HER301 – HER308

2 of 3

© 2002 Won-Top Electronics

0.01

0.1

1.0

10

100

0.6

1.0

1.4

1.8

T = 25 C

j

°

Pulse width = 300 s

2% duty cycle

µ

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics

F

HER301 - HER304

HER306 - HER308

HER305

10

100

200

1

10

100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Peak Forward Surge Current

8.3ms single half

sine-wave

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

t

rr

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

HER306 - HER308

0

1

2

3

4

025

50

75

100

125

150

175

T , AMBIENT TEMPERATURE ( C)

Fig. 1 Forward Current Derating Curve

A

°

Single phase half wave

Resistive or Inductive load

HER301 - HER305