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SBLF25L20CT THRU SBLF25L30CT
LOW VF SCHOTTKY ISOLATED PLASTIC RECTIFIER
Reverse Voltage - 20 and 25 Volts
ITO-220AB
Forward Current - 25.0 Amperes FEATURES
Isolated plastic package has Underwriters Laboratory Flammability Classification 94V-0 Metal silicon junction, majority carrier conduction Low power loss, high efficiency High current capability Very low forward voltage drop High surge capability Guardring for overvoltage protection For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications High temperature soldering guaranteed: 250C/10 seconds, 0.16" (4.06mm) from case
0.405 (10.27) 0.383 (9.72)
0.188 (4.77) 0.172 (4.36) 0.110 (2.80) 0.100 (2.54) 0.140 (3.56) DIA. 0.130 (3.30) 0.131 (3.39) DIA. 0.122 (3.08)
0.600 (15.5) 0.580 (14.5)
PIN 1 2 3
0.676 (17.2) 0.646 (16.4)
0.350 (8.89) 0.330 (8.38)
0.191 (4.85) 0.171 (4.35) 0.560 (14.22) 0.530 (13.46) 0.060 (1.52) 0.110 (2.80) 0.100 (2.54)
0.037 (0.94) 0.027 (0.69) 0.105 (2.67) 0.095 (2.41)
0.022 (0.55) 0.014 (0.36)
PIN 2
MECHANICAL DATA
Case: JEDEC ITO-220AB fully overmolded plastic body Terminals: Leads solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Weight: 0.08 ounce, 2.24 grams Mounting Torque: 5in.-lbs. max.
0.205 (5.20) 0.195 (4.95)
PIN 1 PIN 3
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified. SYMBOLS SBLF25L20CT SBLF25L25CT SBLF25L30CT UNITS
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=95C Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage per leg at 12.5A (NOTE 1) TC=125C TC=25C Maximum instantaneous reverse current at rated DC blocking voltage per leg (NOTE 1) TC=25C TC=100C TC=125C
VRRM VRMS VDC IF(AV) IFSM VF
20 14 20
25 17 25 25.0 180.0 0.39 0.49 1.0 50.0 100.0 4.0 -40 to +125 4500 (NOTE 3) 3500 (NOTE 4) 1500 (NOTE 5)
30 21 30
Volts Volts Volts Amps Amps
Volts mA C/W C Volts
IR RQJC TJ, TSTG VISOL
Typical thermal resistance per leg (NOTE 2) Operating junction and storage temperature range RMS Isolation voltage from terminals to heatsink with RH 30%
NOTES: (1) Pulse test: 300ms pulse width, 1% duty cycle (2) Thermal resistance from junction to case per leg (3) Clip mounting (on case), where lead does not overlap heatsink with 0.110O offset. (4) Clip mounting (on case), where leads do overlap heatsink. (5) Screw mounting with 4-40 screw, where washer diameter is 4.9 mm (0.19O).
2/17/99
RATINGS AND CHARACTERISTIC CURVES SBLF25L20CT THRU SBLF25L30CT
FIG. 1 - FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, AMPERES PEAK FORWARD SURGE CURRENT, AMPERES FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG
25
RESISTIVE OR INDUCTIVE LOAD
300 250 200 150 100 50 0 1 10
NUMBER OF CYCLES AT 60 HZ
TJ=TJ max. 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
20 15 10 5 0
0
50
100
150
LEAD TEMPERATURE, C
100
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS PER LEG
50
TJ=125C
50
INSTANTANEOUS FORWARD CURRENT, AMPERES
PULSE WIDTH=300ms 1% DUTY CYCLE TJ=125C
10
INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES
10
TJ=25C
1
TJ=75C
1
0.1
0.1
0.01
TJ=25C
0.01
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
0.001
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER LEG
TJ=25C f=1.0 MHz Vsig=50mVp-p
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG TRANSIENT THERMAL IMPEDANCE, C/W
4,000
JUNCTION CAPACITANCE, pF
100
1,000
10
1
100 0.1
1
10
100
REVERSE VOLTAGE, VOLTS
0.1 0.01
0.1
1
t, PULSE DURATION, sec.
10
100

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