RATING AND CHARACTERISTIC CURVES (1N4933 THRU 1N4937)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
1.2
1.0
0.8
0.6
0.4
0.2
0
0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
10
3.0
1.0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
0.1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
30
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLT
AGE,(V)
24
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10K
2W
115Va
60Hz
C P CLARE
HPG1002
8
7
3
6
5
4
1 AMP
SLO-BLO
FUSE
30Vdc
CONSTANT VOLT
AGE
SUPPLY
C1
1.0mF
300V
1
2
R1
3
W
25W
18
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
12
30
W
/50W
NON-INDUCTIVE
UNIT
UNDER TEST
A
1.0Adc FROM
CONSTANT
VOLTAGE SUPPL
Y
RIPPLE=3mVrms MAX.
6
0
1
5
10
50
100
R2
1
W
/10W
NON-
INDUCTIVE
NUMBER OF CYCLES AT 60Hz
C1
1.0mF
300V
Zout 1
1
/
2
W
MAX.
DC To 2KHz
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1- ADJUSTED FOR 14 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE=3.8mH
FIG.5-TYPICAL JUNCTION CAPACITANCE
35
30
25
20
15
10
5
R2- TEN 1W 10
W
1% CARBON CORE
IN PARALLEL
TA= 25
+10
0
C FOR RECTIFIER
IFM 1.0
i(t)
di/dt=50A/mS
trr
0
IRM(REC) 2.0
1cm
SET TIME BASE FOR
50 / 100ns / cm
JUNCTION CAPACITANCE,(pF)
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
FORMOSA [ FORMOSA MS ]
