0

25

50

75

100

125

150

175

0

0.2

0.4

0.6

0.8

1.0

110

100

0

5

10

15

20

0.4

0.6

1.0

1.2

1.4 1.6

2.0

0.01

0.1

1

10

20

0.1

1

10

100

1

10

100

0.01

0.1

1

10

100

0.1

1

10

100

0.8

20

60

80

100

0.01

1

10

100

0.1

40

0

1.8

RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159D

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

f=1.0 MHz

Vsig=50mVp-p

REVERSE VOLTAGE, VOLTS

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

FIG. 1 - FORWARD CURRENT DERATING CURVE

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

AMBIENT TEMPERATURE,

°C

FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

PERCENT OF RATED PEAK REVERSE

VOLTAGE, %

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD

SURGE CURRENT

PULSE WIDTH=300

µs

1% DUTY CYCLE

FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE

t, PULSE DURATION, sec.

RESISTIVE OR

INDUCTIVE LOAD

°C

8.3ms SINGLE HALF

SINE-WAVE (JEDEC Method)

0.375" (9.5mm) LEAD LENGTH