1N4947 [MCC]
1 Amp Fast Recovery Rectifier 200 to 1000 Volts; 1安培快恢复整流二极管200〜 1000伏
| 型号： | 1N4947 |
| 厂家： | 
Micro Commercial Components |
| 描述： | 1 Amp Fast Recovery Rectifier 200 to 1000 Volts |
| 文件： | 总3页 (文件大小：83K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N4942
THRU
M C C
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21201 Itasca Street Chatsworth
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$ꢉ%ꢒꢅ ꢅ ꢅ ꢓꢔꢍꢔ ꢅ!ꢕꢍ"#ꢌꢎꢌ
1N4948
Features
·
·
·
·
Low Leakage Current
1 Amp Fast Recovery
Rectifier
Metalurgically Bonded Construction
Low Cost
Fast Switching For High Efficiency
200 to 1000 Volts
Maximum Ratings
DO-41
·
·
·
Operating Temperature: -55°C to +150°C
Storage Temperature: -55°C to +150°C
Maximum Thermal Resistance; 50°C/W Junction To Ambient
Microsemi
Catalog
Number
Device
Marking
Maximum
Recurrent
Peak
Reverse
Voltage
200V
400V
600V
800V
1000V
Maximum Maximum
RMS
DC
Voltage
Blocking
Voltage
D
1N4942
1N4944
1N4946
1N4947
1N4948
---
---
---
---
---
140V
280V
420V
560V
700V
200V
400V
600V
800V
1000V
A
Cathode
Mark
B
D
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current
IF(AV)
1.0A
TA =55°C
Peak Forward Surge
Current
IFSM
25A
8.3ms, half sine
C
Maximum
Instantaneous
Forward Voltage
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
Maximum Reverse
Recovery Time
1N4942-4944
1N4946-4947
1N4948
VF
IR
1.3V
IFM = 1.0A;
TA = 25°C*
5.0mA
500mA
TJ = 25°C
TJ = 175°C
DIMENSIONS
INCHES
MIN
.166
.080
.028
MM
MIN
DIM
A
B
C
D
MAX
.205
.107
.034
---
MAX
5.20
2.70
.90
NOTE
4.10
2.00
.70
Trr
CJ
150ns
250ns
500ns
15pF
IF=0.5A,
1.000
25.40
---
IR=1.0A,
Irr=0.25A
Measured at
1.0MHz,
VR=4.0V
Typical Junction
Capacitance
*Pulse test: Pulse width 300 msec, Duty cycle 2%
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1N4942 thru 1N4948
Figure 1
Typical Forward Characteristics
20
Figure 2
Forward Derating Curve
10
6
1.2
1.0
.8
4
2
1
.6
.4
Amps
.6
.4
.2
Amps
.2
25°C
.1
.06
.04
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
50
75
100
125
150
175
0
°C
.02
.01
Average Forward Rectified Current - Amperesversus
Ambient Temperature -°C
.4
.6
1.4
.8
1.0
1.2
Volts
Instantaneous Forward Current - Amperesversus
Instantaneous Forward Voltage - Volts
Figure 3
Junction Capacitance
100
60
40
20
TJ=25°C
pF
10
6
4
2
1
400
1000
.1
.2
.4
1
2
10 20
200
4
40
100
Volts
Junction Capacitance - pFversus
Reverse Voltage - Volts
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1N4942 thru 1N4948
Figure 4
Typical Reverse Characteristics
Figure 5
100
60
Non-Repetitive Peak Forward Surge Current
30
25
40
20
20
15
10
10
6
Amps
TA=125°C
4
5
0
2
1
80
100
1
60
4
6
10 20
40
8
2
mAmps
.6
.4
Cycles
Peak Forward Surge Current - Amperesversus
Number Of Cycles At 60Hz - Cycles
TA=75°C
.2
.1
.06
.04
TA=25°C
.02
.01
20
40
60
80
140
100
120
Volts
Instantaneous Reverse Leakage Current - MicroAmperesversus
Percent Of Rated Peak Reverse Voltage - Volts
Figure 6
Reverse Recovery Time Characteristic And Test Circuit Diagram
50W
10W
trr
+0.5A
0
Pulse
Generator
Note 2
-0.25
25Vdc
Oscilloscope
Note 1
1W
-1.0
1cm
Notes:
1. Rise Time = 7ns max.
Set Time Base for 20/100ns/cm
Input impedance = 1 megohm, 22pF
2. Rise Time = 10ns max.
Source impedance = 50 ohms
3. Resistors are non-inductive
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