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1N4933 Datasheet, PDF (2/2 Pages) Motorola, Inc – FAST RECOVERY RECTIFIERS 50-600 VOLTS 1.0 AMPERE
FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
50Ω
NO INDUCTIVE
10Ω
NO INDUCTIVE
(+)
25 Vdc
(approx)
(-)
D.U.T.
1Ω
NON-
INDUCTIVE
(-)
PULSE
GENERATOR
( NOTE 2 )
OSCILLOSCOPE (+)
( NOTE 1 )
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
Fig. 2-MAXIMUM CURRENT DERATING CURVE
1.0
0.8
0.6
0.4
CAPACITIVE
LOAD
0.2
I(pk)
5
= 10
I(AV) 20
0
RESISTIVE OR
INDUCTIVE LOAD
0.375” (9.5mm)
LEAD LENGTH
π I(pk)
=
I(AV)
0 20 40 60 80 100 120 140 160 180 200
TA-AMBIENT TEMPERATURE (OC)
FIG. 3-TYPICAL JUNCTION CAPACITANCE
20
Tj=25oC
10
Trr
+0.5A
0
-0.25A
-1.0A
1cm
SET TIME BASE
FOR 10/20 ns/cm
Fig. 5-MAXIMUM FORWARD SURGE
NUMBER OF CYCLES
30
TA=75oC
8.3ms SINGLE HALF
SINE-WAVE JEDEC METHOD
20
10
0
1
1.0 CYCLE
10
100
NUMBER OF CYCLES AT 60 HZ
f = 1 MHz
1 Vsig = 50 mVp-p
1
10
100
REVERSE VOLTAGE, VOLTS
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
10
1.0
TJ=100oC
0.1
TJ=25oC
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE
1N4933 THRU 1N4937
G. 6-TYPICAL INSTANTANEOUS
10
1.0
0.1
Tj=25oC
PULSE WIDTH =300us
1% DUTY CYCLE
.01
.4 .6 .8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
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