Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
SRA1020 Thru SRA1080
Voltage Range: 20 to 60 V
Current: 10.0 Amp
TO- 220AC
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
Dimensions in inches and (millimeters)
PIN 1
PIN 2
CASE
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
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
@T
C
=100
o
C
Peak Forward Surge Current, 8.3ms single
Half sine-wave superimposed on rated load
(JEDEC method)
Maximum Instantaneous Forward Voltage
@10.0A
Maximum DC Reverse Current @T
J
=25
C
At Rated DC Blocking Voltage @T
J
=125
C
Typical Thermal Resistance
(Note 1)
R
Typical junction Capacitance (Note 2)
Operating junction Temperature Range T
J
Storage Temperature Range T
STG
NOTES :(1)
Thermal Resistance junction to Case.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts DC.
JC
o
o
SRA
1020
20
14
20
SRA
1030
30
21
30
SRA
1040
40
28
40
10.0
SRA
1060
60
42
60
SRA
1080
80
56
80
Units
V
V
V
A
250
A
0.65
1.0
50
2.5
500
-55 to +125
-55 to +150
0.75
V
mA
mA
o
C
/W
pf
o
o
C
C
MDS0312010A
Page 1
Schottky Barrier Rectifier
COMCHIP
www.comchiptech.com
Ratings and Characteristic Curves
SRA1020 thru SRA1080 (TA = 25°C unless otherwise noted)
FIG.1 - FORWARD CURRENT DERATING CURVE
10
300
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
PEAK FORWARD SURGE CURRENT,
AMPERES
8
250
200
150
100
50
0
Pulse Width 8.3ms
Single Half-Sire-Wave
(JEDEC Method)
6
4
2
60 Hz Resistive or
Inductive load
0
50
100
o
150
1
10
NUMBER OF CYCLES AT 60Hz
100
CASE TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
100
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
T
J
=125 C
o
SRA1020-SRA1040
10
10
T
J
=75 C
o
1.0
SRA1060-SRA1080
1.0
T
J
=25 C
o
0.1
T
J
=25
C
o
0.1
PULSE WIDTH=300uS
1% DUTY CYCLE
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.5 - TYPICAL JUNCTION CAPACITANCE
1000
JUNCTION CAPACITANCE, pF
T
J
= 25 C
o
1000
100
1
10
100
500
REVERSE VOLTAGE, VOLTS
MDS0312010A
Page 2
