PLASTIC RECTIFIER. 1N4937 Datasheet

1N4937 RECTIFIER. Datasheet pdf. Equivalent


Part 1N4937
Description FAST SWITCHING PLASTIC RECTIFIER
Feature 1N4933 THRU 1N4937 FAST SWITCHING PLASTIC RECTIFIER Reverse Voltage - 50 to 600 Volts DO-204AL Forw.
Manufacture General Semiconductor
Datasheet
Download 1N4937 Datasheet


MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document 1N4937 Datasheet
1N4933 THRU 1N4937 FAST SWITCHING PLASTIC RECTIFIER Reverse 1N4937 Datasheet
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1N4937
1N4933 THRU 1N4937
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage - 50 to 600 Volts Forward Current - 1.0 Ampere
DO-204AL
0.107 (2.7)
0.080 (2.0)
DIA.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
FEATURES
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
Construction utilizes void-free molded plastic technique
1.0 Ampere operation at TA=75°C with no thermal
runaway
High temperature soldering guaranteed:
250°C/10 seconds, 0.375” (9.5mm) lead length,
5 lbs. (2.3kg) tension
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
MECHANICAL DATA
Case: JEDEC DO-204AL molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.34 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
*Maximum repetitive peak reverse voltage
*Maximum RMS voltage
*Maximum DC blocking voltage
*Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=75°C
*Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method) at TA=75°C
*Maximum instantaneous forward voltage at 1.0A
*Maximum DC reverse current
at rated DC blocking voltage
TA=25°C
TA=100°C
*Maximum reverse recovery time (NOTE 1)
TJ=25°C
*Maximum reverse recovery current (NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
*Operating junction and storage temperature range
SYMBOLS
VRRM
VRMS
VDC
I(AV)
1N4933
50
35
50
1N4934
100
70
100
1N4935
200
145
200
1.0
1N4936
400
280
400
1N4937
600
420
600
UNITS
Volts
Volts
Volts
Amp
IFSM
VF
IR
trr
IRM
CJ
RΘJA
RΘJL
TJ, TSTG
30.0
1.2
5.0
100.0
200.0
2.0
12.0
55.0
25.0
-50 to +150
Amps
Volts
µA
ns
Amps
pF
°C/W
°C
NOTES:
(1) Reverse recovery test conditions: IF=1.0A, VR=30V, di/dt=50A/µs, and Irr=10% IRM for measurement of trr
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5mm) lead length, P.C.B. mounted
*JEDEC registered values
4/98



1N4937
RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
FIG.1 - FORWARD CURRENT DERATING
CURVE
1.0
I(pk)
I(AV)
=π
0.8
0.375” (9.5mm)
LEAD LENGTH
0.6
CAPACITIVE LOADS
I(pk) 5.0
0.4 I(AV) = 10
20
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
30
TA=75°C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
20
1.0 CYCLE
10
0.2
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, °C
0
1 10 100
NUMBER OF CYCLES AT 60 HZ
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
0.1
0.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
100
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
10
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
100
10 TJ=100°C
1
0.1 TJ=25°C
0.01
0
20 40 60 80
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
100
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
1
0.1 1 10 100
REVERSE VOLTAGE, VOLTS
0.1
0.01
0.1 1
10
t, PULSE DURATION, sec.
100







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