1N4933-1N4937
Fast Recovery Rectifier
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
1.2
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
PEAK FORWARD SURGE
30
8.3ms Single Half Sine-Wave
(JEDEC Method) T
j
=T
j
max
CURRENT,(A)
(A)
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375
＂
(9.5mm) Lead Length
20
10
1 Cycle
150
175
0
AMBIENT TEMPERATURE,( C)
1
2
4
6
8
10
20
40
60 80100
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
10
20
100
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
10
T
j
=100 C
o
1.0
(uA)
1.0
(A)
T
j
=25 C
0.1
o
0.1
T
j
=25 C
Pulse Width=300us
1% Duty Cycle
o
0.01
0.7
0.9
1.1
1.3
1.4
INSTANTANEOUS FORWARD VOLTAGE,(V)
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
8
JUNCTION CAPACITANCE,(pF)
115 Va
60Hz
10K
2W
1
2
3
7
3.8uH/1.4
6
10
C.P. CLARE
HPG 1002
5
4
UNIT
UNDER TEST
1.AMP
SLO-BLO
FUSE
C1
1.0uF
300V
R2
1
10W
NON-
INDUCTIVE
30
50W
NON-INDUCTIVE
1.0Adc RROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
C1
1.0uF
300V
30 Vdc
CONSTANT VOLTAGE
+
SUPPLY
-
+
-
T
j
=25 C
f=1MHz
V
sig
=50mVp-p
1
o
MINIMIZE ALL LEAD LENGTHS
1
-
Zout 1
2
MAX
DC to 2kHz
A-TEKRONNIX 545A.K.PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
RI-ADJUSTED FOR 1.4 BETEEN
POINT 2 OF RELAY AND RECTIFIER
IFM
1.0
Trr
d
f
/d
t
=50A/us
I(t)
0.1
1.0
10
100
INDUCTIVE = 3.8uH
R2-TEN-1W 10 CARBON CORE
IN PARALLEL
TA=25
+10
-0
o
0
REVRESE VOLTAGE,(V)
C
FOR RECTIFIER
IRM(REC)
SET TIME BASE FOR
50/100ns/cm
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