1F1G-1F7G
Fast Recovery Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
N.1.
10
N.1.
t
rr
+0.5A
D.U.T.
(+)
50VDC
(APPROX)
(-)
1
N.1.
( - )
0
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE 1)
( + )
-0.25A
-1.0A
1cm
NOTE
S:1.RISETIM =7ns M INP T IM E
E
AX. U P DANCE
=1M .22pF
2.RISETIM =10ns M SOURC IM E
E
AX.
E P DANCE
=5O
SE TIM BASEFOR 50/100 ns /cm
T E
FIG.2 --TYPICAL FORWARD
INSTANTANEOUS FORWARD CURRENT
AMPERES
CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
FIG.3 --TYPICAL FORWARD
CHARACTERISTICS
100
10
4
2
1.0
0.4
0.2
0.1
0.06
0.04
0.02
0.01
0.6 0.8
1.0 1.2
1.4 1.6 1.8
2.0
T
J
=25
Pulse Width=300
µ
S
1.0
.8
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
.6
.4
.2
0
0
50
100
150
175
AMBIENT TEMPERATURE,
FIG.4--PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
25
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
FIG.5---TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,pF
10
16
14
12
10
2
0
1
5
T
J
=125
8.3ms Single Half
Sine-Wave
1
0
4
2
1
.1
TJ=25
f=1MHz
5
0
1
2
4
10
20
40
100
.2
.4
1.0 2
4
10 20
40
100
NUMBER OF CYCLES AT 60 Hz
REVERSE VOLTAGE, VOLTS
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mail:lge@luguang.cn
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