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DISCRETE SEMICONDUCTORS

lfpage

M3D053

BB112

AM variable capacitance diode

Product specification

1996 May 03

Supersedes data of April 1992

File under Discrete Semiconductors, SC01

Philips Semiconductors

Product specification

 

 

 

 

AM variable capacitance diode

BB112

 

 

 

 

FEATURES

Matched to 3%

Leaded plastic package

C8.5: 23 pF; ratio: 21.

APPLICATIONS

Electronic tuning in AM radio applications

VCO.

DESCRIPTION

The BB112 is a variable capacitance diode, fabricated in planar technology, and encapsulated in the SOD69 (TO-92 variant) leaded plastic package.

ELECTRICAL CHARACTERISTICS

Tj = 25 °C; unless otherwise specified.

handbook, halfpage

 

 

 

 

 

k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a

MAM222

 

 

 

 

 

 

 

 

 

Fig.1 Simplified outline (SOD69; TO-92 variant) and symbol.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

 

 

 

 

 

VR

continuous reverse voltage

12

V

IF

continuous forward current

50

mA

Tstg

storage temperature

55

+125

°C

Tj

operating junction temperature

55

+85

°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

 

 

 

 

 

 

 

IR

reverse current

VR = 12 V; see Fig.3

50

nA

 

 

VR = 12 V; Tj = 85 °C; see Fig.3

300

nA

rs

diode series resistance

f = 500 kHz; note 1

1.5

Ω

Cd

diode capacitance

VR = 1 V; f = 1 MHz; see Figs 2 and 4

440

540

pF

 

 

VR = 8.5 V; f = 1 MHz; see Figs 2 and 4

17

29

pF

Cd (1V)

capacitance ratio

f = 1 MHz

18

 

 

 

 

 

 

 

---------------------

 

 

 

 

 

 

Cd (8.5V)

 

 

 

 

 

 

Cd

capacitance matching

VR = 1 to 9 V; note 2

3

%

----------

 

 

 

 

 

 

Cd

 

 

 

 

 

 

Notes

 

 

 

 

 

 

1.VR = 1 V.

2.For a set of 3 diodes.

1996 May 03

2

Philips Semiconductors

Product specification

 

 

 

 

AM variable capacitance diode

BB112

 

 

 

 

GRAPHICAL DATA

 

 

 

 

 

750

 

MGC808

 

 

 

 

 

 

handbook, full pagewidth

Cd (pF)

500

250

0

 

 

 

 

1

1

10

10

 

 

VR

(V)

f = 1 MHz.

 

 

 

 

 

Fig.2

Diode capacitance as a function of reverse voltage; typical values.

MGC809

103 handbook, halfpage

IR (nA)

102

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

20

40

60

80

100

 

 

 

 

 

 

Tj (oC)

Fig.3 Reverse current as a function of junction temperature; maximum values.

MLC815

10 3 handbook, halfpage

TC d (K1)

10 4

10 5

 

 

 

 

 

 

 

 

 

 

102

10 1

1

10

VR (V)

 

 

 

 

 

 

Fig.4 Temperature coefficient of diode capacitance as a function of reverse voltage; typical values.

1996 May 03

3

Philips Semiconductors

Product specification

 

 

AM variable capacitance diode

BB112

 

 

PACKAGE OUTLINE

 

 

 

 

0.40

 

 

 

min

 

4.2 max

 

 

 

1.6

5.2 max

12.7 min

 

 

 

0.49

4.8

k

 

max

 

 

2.54

 

 

max

 

 

a

 

 

 

 

 

 

 

 

MBC879

 

0.67

dimensions within 2.5 max

 

 

max

 

 

uncontrolled

 

 

 

 

Dimensions in mm.

Fig.5 SOD69 (TO-92 variant).

DEFINITIONS

Data sheet status

Objective specification

This data sheet contains target or goal specifications for product development.

 

 

Preliminary specification

This data sheet contains preliminary data; supplementary data may be published later.

 

 

Product specification

This data sheet contains final product specifications.

 

 

Limiting values

Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.

1996 May 03

4

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