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-LFR THRU SR310-LFR
FEATURES
z EXTREMELY LOW VF
1.0(25.4)
MIN
z LOW STORED CHARGE, MAJORITY CARRIER CONDUCTION
z LOW POWER LOSS / HIGH EFFICIENCY
z UL 94V0 FLAME RETARDANT EPOXY MOLDING COMPOUND
z ROHS
.052(1.3)
.048(1.2)
.375(9.5)
.335(8.5)
.220(5.6)
.197(5.0)
MECHANICAL DATA
z CASE: TRANSFER MOLDED, DO201AD, DIMENSIONS IN INCHES
AND (MILLIMETERS)
1.0(25.4)
MIN
z LEADS: SOLDERABLE PER MIL-STD-202,METHOD 208
z POLARITY: CATHODE INDICATED BY COLOR BAND
z WEIGHT: 1.2 GRAMS
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%
SR302-LF SR303-LF SR304-LF SR305-LF SR306-LF SR307-LF SR308-LF SR309-LF SR310-LF
RATINGS
SYMBOL
UNITS
R
R
R
R
R
R
R
R
R
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
VRRM
VRMS
VDC
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
70
49
70
80
56
80
90
63
90
100
70
V
V
V
MAXIMUM DC BLOCKING VOLTAGE
100
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
.375〞(9.5mm) LEAD LENGTH AT TA=55°C
IO
3.0
80
A
A
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE
IFSM
CJ
250
200
PF
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
TSTG
- 55 TO + 150
℃
TOP
- 55 TO + 125
- 55 TO + 150
℃
ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED)
SR302-LF SR303-LF SR304-LF SR305-LF SR306-LF SR307-LF SR308-LF SR309-LF SR310-LF
CHARACTERISTICS
SYMBOL
UNITS
R
R
R
R
R
R
R
R
R
MAXIMUM FORWARD VOLTAGE AT IO DC
VF
IR
0.50
0.74
0.85
V
MAXIMUM REVERSE CURRENT AT 25℃
2.0
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-LFR THRU SR310-LFR
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