3R12-3R20
High Voltage Rectifiers
VOLTAGE RANGE: 1200 --- 1600 V
CURRENT: 3.0 A
Features
Low cost
Diffused junction
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol and
similar solvents
DO - 27
Mechanical Data
Case: JEDEC DO--27,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041ounces, 1.15 grams
Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%.
3R12
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
3R14
1400
980
1400
3R16
1600
1120
1600
3.0
3R18
1800
1260
1800
3R20
2000
1400
2000
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
1200
840
1200
Peak forw ard surge current
10ms single half-sine-w ave
superimposed on rated load
T
J
=125
I
FSM
150.0
A
Maximum instantaneous forw ard voltage
@ 3.0A
Maximum reverse current
@T
A
=25
V
F
I
R
T
J
T
STG
1.8
10.0
100.0
-55 ---- + 150
-55 ---- + 150
V
A
at rated DC blocking voltage @T
A
=100
Operating junction temperature range
Storage temperature range
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3R12-3R20
High Voltage Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- FORWARD DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT
AMPERES
FIG.2 -- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
AMPERES
100
3.0
10
1.0
Single Phase
Half W ave 60H
Z
Resistive or
Inductive Load
1.0
0.1
0
25
50
75
100
125
150
175
200
T
J
=25
Pulse W idth=300
µ
s
.01
1.0 1.2 1.4
1.6 1.8
2.0 2.2
2.4
AMBIENT TEMPERATURE,
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.3 -- PEAK FORWARD SURGE CURRENT
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
AMPERES
100
150
T
J
=125
8.3ms Single Half
Sine - Wave
100
CAPACITANCE,pF
10
50
T
J
=25
0
1
10
100
0
1
4
10
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,VOLTS
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mail:lge@luguang.cn
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