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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.
0.205(5.2) 0.160(4.1)
1.0(25.4) MIN.
1.0(25.4) MIN.
MECHANICAL DATA
Case : JEDEC DO-204AL molded plastic Terminals : Plated axial leads , solderable per MIL-STD-750, Method 2026 Polarity : Color band denotes cathode end Mounting Position : Any Weight : 0.012 ounes , 0.3 gram
0.034(0.86) 0.028(0.71) DIA.
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature SYMBOLS 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 TL=75 C
o o
1N4933 50 35 50
1N4934
100 70 100
1N4935
200 140 200
1N4936
400 280 400
1N4937
600 420 600
UNITS Volts Volts Volts Amps
VRRM VRMS VDC I(AV)
1.0
Peak forward surge current 8.3ms single half sine-wave IFSM superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 1.0 A Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Operating junction and storage temperature range
o
30
Amps
VF
1.2 5.0
Volts
TA=25 C TA=100 C
o
IR 100 trr CJ TJ,TSTG 200 15 -65 to +150
uA
nS pF
o
C
NOTES : (1) Test condition : IF = 1.0A, VR = 30 V (2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
REV. : 0
Zowie Technology Corporation
RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
FIG.1 - FORWARD CURRENT DERATING CURVE 1.2 AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 1.0 0.8 0.6 0.4 0.2
0.375" (9.5mm) LEAD LENGTH 60Hz RESISTIVE OR INDUCTIVE LOAD
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 50 PEAK FORWARD SURGE CURRENT, AMPERES
8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
40
30
20
10
0 0 25 50 75 100 125
o
0 150 175 1 10 NUMBER OF CYCLES AT 60Hz 100 AMBIENT TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 10.00 IINSTANTANEOUS FORWARD CURRENT, AMPERES JUNCTION CAPACITANCE, pF
FIG.5 - TYPICAL JUNCTION CAPACITANCE
200 100 60 40
20 10 6 4 2 1 .1 .2 .4 1.0 2 4
PULSE WIDTH=300uS 1% DUTY CYCLE
TJ = 25 C
o
1.00
TJ = 25 C
o
0.10
10
20
40
100
REVERSE VOLTAGE, VOLTS 0.01 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
8 1 2 3 38uH/1.4
115 Va 10 K 60 HZ 2 W
7 6
30 50W NON-INDUCTIVE UNIT UNDER TEST 1.0Adc FROM CONSTANT VOLTAGE SUPPLY R2 RIPPLE=3mVrms MAX. C1 1 1.0uF 10W 300V NONINDUCTIVE Zout 11/2 MAX. DC to 2kHz
i ( t ) di/dt = 50A/us
IFM1.0
C.P. CLARE HPG 1002
5
4
30 Vdc CONSTANT VOLTAGE SUPPLY MINIMIZE ALL LEAD LENGTHS
1 AMP SLO-BLO FUSE C1 1.0 uF 300 V
0
IRM(REV)
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
TA = 25
R2 - TEN - 1 W 10 % CARBON CORE o +10 C FOR RECTIFIER -0
REV. : 0
Zowie Technology Corporation

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