RATINGS AND CHARACTERISTIC CURVES DL4933 THRU DL4937
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
N 1.
10
N 1.
t
rr
+0.5A
D.U.T.
0
(+)
25VDC
(approx)
(-)
1
NONIN-
DUCTIVE
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE 1)
-0.25A
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE
TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 80ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
20
10
TJ = 25
Pulse Width = 300us
1% Duty Cycle
FIG.3 -- FORWARD DERATING CURVE
z
AVERAGE FORWARD CURRENT
AMPERES
1.0
.8
.6
.4
.2
0
0
25
50
75
100 125
150 175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
1.0
AMPERES
.1
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
LEAD TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
FIG.5 -- PEAK FORWARD SURGE CURRENT
JUNCTION CAPACITANCE,pF
200
100
60
40
20
10
6
4
2
1
.1
.2 .4
1.0 2
4
10 20 40
100
TJ = 25
50
40
30
8.3ms Single Half
Sine-Wave
AMPERES
20
10
0
1
5
10
50
100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
MDD ELECTRONIC
CHENDA [ Chendahang Electronics Co., Ltd ]
