FEATURES
● Metal-Semiconductor junction with gard ring
● Epitaxial construction
● Low forward voltage drop
● High current capability
● The plastic material carries UL recognition 94V-0
● For use in low vlotage, high frequency inverters,
MECHANICAL DATA
●Case: JEDEC DO-27 molded plastic
●Polarity: Color band denotes cathode
●Weight: 0.04ounces , 1.1grams
●Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS SYMBOL SR320 SR330 SR340 SR350 SR360 SR380 SR3100 UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 80 100 V
Maximum RMS Voltage VRMS 14 21 28 35 42 56 70 V
Maximum DC Blocking Voltage VDC 20 30 40 50 60 80 100 V
Maximum Average Forward
0.375″（9.5mm) Lead Lengths ( See Fig.1)
Peak Forward Surage Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load (JEDEC Method)
Maximum Forward Voltage at 3.0A DC VF0.45 0.55 0.6 V
Maximum DC Reverse Current @TJ=25℃
at Rated DC Bolcking Voltage @TJ=100℃
Typical Junction Capacitance (Note1) CJpF
Typical Thermal Resistance (Note2) RθJA ℃/W
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
3.0
80
0.85
1.0
0.7
SCHOTTKY BARRIER RECTIFIERS REVERSE VOLTAGE - 20 to 60 Volts
FORWARD CURRENT - 3.0 Amperes
free wheeling, and polarity protection applications
NOTES: 1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
IFSM
20
250
-55 to +150
-55 to +150
10
SR320 thru SR3100
~ 161 ~
AI(AV)
A
IRmA
2.Thermal resistance junction to lead,
20
DO- 27
DIA.
DIA.
210
.375(9.5)
.335(8.5)
.052(1.3)
.048(1.2)
.220(5.6)
.197(5.0)
1.0(25.4)
1.0(25.4)
MI
MI
RATING AND CHARACTERTIC CURVES
SR320 thru SR3100
~ 162 ~
FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT,
(AMPERES
）
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
80
60
40
20
0100
5020101 2 5
FIG. 1 – FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE (℃)
AVERAGE FORWARD CURRENT
AMPERES
1.0
025
2.0
3.0
50 75 100 125 150 175
0.5
1.5
2.5
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.375″（9.5mm) LEAD LENGTHS
SR350-SR3100
SR320-SR340
CAPACITANCE, (pF)
FIG.3 – TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE ,VOLTS
0.1
1000
100
10 110 100
SR320-SR340
SR350-SR3100
TJ = 25°C f = 1 MHz
1.0
0.1
10
0.1 0.3 0.9
0.5 1.1 1.70 0.7 1.3 1.5
20
INSTANTANEOUS FORWARD CURRENT,
(A)
FIG.3-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
SR350-SS360
SR330
SR340
SR380-SS3100
SR320
INSTANTANEOUS REVERSE CURRENT(mA)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FIG.2-TYPICAL REVER CHARACTERISTICS
40 60 80 100 120 14020
0.01
0.1
1.0
0.0010
10
TJ=100
℃
TJ=75℃
TJ=25℃
