RATING AND CHARACTERISTIC CURVES ( 1N4933 THRU 1N4937 )
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
FIG. 2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT, (A)
FORWARD SURGE CURRENT
50
8.3ms Single Half Sine-Wave
(JEDED Method)
1.0
.8
.6
.4
.2
0
0
25
50
75
100 125 150 175
AMBIENT TEMPERATURE, ( )
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
40
30
20
10
0
1
2
4 6 8 10 20 40 6080100
NUMBER OF CYCLES AT 60Hz
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
TJ = 25
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
200
JUNCTION CAPACITANCE, (pF)
100
60
40
20
10
TJ = 25
INSTANTANEOUS FORWARD CURRENT, (A)
1.0
6
4
2
1
.1
.2
.4
1.0 2 4
10 20 40 100
REVERSE VOLTAGE, ( V )
TIME CHARACTERISTIC
8
1
2
3.8uH/1.4
3
30
50W
NON-INDUCTIVE
.1
Pulse Width=300uS
1% Duty Cycle
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
115Va
60Hz
10K
2W
7
6
UNIT
UNDER TEST
5
4
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
R2
1
10W
NON-
INDUCTIVE
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
trr
IFM 1.0
i(t) di/dt = 50A/uS
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
0
Zout
MAX
DC to 2kHz
% CARBON CORE
IRM (REC)
FOR RECTIFIER
SET TIME BASE FOR
50/100 ns/cm
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
R2-TEN-1W 10
PRE AMP P6000 PROBE OR EQUIVALENT
IN PARALLEL
R1-ADJUSTED FOR 1.4 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
10
TA = 25
INDUCTIVE = 3.8uH
0
1
1
/
2
RECTRON
RECTRON [ RECTRON SEMICONDUCTOR ]
