RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT(A)
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE (
℃)
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.2-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
50
8.3m SINGLE HALF SINE WAVE
(JEDEC Method)
PEAK FORWARD SURGE
CURRENT(AMPERES)
40
30
20
10
0
1
2
4
6
8 10
20
40
60
100
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL JUNCTION CAPACITANCE
FIG.4-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
60
40
20
10
6
4
2
1
0.1 0.2
0.4
1
2
4
10
20
40
100
T
J
=25℃
INSTANTANEOUS FORWARD CURRENT(AMPERES)
200
100
JUNCTION CAPACITANCE(pF)
20
10
3
1
0.3
0.1
T
J
=25℃
REVERSE VOLTAGE. (V)
0.03
0.01
0.4
0.6
0.8
Pulse Width=300mS
1% Duty Cycle
1.0
1.2
1.4
1.6
1.8
FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
1
8
2
3.8
m
H/1.4
W
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
R1
115Va
60Hz
10K
2W
3
7
30
W
50W
NON-INDUCTIVE
UNIT
UNDER TEST
Trr
Si(t) di/dt=50A/uS
6
5
C.PCLARE HPG 1002
4
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
IFM 1.0
30Vdc
CONSTANT VOLTAGE
SUPPLY
1APM
SLO.BLO
FUSE
C1
1.O
m
F
300V
R2
1
W
10W
NON-INDUCTIVE
C1
0
MINIMIZE ALL LEAD LENGTHS
A. TEKTRONIX 545A.K PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT R1-ADJUSTED FOR 1.4
W
BETWEEN POINT 2
OF RELAY AND RECTIFIER INDUCTIVE=3.8uH
+10℃
R2-TEN-1W 10
W
% CARBON CORE IN PARALLEL TA=25
FOR RECTIFIER
-0
Zout 11/2
W
MAX DC TO 2kHz
IRM (REC)
SET TIME BASE FOR 50/100 ns/cm
DAESAN [ DAESAN ELECTRONICS CORP. ]
