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BA157

1 AMP FAST RECOVERY SILICON RECTIFIERS

Invac 

1 AMP FAST RECOVERY SILICON RECTIFIERS

BA157 THRU BA159

TECHNICAL SPECIFICATION

FEATURES

Fast recovery times for high efficiency

Low cost construction utilizing void - free

moulded plastic technique

Plastic package has Underwriters Laboratories

Flammability Classification 94V-0

High surge current capability

Low leakage

High temperature soldering capability

250°C/10 seconds/9.5mm (.375in.) lead length at

2.3kg (5lb) tension

Easily cleaned with Freon, Alcohol, Chlorothene

and other similar solvents

MECHANICAL DATA

Case

Terminals

Polarity

Mounting Position

Weight

: JEDEC DO-41, moulded plastic.

: Plated axial leads, solderable

per MIL-STD-202, Method 208.

: Colour band denotes cathode end.

: Any

: 0.3 grams (0.012 ounce)

VOLTAGE

400 to 1000 Volts

CURRENT

1.0 Amp

DIMENSIONS - millimeters (inches)

DO-41

25.4 (1.0)

min.

5.2 (.205)

4.1 (.160)

2.7 (.107)

2.0 (.080)

Cathode Band

25.4 (1.0)

min.

.86 (.034)

.71 (.028)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%.

Symbols

Maximum Recurrent Peak Reverse Voltage

Maximum RMS Voltage

Maximum DC Blocking Voltage

Maximum Average Forward Rectified Current

9.5mm (.375in.) Lead Length at TA = 75°C

Peak Forward Surge Current, 8.3 ms single half

sine - wave superimposed on rated load

Maximum Instantaneous Forward Voltage at 1.0A

Maximum Reverse Current at Rated

DC Blocking Voltage

TA = 25°C

TA = 100°C

VRRM

VRMS

VDC

IF(AV)

IFSM

VF

IR

Maximum Reverse Recovery Time (see Note 3)

trr

Typical Junction Capacitance (see Note 1)

Typical Thermal Resistance (see Note 2)

CJ

RTHja

Operating Temperature Range

Storage Temperature Range

TJ

TSTG

BA157

400

280

400

150

Notes :

1.

2.

3.

Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts

Thermal Resistance from Junction to Ambient

Test Conditions : IF = 0.5A, IR = 1.0A recovery to 0.25A

BA158

600

420

600

1.0

30

1.2

5.0

100

250

15

50

- 50 to + 175

- 50 to + 175

BA159

1000

700

1000

500

Units

V

V

V

A

A

V

µA

µA

nS

pF

°C/W

°C

°C

Reformatted by Anglia 9851

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