3.0Amp Schottky Barrier Rectifiers
Features
SR320~SR3200
DO-27
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Metal silicon junction,majority carrier conduction
Low power loss,high efficiency
High forward surge current capability
High temperature soldering guaranteed:
250°C/10 seconds,0.375"(9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.220 (5.6)
0.197(5.0)
DIA.
0.375(9.5)
0.285(7.2)
Mechanical Data
Case
: JEDEC DO-27 molded plastic body
Terminals
: Plated axial leads, solderable per MIL-STD-750, Method 2026
Polarity
: Color band denotes cathode end
Mounting Position:
Any
Weight
: 0.04 ounce, 1.10 grams
0.052 (1.3)
0.035(0.9)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,
for capacitive load current derate by 20%.
SYMBOLS
SR SR SR SR SR SR
320 330 340 350 360 370
SR SR SR SR SR
380 390 3100 3150 3200
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length(see fig.1)
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=100 C
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Storage temperature range
V
RRM
V
RMS
V
DC
I
(AV)
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
70
49
70
3.0
80
56
80
90 100 150 200 VOLTS
63 70 105 140 VOLTS
90 100 150 200 VOLTS
Amps
I
FSM
V
F
I
R
C
J
R
θ
JA
T
J
,
T
STG
250
0.55
20.0
0.70
80.0
0.85
0.5
10.0
160
40.0
-65 to +125
-65 to +150
-65 to +150
Amps
0.95 Volts
0.2
2.0
mA
pF
C/W
C
C
Note:1.Measured
at 1MHz and applied reverse voltage of 4.0V D.C.
2.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
Ratings And Characteristic Curves
SR320 THRU SR3200
FIG. 1- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
3.0
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
80
2.4
64
1.8
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
48
1.2
32
0.6
SR320-SR360
SR370-SR3200
0
25
50
75
100
125
150
175
16
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
0
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
20
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT,
MILAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
10
TJ=100 °C
1.0
1
T
J
=25 C
PULSE WIDTH=300
μs
1%DUTY CYCLE
0.1
0.1
SR320-SR340
SR350-SR360
SR370-SR3150
SR3200
0.2
0.4
0.6
0.8
1.0
1.1
TJ=25 °C
0.01
0.01
0.001
0
30
60
90
120
150
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 5-TYPICAL JUNCTION CAPACITANCE
2000
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT THERMAL IMPEDANCE,
C/W
1000
100
JUNCTION CAPACITANCE, pF
SR320-SR340
SR350-SR3200
10
100
1
T
J
=25 C
10
0.1
1.0
10
100
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
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