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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 25oC 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 @TC=100oC 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 @TJ =25 C At Rated DC Blocking Voltage @TJ =125 C Typical Thermal Resistance (Note 1) R Typical junction Capacitance (Note 2) Operating junction Temperature Range TJ Storage Temperature Range TSTG
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 = 25C 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
TJ=125 C
o
SRA1020-SRA1040
10
10
TJ=75 C
o
1.0
SRA1060-SRA1080
1.0
TJ=25 C
o
0.1
TJ=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
TJ = 25 C
o
1000
100 1 10 100 500 REVERSE VOLTAGE, VOLTS
MDS0312010A
Page 2

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