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
20A DUAL SCHOTTKY BARRIER RECTIFIERS
SRF20-03CT THRU SRF20-10CT
CASE : ITO-220AB( SRF20-XX) , FULLY INSULATED PACKAGE
O
B
C
D
1
2
3
J
K
MILLIMETERS
MIN
MAX
10.27
9.72
6.30
6.90
14.50
15.50
13.00
13.80
-
4.1
2.41
2.67
-
1.52
-
0.9
-
4.8
-
3.1
2.5
2.9
-
0.8
Ø 3.4
F
H
I
PIN 1
E
M
PIN 2
CASE
B
C
D
E
F
G
H
I
J
K
L
M
O
G
PIN 3
L
FEATURES
EXTREMELY LOW VF
LOW STORED CHARGE, MAJORITY CARRIER CONDUCTION
LOW POWER LOSS / HIGH EFFICIENCY
UL 94V0 FLAME RETARDANT EPOXY MOLDING COMPOUND
MECHANICAL DATA
CASE: TRANSFER MOLDED
LEADS: SOLDERABLE PER MIL-STD-202,METHOD 208
POLARITY: AS MARKED
WEIGHT 2.05 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%
RATINGS
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
SEE FIG.1 PER LEG
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD PER LEG
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
SYMBOL
SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20
UNITS
-03CT -035CT -04CT -045CT -05CT -06CT -08CT -09CT -10CT
V
RRM
V
RMS
V
DC
I
O
I
FSM
T
STG
T
OP
30
21
30
35
24
35
40
28
40
45
31
45
50
35
50
20
10
150
60
42
60
80
56
80
90
63
90
100
70
100
V
V
V
A
A
℃
℃
- 55 TO + 150
- 55 TO + 125
ELECTRICAL CHARACTERISTICS (A
T
T
A
=25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
MAXIMUM FORWARD VOLTAGE AT 10A PER LEG
MAXIMUM REVERSE CURRENT AT 25℃PER LEG (NOTE 1)
MAXIMUM REVERSE CURRENT AT 100℃PER LEG (NOTE 1)
SYMBOL
SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20 SRF20
UNITS
-03CT -035CT -04CT -045CT -05CT -06CT -08CT -09CT -10CT
V
F
I
R
I
R
0.60
5.0
50.0
0.80
0.85
V
mA
mA
THERMAL CHARACTERISTICS (T
C
=25℃UNLESS OTHERWISE NOTED )
PARAMETER
TYPICAL THERMAL RESISTANCE JUNCTION TO CASE PER LEG
NOTES︰ 1. PULSE TEST: 300µS PULSE WIDTH, 1% DUTY CYCLE
SYMBOL
SRF20
4.0
UNITS
R
θjc
℃/W
SRF20-03CT THRU SRF20-10C
Page: 1
RATINGS AND CHARACTERISTIC CURVES SRF20-03CT THRU SRF20-10CT
FIG. 1 - FORWARD DERATING CURVE
300
250
200
150
100
50
0
1
10
NUMBER OF CYCLES AT 60H
Z
100
FIG. 2 - PEAK FORWARD SURGE CURRENT
16
12
8.0
4.0
0
0
25
50
75
100
125
150
CASE TEMPERATURE (℃)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
10
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED
CURRENT AMPERES
20
FIG. 4 - TYPICAL FORWARD CHARACTERISTIC
PER LEG
100
INSTANTANEOUS REVERSE
CURRENT (mA)
T
J
=125℃
INSTANTANEOUS FORWARD
CURRENT AMPERES
1.0
10
SRF20-03CT~20-045CT
SRF20-05CT~20-10CT
0.1
T
J
=75℃
1
.01
0.1
T
J
=25℃
.001
SRF20-03CT~20-045CT
SRF20-05CT~20-10CT
0 0
.
2
0
.
6
1
.
0
1
.
4
1
.
8 2
.
0
FORWARD VOLTAGE (VOLTS)
0
20
40
60
80
100
120
140
PERCENT OF RATED VOLTAGE PEAK
REVERSE VOLTAGE
SRF20-03CT THRU SRF20-10C
Page: 2
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