RATING CHARACTERISTIC CURVES ( 1N4933GPT THRU 1N4937GPT )
trr
8
1
2 3.8uH/1.4
3
AVERAGE FORWARD CURRENT, ( A )
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
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
1.50
1.25
1.00
.75
.50
.25
0
0
25 50 75 100 125 150 175
O
C.P. CLARE
HPG 1002
5
4
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
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
A-TEKTRONIX 545A. K PLUG IN
R2 - TEN - 1 W 10 +0.5% CARBON CORE
PRE AMP P6000 PROBE OR EQUIVALENT IN PARALLEL
R1 - ADJUSTED FOR 1.4 BETWEEN
o
T
A
= 25 +10 C FOR RECTIFIER
PONT 2 OF RELAY AND RECTIFIER
-0
INDUCTIVE = 3.8uH
AMBIENT TEMPERATURE ( C )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS REVERSE CURRENT, (uA)
INSTANTANEOUS FORWARD CURRENT, ( A )
10
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
10
4.0
T
J
=100
o
C
Pulse Width = 300uS
1% Duty Cycle
1.0
1.0
.4
0.1
.1
.04
T
J
=25
o
C
T
J
=25 C
o
.01
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, ( A )
35
30
25
20
15
10
5
0
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60 Hz
JUNCTION CAPACITANCE, ( pF )
8.3ms Single Half Sine-Wave
(JEDEC Method)
0
0
.2
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE, ( V )
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE, ( V )
T
J
=25 C
o
CHENMKO [ CHENMKO ENTERPRISE CO. LTD. ]
