HER151 – HER158

2 of 4

© 2006 Won-Top Electronics

0

0.3

0.6

0.9

1.2

1.5

25

50

75

100

125

150 175

200

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Forward Current Derating Curve

A

°

Single phase half-wave

60 Hz resistive or inductive load

0.01

0.1

1.0

10

0.6

0.8

1.0

1.2

1.4

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics

F

T = 25 C

j

°

Pulse width = 300 s

µ

HER151 - HER154

HER156 - HER158

HER155

0

20

40

60

1

10

100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Peak Forward Surge Current

50V DC

Approx

50 NI (Non-inductive)

Ω

10 NI

Ω

1.0

NI

Ω

Oscilloscope

(Note 1)

Pulse

Generator

(Note 2)

Device

Under

Test

Set time base for 5/10ns/cm

+0.5A

0A

-0.25A

-1.0A

Notes:

1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.

2. Rise Time = 10ns max. Input Impedance = 50 .

Ω

Ω

Fig. 5 Reverse Recovery Time Characteristic and Test Circuit

(+)

(+)

(-)

(-)

1

10

100

1

10

100

V , REVERSE VOLTAGE (V)

Fig. 4 Typical Junction Capacitance

R

T = 25 C

f = 1.0MHz

j

°

HER151 - HER155

HER156 - HER158