FAST RECOVER RECTIFIER
1N4942 THRU 1N4948
RATING AND CHRACTERISTIC CURVES 1N4942 THRU
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
1.2
AVERAGE FORWARD CURRENT,
(A)
30
PEAK FORWARD SURGE
1.0
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj=Tjmax
0.8
CURRENT, (A)
20
0.6
0.4
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
10
0.2
0
0
25
50
75
100
125
150
175
0
1
2
4
6
8
10
20
40
60 80 100
AMBIENT TEMPERATURE, (° C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
20
20
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
10
10
INSTANTANEOUS REVERSE CURRENT,
(mA)
T
j
=125° C
10
(A)
1.0
T
j
=75° C
0.1
0.1
Tj =25° C
Pulse Width=300us
1% Duty Cycle
T
j
=25° C
0.01
0
20
40
60
80
100
120
140
0.01
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE,(V)
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE REXOVERY TIME CHARACTERISTIC
100
CAPACITANCE,(pF)
+0.5A
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(-)
(+)
25 Vdc
（approx）
(-)
0
0.25A
D.U.T
10
PULSE
GENERATIOR
(NOTE 2)
1Ω
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
-1.0A
TJ=25° C F=1MHz
Vsig=50mVp-p
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF
2.Rise time=10ns max.Source Impedance=50 ohms
SET TIME BASE FOR
50 /100NS /cm
1
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
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