1N4947 [ZOWIE]
FAST RECOVERY RECTIFIER; 快速恢复整流![1N4947](http://pdffile.icpdf.com/pdf1/p00078/img/icpdf/1N4947_410918_icpdf.jpg)
型号: | 1N4947 |
厂家: | ![]() |
描述: | FAST RECOVERY RECTIFIER |
文件: | 总2页 (文件大小:51K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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1N4942 THRU 1N4948
FAST RECOVERY RECTIFIER
Reverse Voltage - 200 to 1000 Volts
Forward Current - 1.0 Ampere
DO-204AL
FEATURES
* High switching capability
* Low leakage
* Low forward voltage drop
* High current capability
* High surge current capability
0.107(2.7)
0.080(2.0)
DIA.
MECHANICAL DATA
Case : JEDEC DO-204AL molded plastic
Epoxy : UL 94V-O rate flame retardant
Lead : MIL-STD-202F method 208C guaranteed
Mounting Position : Any
0.034(0.86)
0.028(0.71)
DIA.
Weight : 0.33 gram
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature
SYMBOLS
1N4942
1N4944
1N4946
1N4947
1N4948
UNITS
unless otherwise specified.
Volts
Volts
Volts
Maximum repetitive peak reverse voltage
VRRM
VRMS
VDC
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
Maximum RMS voltage
Maximum DC blocking voltage
1000
Maximum average forward rectified current at TA=75oC
I(AV)
IFSM
VF
1.0
30
Amps
Amps
Volts
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0 A
1.3
Maximum full load reverse current, full cycle
average 0.375" (9.5mm) lead length at TL=55oC
IR(AV)
IR
100
uA
uA
Maximum DC reverse current
TA=25oC
5.0
15
at rated DC blocking voltage
Typical junction capacitance ( NOTE 1 )
CJ
trr
pF
nS
oC
Maximum reverse recovery time ( NOTE 2 )
Operating junction and storage temperature range
150
250
500
TJ,TSTG
-65 to +150
NOTES : (1) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(2) Test conditions : IF 0.5A, IR=1.0A, IRR=0.25A
Zowie Technology Corporation
REV. : 0
RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
1.2
1.0
0.8
50
40
30
20
10
0
Single Phase
Half Wave 60Hz
Resistive or
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
Inductive Load
0.6
0.4
0.2
0
1
10
100
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, oC
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
20
10
10.00
1.00
TJ=125oC
PULSE WIDTH=300uS
1% DUTY CYCLE
1.0
0.1
TJ=75oC
0.10
0.01
TJ=25oC
0.01
0
20
40
60
80
100
120
140
0.4
0.6
0.8
1.0
1.2
1.4
1.6
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.5 - TYPICAL JUNCTION CAPACITANCE
FIG.6 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
200
100
TJ = 25oC
50
10
60
40
trr
NONINDUCTIVE
NONINDUCTIVE
+0.5A
( - )
PULSE
GENERATOR
( NOTE 2 )
D.U.T.
20
10
0
( + )
25 Vdc
( approx )
( - )
-0.25A
1
OSCILLOSCOPE
( NOTE 1 )
( + )
NON-
INDUCTIVE
6
4
-1.0A
NOTES : 1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
SET TIME BASE
FOR 50/100 ns/cm
2
1
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
.1
.2
.4
1.0
2
4
10
20 40
100
REVERSE VOLTAGE, VOLTS
Zowie Technology Corporation
REV. : 0
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