UF3A – UF3K

2 of 4

© 2006 Won-Top Electronics

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 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

(+)

(+)

(-)

(-)

0.01

0.1

1.0

10

100

1000

0

20

40

60

80

100

120

140

PERCENT OF RATED PEAK REVERSE VOLTAGE (%)

Fig. 4 Typical Reverse Characteristics

T = 100 C

j

°

T = 25 C

j

°

0.01

0.1

1.0

10

0

0.4

0.8

V , INSTANTANEOUS FORWARD VOLTAGE (V)

Fig. 2 Typical Forward Characteristics

F

T - 25 C

j

°

Pulse Width = 300 s

µ

1.2

1.6

2.0

UF3A - UF3D

UF3G

UF3J - UF3K

0

25

50

75

100

1

10

100

NUMBER OF CYCLES AT 60Hz

Fig. 3 Forward Surge Current Derating Curve

Single Half Sine-Wave

(JEDEC Method)

T = 150 C

j

°

0

1.5

3.0

25

50

75

100

125

150

T , LEAD TEMPERATURE

( C)

Fig. 1 Forward Current Derating Curve

L

°