SR320
THRU
SR3100
3.0 AMP SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 100 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
3.0 Amperes
DO-27
.220(5.6)
.197(5.0)
DIA.
1.0(25.4)
MIN.
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
* Mounting position: Any
* Weight: 1.10 grams
.375(9.5)
.285(7.2)
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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)
Typical Thermal Resistance R
θ
JA (Note 2)
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
3.0
80
0.55
3.0
30
250
20
-65
+125
-65
+150
-65
+150
0.70
0.85
60
42
60
80
56
80
100
70
100
V
V
V
A
A
V
mA
mA
pF
C/W
C
C
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.
30
RATING AND CHARACTERISTIC CURVES (SR320 THRU SR3100)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
3.0
2.5
50
INSTANTANEOUS FORWARD CURRENT,(A)
2.0
3
SR
SR
32
0~
SR
~S
R
50
SR
3
SR
38
0~
SR
36
31
00
0
1.5
1.0
0.5
0
10
3.0
1.0
0
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
34
0
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
100
SR
32
0~
SR
34
0
50
~S
R3
10
0
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 VOLTAGE,(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
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
Tj=75 C
.1
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 VOLTAGE,(%)
31
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