SMD Type

www.kexin.com.cn

3

Diodes

+0.5A

0

-0.25

-1.0

1cm

Set Time Base for 20/100ns/cm

25Vdc

1Ω

50Ω

10Ω

Oscilloscope

Note 1

Pulse

Generator

Note 2

Notes:

1. Rise Time = 7ns max.

Input impedance = 1 megohm, 22pF

2. Rise Time = 10ns max.

Source impedance = 50 ohms

3. Resistors are non-inductive

Figure 6

Reverse Recovery Time Characteristic And Test Circuit Diagram

1

100

4

0

5

10

15

8

Figure 4

Peak Forward Surge Current

Peak Forward Surge Current - Amperesversus

Number Of Cycles At 60Hz - Cycles

Amps

Cycles

2

6

10 20

60 80

40

20

25

30

.01

1

10

10

20

40

100

200

60

Figure 5

Peak Forward Surge Current

Peak Forward Surge Current - Amperes versus

Pulse Duration - Milliseconds (mS)

Amps

mS

.02

.06 .1

.2

.6

2

6

400

600

1000

■

Typical Characterisitics

Ultra Fast Recovery Diodes

US1AF ~ US1MF