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DISCRETE SEMICONDUCTORS

book, halfpage

M3D121

BAS45AL

Low-leakage diode

Product specification

1996 Mar 13

Supersedes data of June 1994

File under Discrete Semiconductors, SC01

Philips Semiconductors

Product specification

 

 

Low-leakage diode

BAS45AL

 

 

 

 

FEATURES

DESCRIPTION

Continuous reverse voltage: max. 125 V

Repetitive peak forward current: max. 625 mA

Low reverse current: max. 1 nA

Switching time: typ. 1.5 μs.

APPLICATION

Low leakage current applications.

LIMITING VALUES

Epitaxial medium-speed switching diode with a low leakage current in a small glass SOD80C SMD package.

handbook, 4 columns

k

a

 

 

MAM061

Fig.1 Simplified outline (SOD80C) and symbol.

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

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

 

 

 

 

 

 

VRRM

repetitive peak reverse voltage

 

125

V

VR

continuous reverse voltage

 

125

V

IF

continuous forward current

see Fig.2; note 1

250

mA

IFRM

repetitive peak forward current

 

625

mA

IFSM

non-repetitive peak forward current

square wave; Tj = 25 °C prior to surge;

 

 

 

 

 

see Fig.4

 

 

 

 

 

tp = 1 μs

4

A

 

 

tp = 1 ms

1

A

 

 

tp = 1 s

0.5

A

Ptot

total power dissipation

Tamb = 25 °C; note 1

400

mW

Tstg

storage temperature

 

65

+175

°C

Tj

junction temperature

 

175

°C

Note

1. Device mounted on a FR4 printed-circuit board.

1996 Mar 13

2

Philips Semiconductors

 

 

Product specification

 

 

 

 

 

 

 

Low-leakage diode

 

 

 

BAS45AL

 

 

 

 

 

 

 

ELECTRICAL CHARACTERISTICS

 

 

 

 

 

Tj = 25 °C unless otherwise specified.

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

PARAMETER

CONDITIONS

TYP.

 

MAX.

UNIT

 

 

 

 

 

 

 

VF

forward voltage

see Fig.3

 

 

 

 

 

 

IF = 1 mA

 

780

mV

 

 

IF = 10 mA

 

860

mV

 

 

IF = 100 mA

 

1000

mV

IR

reverse current

see Fig.5

 

 

 

 

 

 

VR = 125 V; Emax = 100 lx

 

1

nA

 

 

VR = 30 V; Tj = 125 °C; Emax = 100 lx

 

300

nA

 

 

VR = 125 V; Tj = 125 °C; Emax = 100 lx

 

500

nA

 

 

VR = 125 V; Tj = 150 °C; Emax = 100 lx

 

2

μA

Cd

diode capacitance

f = 1 MHz; VR = 0; see Fig.6

 

4

pF

trr

reverse recovery time

when switched from IF = 10 mA to

1.5

 

μs

 

 

IR = 10 mA; RL = 100 Ω;

 

 

 

 

 

 

measured at IR = 1 mA; see Fig.7

 

 

 

 

THERMAL CHARACTERISTICS

SYMBOL

PARAMETER

 

CONDITIONS

VALUE

UNIT

 

 

 

 

 

 

Rth j-tp

thermal resistance from junction to tie-point

 

 

300

K/W

Rth j-a

thermal resistance from junction to ambient

note 1

 

375

K/W

Note

1. Device mounted on a FR4 printed-circuit board.

1996 Mar 13

3

Philips Semiconductors

Product specification

 

 

Low-leakage diode

BAS45AL

 

 

GRAPHICAL DATA

 

 

 

 

 

 

 

 

 

300

 

 

 

MBG522

300

 

 

MBG523

 

 

 

 

 

 

 

 

handbook, halfpage

 

 

 

 

handbook, halfpage

 

 

 

 

IF

 

 

 

 

IF

 

 

 

 

(mA)

 

 

 

 

(mA)

 

 

 

 

 

 

 

 

 

 

(1)

(2)

(3)

 

200

 

 

 

 

200

 

 

 

 

100

 

 

 

 

100

 

 

 

 

0

 

o

 

 

0

 

 

 

 

0

100

C)

200

0

0.5

1.0

VF (V)

1.5

 

 

Tamb (

 

 

 

 

 

 

(1)

Tj = 150 °C; typical values.

 

(2)

Tj = 25

°C; typical values.

Device mounted on a FR4 printed-circuit board.

(3)

Tj = 25

°C; maximum values.

Fig.2 Maximum permissible continuous forward

Fig.3 Forward current as a function of forward

current as a function of ambient temperature.

 

voltage; typical values.

MBG704

102

IFSM

(A)

10

1

101

1

10

102

103

tp (μs)

104

 

 

 

 

 

Based on square wave currents; Tj = 25 °C prior to surge.

Fig.4 Maximum permissible non-repetitive peak forward current as a function of pulse duration.

1996 Mar 13

4

Philips Semiconductors

Product specification

 

 

Low-leakage diode

BAS45AL

 

 

10

4

 

 

MBD456

3

 

 

 

MBG524

 

 

 

 

 

 

 

 

handbook, halfpage

 

 

 

 

handbook, halfpage

 

 

 

 

I R

 

 

 

 

 

Cd

 

 

 

 

(nA)

 

 

 

 

 

(pF)

 

 

 

 

103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

max

 

 

2

 

 

 

 

102

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

typ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

1

 

 

 

 

 

 

 

 

 

10 1

 

 

 

 

0

 

 

 

 

 

0

50

100

T j (oC)

150

0

5

10

15

VR (V) 20

VR = 125 V.

 

 

 

 

f = 1 MHz; Tj = 25 °C.

 

 

 

Fig.5 Reverse current as a function of junction

Fig.6 Diode capacitance as a function of reverse

temperature.

voltage; typical values.

 

 

 

 

t r

t p

 

 

 

 

 

 

t

 

 

 

 

D.U.T.

10%

 

 

R

= 50 Ω

IF

 

I F

t rr

S

 

 

 

SAMPLING

 

t

 

 

 

 

OSCILLOSCOPE

 

 

 

 

 

 

 

V = VR

IF x R S

 

R i = 50 Ω

 

 

 

 

 

 

 

90%

(1)

 

 

 

 

VR

 

 

 

 

 

 

 

 

 

 

 

MGA881

 

 

input signal

output signal

Fig.7 Reverse recovery time test circuit and waveforms.

1996 Mar 13

5

Philips Semiconductors

Product specification

 

 

Low-leakage diode

BAS45AL

 

 

PACKAGE OUTLINE

 

handbook, full pagewidth

 

 

 

 

 

 

 

 

 

 

1.60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O 1.45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.3

 

 

0.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.7

 

 

 

 

 

MBA390 - 2

Dimensions in mm.

 

 

 

 

 

3.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The black marking band indicates the cathode.

 

 

 

 

 

 

 

 

 

Fig.8 SOD80C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 Mar 13

6

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