Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail:
frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
3A SCHOTTKY BARRIER RECTIFIERS
SR302 THRU SR310
FEATURES
EXTREMELY LOW VF
LOW STORED CHARGE, MAJORITY CARRIER CONDUCTION
LOW POWER LOSS / HIGH EFFICIENCY
UL 94V0 FLAME RETARDANT EPOXY MOLDING COMPOUND
1.0(25.4)
MIN
.052(1.3)
.048(1.2)
.375(9.5)
.335(8.5)
.220(5.6)
.197(5.0)
MECHANICAL DATA
CASE: TRANSFER MOLDED, DO201AD, DIMENSIONS IN INCHES
AND (MILLIMETERS)
LEADS: SOLDERABLE PER MIL-STD-202,METHOD 208
POLARITY: CATHODE INDICATED BY COLOR BAND
WEIGHT: 1.2 GRAMS
1.0(25.4)
MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED
SINGLE PHASE, HALF WAVE, 60 HZ, RESISTIVE OR INDUCTIVE LOAD. FOR CAPACITIVE LOAD, DERATE CURRENT BY 20%
RATINGS
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
0.375”(9.5mm) LEAD LENGTH AT TA=55°C
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
SYMBOL SR302 SR303 SR304 SR305 SR306 SR307 SR308 SR309 SR310 UNITS
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
T
STG
T
OP
- 55 TO + 125
250
- 55 TO + 150
- 55 TO + 150
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
3.0
80
200
70
49
70
80
56
80
90
63
90
100
70
100
V
V
V
A
A
PF
℃
℃
ELECTRICAL CHARACTERISTICS (A
T
T
A
=25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
MAXIMUM FORWARD VOLTAGE AT I
O
DC
MAXIMUM REVERSE CURRENT AT 25℃
SYMBOL SR302 SR303 SR304 SR305 SR306 SR307 SR308 SR309 SR310 UNITS
V
F
I
R
0.50
0.74
2.0
0.85
V
mA
NOTES: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS
2. BOTH LEADS ATTACHED TO HEAT SINK 20x20x1t(mm) COPPER PLATE AT LEAD LENGTH 5mm
SR302 THRU SR310
Page: 1
RATING AND CHARACTERISTIC CURVES SR302 THRU SR310
FIG. 1 - FORWARD CURRENT DERATING CURVE
4.0
RESISTIVE OR INDUCTIVE LOAD
0.375” (9.5mm) LEAD LENGTH
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
80
70
T
J
=T
J MAX
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
3.0
SR305~SR310
AVERAGE FORWARD CURRENT,
AMPERES
PEAK FORWARD SURGE
CURRENT, AMPERES
60
50
40
30
20
10
0
1
2.0
SR302~SR304
1.0
10
NUMBER OF CYCLES AT 60H
Z
100
0
0 10
50
100
120
150
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
CASE TEMPERATURE,
℃
INSTANTANEOUS FORWARD CURRENT,
AMPERES
FIG. 3 - TYPICAL REVERSE
CHARACTERISTICS
10
SR302~SR304
10
SR307~SR310
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
1.0
SR305~SR306
T
J
=25℃
PULSE WIDTH=300us
2% DUTY CYCLE
0
.2
.4
.6
.8
1.0
1.2
1.4
1.0
T
J
=100℃
T
J
=75℃
0.1
0.1
INSTANTANEOUS FORWARD VOLTAGE
VOLTS
T
J
=25℃
1000
.01
600
400
CAPACITANCE,
P
F
200
100
60
40
20
10
0.1
0.4
1.0
4
10
40
T
J
=25℃
SR305~SR310
SR302~SR304
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
REVERSE VOLTAGE, VOLTS
SR302 THRU SR310
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