LESHAN RADIO COMPANY, LTD.

15A–2/2

BA157–BA159

RATING & CHARACTERISTIC CURVES OF FAST RECOVERY DIODES

FIG. 1 – FORWARD CURRENT

DERATING CURVE

AMBIENT TEMPER ATURE, (ºC)

8.3ms Single Half Sine-Wave

(JEDEC Method)

1

10

100

20

15

10

5

0

.4

.6

.8

1.0

1.2

1.4

1.6

1.8

20

10

1.0

0.1

.01

Pulse Width=300

µs

1% Duty Cycle

.1

.2

.4

1.0

2

4

10

20

40

100

100

60

40

20

10

6

4

2

1

f = 1.0MHz

FIG. 5 – TYPICAL JUNCTION CAPACITANCE

FIG. 2 – MAXINUM NON-REPETITIVE

FOWARD SURGE CURRENT

REVERSE VOLTAGE,(V)

NUMBER OF CYCLES AT 60Hz

FIG. 3 – TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

INSTANTANEOUS FORWARD VOLTAGE,(V)

0

25

50

75

100

125

150

175

Resistive or

Inductive Load

0.375”(9.5mm)

Lead Length

1.0

0.8

0.6

0.4

0.2

0

0

20

40

60

80

100

10

1.0

.1

0.01

0.001

PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)

FIG. 4 – TYPICAL REVERSE CHARACTERISTICS

0.01

0.1

1

10

100

100

60

40

20

10

6

4

2

1

FIG. 6 – TYPICAL TRANSIENT THERMAL IMPEDANCE

t, PULSE DURATION. (sec)