1N4942(Old_V) 查看數據表（PDF） - Micro Commercial Components

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1N4942
(Rev.:Old_V)

1 Amp Fast Recovery Rectifier 200 to 1000 Volts

Micro Commercial Components 

1N4942 thru 1N4948

Figure 4

Typical Reverse Characteristics

100

60

40

20

10

6

4 TA=125°C

2

µAmps 1

.6

.4 TA=75°C

.2

.1

.06

.04 TA=25°C

.02

.01

20 40 60 80 100 120 140

Volts

Instantaneous Reverse Leakage Current - MicroAmperesversus

Percent Of Rated Peak Reverse Voltage - Volts

Figure 5

Non-Repetitive Peak Forward Surge Current

30

25

20

15

Amps

10

5

0

12

4 6 8 10 20 40 60 80 100

Cycles

Peak Forward Surge Current - Amperesversus

Number Of Cycles At 60Hz - Cycles

Figure 6

Reverse Recovery Time Characteristic And Test Circuit Diagram

50Ω

10Ω

trr

+0.5A

25Vdc

1Ω

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

Pulse

Generator

Note 2

Oscilloscope

Note 1

0

-0.25

-1.0

1cm

Set Time Base for 20/100ns/cm

www.mccsemi.com

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