BL
FEATURES
GALAXY ELECTRICAL
SR1020CT
- -
- SR1060CT
REVERSE VOLTAGE: 20 - 60 V
FORWARD CURRENT: 10 A
DUAL SCHOTTKY RECTIFIERS
Metal-semiconductor junction with guard ring
Epitaxial construction
For use in low voltage,high frequency inverters free
xxxx
wheeling,and polarity protection applications
Low forward voltage drop,low switching losses
High surge capability
The plastic material carries U/L recognition 94V-0
TO-220AB
MECHANICAL DATA
Case:JEDEC TO--220AB,molded plastic
Terminals: Plated leads, solderable per MIL-STD-111
111
750, Method 2026
Polarity: As marked
Weight: 0.08ounce, 2.24 grams
Mounting position: Any
½½
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,50 Hz,resistive or inductive load. For capacitive load,derate by 20%.
SR
1020CT
Maximum recurrent peak reverse voltage
Working peak reverse voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
v
(See FIG.1)
Peak forw ard surge current
8.3
ms single half
c
sine-w ave superimposed on rated load
c
(JEDEC Method)
@T
J
=125
Maximum instantaneous forw ard voltage per leg
c
c
@ 5A (Note1)
Maximum reverse current
at rated DC blocking voltage
@T
A
=25
@T
A
=100
SR
1030CT
30
21
30
SR
1040CT
40
28
40
10.0
SR
1050CT
50
35
50
SR
1060CT
60
42
60
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
20
14
20
I
FSM
175.0
A
V
F
I
R
T
J
T
STG
0.65
0.5
0.75
V
mA
50.0
-55 --- + 150
-55 --- + 150
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Operating junction temperature range
Storage temperature range
Note: 1. Pulse test:300us pulse width,1% duty cy cle.
Document Number 0267001
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 --FORWARD CURRENT DERATING CURVE
INSTANTANEOUS REVERSE CURRENT
MILLIAMPERES
AVERAGE FORWARD CURRENT
SR1020CT - - - SR1060CT
FIG.2 -- TYPICAL REVERSE CHARACTERISTICS
PER LEG
10
SR1020CT-SR1040CT
SR1050CT-SR1060CT
12
10
T
J
=125
℃
1
AMPERES
Resistive or inductive load
8
6
4
2
0
0
.1
T
J
=75
℃
SR1020CT-SR1040CT
SR1050CT-SR1060CT
.01
T
J
=25
℃
.001
0
20
40
60
80
100
50
100
150
CASE TEMPERATURE,
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
INSTANTANEOUS FORWARD CURRENT
50
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG.4 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
200
175
150
125
100
75
50
25
0
1
5
10
50
100
T
J
=T
J
MAX.
8.3ms Single Half Sine-Wave
(JEDEC Method)
10 T
J
=125
Pulse width = 300
µ
s
1% Duty Cycle
AMPERES
T
J
=25
1
.1
SR1020CT-SR1040CT
SR1050CT-SR1060CT
.01
0
.1 .2
.3 .4
.5 .6
.7 .8
.9 1.0 1.1 1.2
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG.5 -- TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE, /W
NUMBER OF CYCLE AT 60Hz
FIG.6 -- TYPICAL TRANSIENT THERMAL IMPEDANCE
JUNCTION CAPACITANCE, pF
100
4000
T
J
=25
1000
10
1
SR1020CT-SR1040CT
SR1050CT-SR1060CT
100
0.1
1
10
100
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE, VOLTS
PULSE DURATION, Sec
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Document Number 0267001
BL
GALAXY ELECTRICAL
2.
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