SRA1020 Thru SRA1080
Features
- Low forward voltage drop
- High current capability
- High reliability
- High surge current capability
- Glass passivated structure
Mechanical Data
- Case: Molded plastic TO-220AC
- Epoxy: UL 94V-0 rate flame retardant
- Solderable per MIL-STD-202,method 208
guaranteed
- Polarity: As marked on the body
- Mounting position: Any
- Weight: 2.24gram
Schottky Barrier Rectifier
Schottky Barrier Rectifier
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COMCHIP
COMCHIP
MDS0312010A
Page 1
Voltage Range: 20 to 60 V
Current: 10.0 Amp
TO- 220AC
Dimensions in inches and (millimeters)
PIN 1
PIN 2
CASE
NOTES : (1) Thermal Resistance junction to Case.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
o
C
ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Type Number
SRA
1020
SRA
1030
SRA
1040
SRA
1060
SRA
1080
Units
Maximum Recurrent Peak Reverse Voltage
20
30
40
60
80
V
Maximum RMS Voltage
14
21
28
42
56
V
Maximum DC Blocking Voltage
20
30
40
60
80
V
Maximum Average Forward Rectified Current
@T
C
=100
o
C
10.0
A
Peak Forward Surge Current, 8.3ms single
Half sine-wave superimposed on rated load
(JEDEC method)
250
A
Maximum Instantaneous Forward Voltage
@10.0A
0.65
0.75
V
Maximum DC Reverse Current @T
J
=25
o
C
At Rated DC Blocking Voltage @T
J
=125
o
C
1.0
50
mA
mA
Typical Thermal Resistance (Note 1)
2.5
o
C
/W
Typical junction Capacitance (Note 2)
500
pf
Operating junction Temperature Range T
J
-55 to +125
o
C
Storage Temperature Range T
STG
-55 to +150
o
C
R
JC
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COMCHIP
COMCHIP
MDS0312010A
Page 2
Ratings and Characteristic Curves SRA1020 thru SRA1080 (TA = 25C unless otherwise noted)
Schottky Barrier Rectifier
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
AVERAGE
FORWARD
RECTIFIED
CURRENT,
AMPERES
10
2
IINSTANTANEOUS
FORWARD
CURRENT,
AMPERES
0.1
10
100
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.1
0
50
100
150
PULSE WIDTH=300uS
1% DUTY CYCLE
CASE TEMPERATURE,
o
C
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
60 Hz Resistive or
Inductive load
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
PEAK
FORWARD
SURGE
CURRENT,
AMPERES
NUMBER OF CYCLES AT 60Hz
Pulse Width 8.3ms
Single Half-Sire-Wave
(JEDEC Method)
0
50
100
200
150
1
10
100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
INSTANTANEOUS
REVERSE
CURRENT,
MICROAMPERES
0.01
0
1.0
10
100
T
J
=125
o
C
T
J
=25
o
C
20
40
60
80
120
140
100
FIG.5 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
1
100
JUNCTION
CAPACITANCE,
pF
10
100
500
T
J
=25
o
C
4
6
8
250
1.0
0.1
1000
1000
SRA1020-SRA1040
SRA1060-SRA1080
T
J
=75
o
C
T
J
= 25
o
C
300
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