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1N4948 参数 Datasheet PDF下载

1N4948图片预览
型号: 1N4948
PDF下载: 下载PDF文件 查看货源
内容描述: 1安培快恢复整流二极管200〜 1000伏 [1 Amp Fast Recovery Rectifier 200 to 1000 Volts]
分类和应用: 整流二极管
文件页数/大小: 3 页 / 46 K
品牌: CHENYI [ SHANGHAI LUNSURE ELECTRONIC TECH ]
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1N4942 thru 1N4948
Figure 4
Typical Reverse Characteristics
100
60
40
20
10
6
4
2
µAmps
1
.6
.4
.2
.1
.06
.04
.02
.01
20
40
60
80
Volts
Instantaneous Reverse Leakage Current - MicroAmperes
versus
Percent Of Rated Peak Reverse Voltage - Volts
Figure 6
Reverse Recovery Time Characteristic And Test Circuit Diagram
50Ω
10Ω
t
rr
+0.5A
100
120
140
T
A
=25°C
T
A
=75°C
T
A
=125°C
Amps
30
25
20
15
10
5
0
1
4
6
8 10
Cycles
Peak Forward Surge Current - Amperes
versus
Number Of Cycles At 60Hz - Cycles
20
40
60 80 100
Figure 5
Non-Repetitive Peak Forward Surge Current
2
0
25Vdc
Pulse
Generator
Note 2
1Ω
Oscilloscope
Note 1
-0.25
-1.0
1cm
Set Time Base for 20/100ns/cm
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
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