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1N4937 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part # 1N4937
Description  FAST RECOVERY RECTIFIER
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1N4937 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

  1N4937 Datasheet HTML 1Page - List of Unclassifed Manufacturers 1N4937 Datasheet HTML 2Page - List of Unclassifed Manufacturers  
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WEJ
ELECTRONIC
CO.,LTD
FEATURES
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Low cost construction
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260 C/10 seconds/0.375 (9.5mm)lead length
at 5 lbs (2,3kg) tension
Transfer molded plastic
UL94V-0 rate flame retardant
Color band denotes cathode end
Plated axial lead ,solderable per MIL-STD-202E
method 208C
Any
0.012 ounce,0.33 gram
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase,half wave,60Hz,resistive or inductive load.
For capacitive load derate current by 20%.
o
Case:
Epoxy:
Polarity:
Lead:
Mounting position:
Weight:
o
Fast switching for high efficency.
Maximum RMS Voltage
Maximum Average Forward Rectified Current
0.375
(9.5mm) lead length at T =75 C
A
o
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
at rated DC blocking voltage
T =25 C
T =100 C
A
o
A
o
Maximum Reverse Recovery Time(NOTE3)
T =25 C
j
o
Typical Junction Capacitance(NOTE1)
Typical Thermal Resistance(NOTE2)
Operating and Storage Temperature Range
NOTES:
1.Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts.
2.Thermal Resistance from Junction to Ambient at 0.375”(9.5mm) lead length,P.C.board mounted.
3.Reverse Recovery Test Conditions:I =1.0A,V =30V,di/dt=50A/ s,I =10% I
for measurement of t .
F
R
rr
RM
rr
SYMBOLS
UNITS
VRRM
VRMS
VDC
I(AV)
IFSM
VF
IR
IRM(REC)
CJ
T ,T
J
STG
-65 to +150
50
200
100
1.2
30
1.0
400
400
280
600
600
420
Amp
Amps
Volts
Amps
n
S
p
F
O C/W
O C
Dimensions in inches and (millimeters)
VOLTAGE RANGE
CURRENT
50 to 600 Volts
1.0 Ampere
15
Amps
2.0
5.0
Maximum Reverse Recovery Current(NOTE 3)
200
200
140
100
100
70
50
50
35
trr
Maximum Repetitive Peak Reverse Voltage
Maximum DC Blocking Voltage
.034(0.9)
.028(0.7)
DIA.
1.0(25.4)
MIN
.205(5.2)
.165(4.2)
.107(2.7)
.080(2.0)
DIA
DO-41
1.0(25.4)
MIN
IN4933 IN4934 IN4935 IN4936 IN4937
Volts
Volts
Volts
FAST RECOVERY RECTIFIER
R JA
1N4933-1N4937
Http:// www.wej.cn
E-mail:wej@yongerjia.com
WEJ ELECTRONIC CO.
RoHS


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