3.0 AMP SCHOTTKY BARRIER RECTIFIERS
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
FEATURES
MECHANICAL DATA
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 Ta=100 C
Typical Junction Capacitance (Note1)
NOTES:
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.
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
* 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
SR320 SR3100
THRU
Typical Thermal Resistance R JA (Note 2)θ
VOLTAGE RANGE
20 to 100 Volts
CURRENT
3.0 Amperes
DO-27
Dimensions in inches and (millimeters)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.375(9.5)
.285(7.2)
.052(1.3)
.048(1.2)
DIA.
.220(5.6)
.197(5.0)
DIA.
A
A
V
mA
mA
pF
3.0
80
3.0
30
20
-65 +125
-65 +150
-65 +150
0.55 0.70
250
SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNITS
20 30 40 50 60 80 100 V
20 30 40 50 60 80 100 V
14 21 28 35 42 56 70 V
0.70 0.85
Operating
Storage Temperature Range TSTG
Temperature Range TJ C
C
C/W
30
0.1
1.0
.01
10
50
RATING AND CHARACTERISTIC CURVES (SR320 THRU SR3100)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.4-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
0.5
1.0
1.5
2.0
2.5
3.0
700
600
500
400
300
200
100
0 .01 .05 .1 .5 1 5 10 50 100
.1 .3 .5 .7 .9 1.1 1.3 1.5
3.0
.1
1.0
10
100
FIG.5 - TYPICAL REVERSE
CHARACTERISTICS
REVERSE LEAKAGE CURRENT, (mA)
0 20 40 60 80 100 120 140
.01
Tj=75 C
SR320~SR340
SR350~SR3100
SR350~SR360
SR380~SR3100
SR320~SR340
Tj=25 C
Tj=25 C
AMBIENT TEMPERATURE,( C)
0
0 20 40 60 80 100 120 140 160 180 200
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
0
40
20
60
100
80
NUMBER OF CYCLES AT 60Hz
1 10 5 50 100
Tj=25 C 8.3ms Single Half
Sine Wave
JEDEC method
31
