RATINGS AND CHARACTERISTIC CURVES 1N4942 THRU 1N4948
FIG.1 - FORWARD CURRENT DERATING CURVE
1.2
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
o
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
50
PEAK FORWARD SURGE CURRENT,
AMPERES
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
40
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
30
20
10
0
150
175
1
10
NUMBER OF CYCLES AT 60Hz
100
AMBIENT TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10.00
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE LEAKAGE
CURRENT, MICROAMPERES
20
10
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
PULSE WIDTH=300uS
1% DUTY CYCLE
T
J
=125 C
o
1.00
1.0
T
J
=75 C
o
0.10
0.1
T
J
=25 C
o
0.01
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
200
JUNCTION CAPACITANCE, pF
T
J
= 25 C
50
NONINDUCTIVE
10
NONINDUCTIVE
o
FIG.6 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE, VOLTS
(+)
25 Vdc
( approx )
(-)
D.U.T.
+0.5A
(-)
PULSE
GENERATOR
( NOTE 2 )
trr
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
( NOTE 1 )
(+)
-1.0A
NOTES : 1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
SET TIME BASE
FOR 50/100 ns/cm
REV. : 0
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