1N4937 [ZOWIE]
FAST RECOVERY RECTIFIER; 快速恢复整流
| 型号： | 1N4937 |
| 厂家： | 
ZOWIE TECHNOLOGY CORPORATION |
| 描述： | FAST RECOVERY RECTIFIER |
| 文件： | 总2页 (文件大小：54K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N4933 THRU 1N4937
FAST RECOVERY RECTIFIER
Reverse Voltage - 50 to 600 Volts
Forward Current - 1.0 Ampere
DO-204AL
FEATURES
* The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
* Low cost
* Low leakage
* Low forward voltage drop
* High current capability
0.107(2.7)
0.080(2.0)
DIA.
MECHANICAL DATA
Case : JEDEC DO-204AL molded plastic
Terminals : Plated axial leads , solderable per MIL-STD-750,
Method 2026
0.034(0.86)
0.028(0.71)
DIA.
Polarity : Color band denotes cathode end
Mounting Position : Any
Weight : 0.012 ounes , 0.3 gram
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature
SYMBOLS
1N4933
1N4934
1N4935
1N4936
1N4937
UNITS
unless otherwise specified.
Volts
Volts
Volts
Maximum repetitive peak reverse voltage
Maximum RMS voltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
400
280
400
600
420
600
100
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TL=75oC
I(AV)
1.0
Amps
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
VF
30
Amps
Volts
uA
Maximum instantaneous forward voltage at 1.0 A
1.2
TA=25oC
Maximum DC reverse current
5.0
IR
TA=100oC
at rated DC blocking voltage
100
Maximum reverse recovery time (NOTE 1)
trr
200
nS
pF
oC
Typical junction capacitance (NOTE 2)
CJ
15
Operating junction and storage temperature range
TJ,TSTG
-65 to +150
NOTES : (1) Test condition : IF = 1.0A, VR = 30 V
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
Zowie Technology Corporation
REV. : 0
RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
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
60Hz
RESISTIVE OR
INDUCTIVE LOAD
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0.6
0.4
0.2
0.375" (9.5mm) LEAD LENGTH
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.5 - TYPICAL JUNCTION CAPACITANCE
200
100
10.00
1.00
TJ = 25oC
60
40
PULSE WIDTH=300uS
1% DUTY CYCLE
20
10
6
4
TJ = 25oC
0.10
0.01
2
1
.1
.2
.4
1.0
2
4
10
20 40
100
REVERSE VOLTAGE, VOLTS
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.5 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
trr
1
8
i ( t ) di/dt = 50A/us
30
115 Va 10 K
60 H 2 W
2
38uH/1.4
IFM1.0
0
50W
7
3
Z
NON-INDUCTIVE
UNIT
6
UNDER TEST
1.0Adc FROM
4
5
C.P. CLARE
HPG 1002
CONSTANT
1 AMP
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX.
SLO-BLO
FUSE
R2
C 1
1
1.0uF
300V
10W
C 1
30 Vdc
NON-
1.0 uF
300 V
CONSTANT VOLTAGE
SUPPLY
INDUCTIVE
MINIMIZE ALL LEAD LENGTHS
1
Zout 1
/
MAX.
2
IRM(REV)
DC to 2kHz
SET TIME BASE FOR
50/100 nS/cm
OR EQUIVALENT IN PARALLEL
R1 - ADJUSTED FOR 1.4 BETWEEN
PONT 2 OF RELAY AND RECTIFIER
INDUCTIVE = 3.8uH
R2 - TEN - 1 W 10 % CARBON CORE
+10oC
TA = 25
FOR RECTIFIER
-0
Zowie Technology Corporation
REV. : 0
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