3.0 Amp Schottky Barrier Rectifiers
COMCHIP
www.comchiptech.com
SR320 Thru SR3100
Voltage: 20 - 100 Volts
Current: 3.0 Amps
Features
Low forward voltage drop
High current capability
High reliability
High surge current capability
Epitaxial construction
DO-201AD
.220(5.6)
.197(5.0)
DIA.
1.0(25.4)
MIN.
.375(9.5)
.285(7.2)
Mechanical data
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Axial leads, solderable per MIL-STD-
202, method 208 guranteed
Polarity: Color band denotes cathode end
Weight: 1.10 grams
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characterics
Rating 25 C ambient temperature uniess otherwies 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
See Fig. 1
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Typical Junction Capacitance (Note1)
Operating Temperature Range T
J
Storage Temperature Range T
STG
NOTES:
SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNITS
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
80
56
80
100
70
100
V
V
V
3.0
80
0.55
0.70
0.85
A
A
V
mA
mA
pF
C/W
C
C
3.0
30
250
20
-65
+125
-65
+150
-65
+150
Ta=100 C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Ambient Vertical PC Board Mounting 0.5"(12.7mm) Lead Length.
MDS0305002A
Page 1
3.0 Amp Schottky Barrier Rectifiers
Rating and Characteristic Curves (SR320 Thru SR3100)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
COMCHIP
www.comchiptech.com
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
3.0
2.5
50
INSTANTANEOUS FORWARD CURRENT,(A)
2.0
SR
1.5
1.0
0.5
0
0
20
40
60
80
10
3.0
1.0
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
SR
SR
32
0~
35
SR
0~
SR
38
SR
0~
34
36
SR
0
0
31
00
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
100
3
SR
~S
20
R3
40
S
0~
35
1
R3
00
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
80
.01
.1
.3
.5
.7
.9
1.1
1.3
1.5
FORWARD VOLT
AGE,(V)
60
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
40
20
FIG.5 - TYPICAL REVERSE
CHARACTERISTICS
1
5
10
50
100
0
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL JUNCTION CAPACITANCE
700
600
500
400
300
200
100
0
REVERSE LEAKAGE CURRENT, (mA)
10
Tj=125 C
JUNCTION CAPACITANCE,(pF)
Tj=100 C
1.0
Tj=75 C
.1
Tj=50 C
Tj=25 C
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLT
AGE,(%)
MDS0305002A
Page 2
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