SBLF25L20CT THRU SBLF25L30CT
LOW V
F
SCHOTTKY ISOLATED PLASTIC RECTIFIER
Reverse Voltage - 20 and 25 Volts 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:
250¡C/10 seconds, 0.16" (4.06mm) from case
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.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified.
SYMBOLS
SBLF25L20CT SBLF25L25CT SBLF25L30CT
UNITS
Maximum repetitive peak reverse voltage
V
RRM
20
25
30
Volts
Maximum RMS voltage
V
RMS
14
17
21
Volts
Maximum DC blocking voltage
V
DC
20
25
30
Volts
Maximum average forward rectified current
at T
C
=95¡C
I
F(AV)
25.0
Amps
Peak forward surge current, 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
I
FSM
180.0
Amps
Maximum instantaneous forward voltage per leg at 12.5A
(NOTE 1)
T
C
=125¡C
V
F
0.39
T
C
=25¡C
0.49
Volts
Maximum instantaneous reverse current at
T
C
=25¡C
1.0
rated DC blocking voltage per leg
(NOTE 1)
T
C
=100¡C
I
R
50.0
mA
T
C
=125¡C
100.0
Typical thermal resistance per leg
(NOTE 2)
R
QJC
4.0
¡C/W
Operating junction and storage temperature range
T
J
, T
STG
-40 to +125
¡C
RMS Isolation voltage from terminals to heatsink
4500
(NOTE 3)
with RH ² 30%
V
ISOL
3500
(NOTE 4)
Volts
1500
(NOTE 5)
NOTES:
(1) Pulse test: 300
ms 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 0.110Ó 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 (0.19Ó).
Dimensions in inches and (millimeters)
ITO-220AB
0.060 (1.52)
0.405 (10.27)
0.383 (9.72)
0.676 (17.2)
0.646 (16.4)
0.191 (4.85)
0.171 (4.35)
0.600 (15.5)
0.580 (14.5)
0.560 (14.22)
0.530 (13.46)
0.037 (0.94)
0.027 (0.69)
0.140 (3.56)
0.130 (3.30)
0.350 (8.89)
0.330 (8.38)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.131 (3.39)
0.122 (3.08)
0.110 (2.80)
0.100 (2.54)
0.022 (0.55)
0.014 (0.36)
0.105 (2.67)
0.095 (2.41)
0.205 (5.20)
0.195 (4.95)
PIN 1
PIN 3
PIN 2
1
3
PIN
2
DIA.
DIA.
NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
2/17/99
0.01
0.1
1
10
100
0.1
1
10
100
0
50
100
150
0
5
10
15
20
25
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
0.01
0.1
1
10
50
1
10
100
0
50
100
150
200
250
300
0.1
1
10
100
100
1,000
4,000
0
20
40
60
80
100
0.001
0.01
0.1
1
10
50
T
J
=125¡C
FIG. 1 - FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE, ¡C
A
VERAGE FOR
W
ARD CURRENT
,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT PER LEG
NUMBER OF CYCLES AT 60 H
Z
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS PER LEG
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE CURRENT
,
MILLIAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER LEG
JUNCTION CAP
ACIT
ANCE, pF
REVERSE VOLTAGE, VOLTS
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=75¡C
T
J
=25¡C
T
J
=25¡C
PULSE WIDTH=300
ms
1% DUTY CYCLE
T
J
=125¡C
FIG. 6 - TYPICAL TRANSIENT THERMAL
IMPEDANCE PER LEG
t, PULSE DURATION, sec.
TRANSIENT
THERMAL
IMPEDANCE,
°
C/W
T
J
=25¡C
f=1.0 MHz
Vsig=50mVp-p
RESISTIVE OR INDUCTIVE LOAD
RATINGS AND CHARACTERISTIC CURVES SBLF25L20CT THRU SBLF25L30CT
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