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
T
J
=
25 C
o
1.00
T
J
=
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 H
Z
2 W
7
6
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
R2
C1
1
1.0uF
10W
300V
NON-
INDUCTIVE
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX.
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
Zout 11/2 MAX.
DC to 2kHz
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
R2 - TEN - 1 W 10 % CARBON CORE
o
+10 C
TA = 25
FOR RECTIFIER
-0
REV. : 0
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