

 

 

 

 

 

 

 

 

 

 

Thickness of Ceramic Element (mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6. Thermal Shock

(1) Test method

After applying flux (an ethanol solution of 25% rosin), dip the chip in a solder bath (6Z4 eutectic solder) in accordance with the following

conditions:

(2) Test samples

GRM21 5C/R7/F5 Characteristics T=0.6mm typical

(3) Acceptance criteria

Visually inspect the test sample with a 60-power optical microscope. Chips exhibiting breaks or cracks should be determined to be defective.

Storage

 

P Pressurizing

Loading Jig End

Amplifier

speed : 2.5mm/sec.

φ1.0mm

scope

 

 

Load cell

 

 

 

Sample

 

 

 

Steel plate

P0.5mm

W

γ

 

 

 

 

 

 

 

 

 

Chip Size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

W 5C

R7

F5

 

 

 

 

 

 

 

 

T

 

 

Charac-

Charac-

Charac-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

teristics

teristics

teristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

GRM21

1.5

1.2

300

180

160

 

 

 

 

 

 

 

 

 

GRM31

2.7

1.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(in mm)

GRM31

(N)

140

 

 

 

 

 

 

 

 

 

 

 

 

120

 

 

 

 

 

5C

 

 

 

 

 

Strength

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R7

 

F5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

break-

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

Bending

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.4

0.8

 

 

 

1.2

1.6

 

0

 

 

 

Thickness of Ceramic Element (mm)

 

 

 

 

 

 

Chip Capacitor

Temperature

 

 

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

Dipping Speed : 25mm/sec.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Solder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T

 

Natural

 

 

 

 

 

 

Solder Bath

 

 

 

 

 

 

Cooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 sec.

Time

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Continued on the following page.

96

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Continued from the preceding page.

(4) Results

7. Solder Heat Resistance

(1) Test Method

qReflow soldering:

Apply about 300 m of solder paste over the alumina substrate. After reflow soldering, remove the chip and check for leaching that may have occurred on the

outer electrode.

wFlow soldering:

After dipping the test sample with a pair of tweezers in wave solder (eutectic solder), check for leaching that may have occurred on the outer electrode.

(2)Test samples

GRM21: For flow/reflow soldering T=0.6mm

(3) Acceptance criteria

The starting time of leaching should be defined as the time when the outer electrode has lost 25% of the total edge length of A-B-C-D as illustrated:

(4) Results

Reflow Soldering

D)

280

 

 

 

 

 

 

 

 

(

270

 

 

 

 

 

 

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

260

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Soldering

230

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

210

 

 

 

 

 

 

 

 

 

0

60

120

180

240

Leaching Starting Time (sec.)

Dip Soldering

D)

280

 

 

 

 

 

 

 

 

 

 

 

 

(

270

 

 

 

 

 

 

 

 

 

 

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

260

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Soldering

230

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

210

 

 

 

 

 

 

 

 

 

 

 

 

 

0

10

20

30

40

50

60

Leaching Starting Time (sec.)

Reference Data

(%)

100

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

Cracks

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of

 

 

 

 

 

 

 

 

 

 

F5

Incidence

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

R7

 

 

 

 

 

 

 

 

 

 

5C

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

240

280

 

320

360

 

 

 

Temperature Differential

T (D)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

eDip soldering:

After dipping the test sample with a pair of tweezers in static solder (eutectic solder), check for leaching that

may have occurred on the outer electrode.

r Flux to be used: An ethanol solution of 25% rosin.

A

B

13

 

 

D

C

 

 

Outer Electrode

Flow Soldering

D)

280

 

 

 

 

 

 

 

 

 

 

 

 

(

270

 

 

 

 

 

 

 

 

 

 

 

 

Temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

260

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Soldering

230

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

210

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

10

20

30

40

50

60

Leaching Starting Time (sec.)

Continued on the following page.

97

!

Note

• This PDF catalogeaise•P downloadedadr

rating andfrom!theCAUTIONwebsite(oforMurataorage,s Manufacturingating,ope

rating,co., ltdsoldTherefore,ring,.

mounit’singspecificationsnd handling)areinsubjecthis catalochangeto to preventor oursmproductsking and/orin it mayburning,be discontinuedtc.

without advance notice. Please check with our

C02E.pdf

 

sales

or

 

.

 

 

 

 

!Note

 

 

 

 

 

 

 

 

 

representativess• Th catalogproductnlyhas engineerscaltyp

spbeforecificatorderingons because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

 

 

• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

07.2.6

Reference Data

Continued from the preceding page.

8.Thermal Shock when Making Corrections with a Soldering Iron

(1) Test Method

Apply a soldering iron meeting the conditions below to the soldered joint of a chip that has been soldered to a paper phenol board, while supplying wire solder. (Note: the soldering iron tip should not directly touch the ceramic element of the chip.)

(2) Test Samples

GRM21 5C/R7/F5 Characteristics T=0.6mm

(3) Acceptance Criteria for Defects

Observe the appearance of the test sample with a 60-power optical microscope. Those units displaying any breaks or cracks are determined to be defective.

(4) Results

 

 

 

GRM21 5C (T=0.6)

 

 

 

 

 

 

(%)

100

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

Cracksof

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incidence

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

240

280

320

 

360

 

 

 

 

Soldering Iron Tip Temperature (D)

 

 

13

 

 

GRM21 F5 (T=0.6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(%)

100

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

Cracksof

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incidence

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

240

280

320

 

360

 

 

 

 

Soldering Iron Tip Temperature (D)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wire Solder

Soldering lron

Mounting Solder

 

 

Duration of

 

Touching :

 

Approx. 3 sec.

Paper Phenol Substrate

Soldering Iron

Tip diameter

Ceramic heater 20W

φ3mm

GRM21 R7 (T=0.6)

(%)

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

Cracksof

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incidence

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

240

280

320

360

Soldering Iron Tip Temperature (D)

98

Соседние файлы в папке Резистори, конденсатори, індуктивності