SBLB25L20CT THRU SBLB25L30CT
SCHOTTKY RECTIFIER
Reverse Voltage - 20 and 25 Volts Forward Current - 25.0 Amperes
FEATURES
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 in accordance with
CECC 802 / Reflow guaranteed
MECHANICAL DATA
Case: JEDEC TO-263AB molded plastic body
Terminals: Leads solderable per MIL-STD-750,
Method 2026
Polarity: As marked
Weight: 0.08 ounce, 2.24 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
SBLB25L20CT SBLB25L25CT SBLB25L30CT
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
=95C
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
=125C
V
F
0.39
T
C
=25C
0.49
Volts
Maximum instantaneous reverse current at
T
C
=25C
1.0
rated DC blocking voltage per leg
(NOTE 1)
T
C
=100C
I
R
50.0
mA
T
C
=125C
100.0
Typical thermal resistance per leg
(NOTE 2)
R
JC
1.5
C/W
Operating junction and storage temperature range
T
J
, T
STG
-40 to +125
C
NOTES:
(1) Pulse test: 300
s pulse width, 1% duty cycle
(2) Thermal resistance from junction to case per leg
4/98
-T-
SEATING
PLATE
0.380 (9.65)
0.420 (10.67)
0.320 (8.13)
0.360 (9.14)
0.575 (14.60)
0.625 (15.88)
0.027 (0.686)
0.037 (0.940)
1
2
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.018 (0.46)
0.025 (0.64)
0.080 (2.03)
0.110 (2.79)
0.090 (2.29)
0.110 (2.79)
0.245 (6.22)
MIN
- HEATSINK
PIN 1
K
K
0.095 (2.41)
0.100 (2.54)
K
PIN 2
0.047 (1.19)
0.055 (1.40)
TO-263AB
Dimensions in inches and (millimeters)
NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
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
=125C
FIG. 1 - FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE, C
AVERAGE FORWARD CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT PER LEG
NUMBER OF CYCLES AT 60 H
Z
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS PER LEG
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE PER LEG
JUNCTION CAPACITANCE, pF
REVERSE VOLTAGE, VOLTS
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=75C
T
J
=25C
T
J
=25C
PULSE WIDTH=300
s
1% DUTY CYCLE
T
J
=125C
FIG. 6 - TYPICAL TRANSIENT THERMAL
IMPEDANCE PER LEG
t, PULSE DURATION, sec.
TRANSIENT THERMAL IMPEDANCE,
C/W
T
J
=25C
f=1.0 MHz
Vsig=50mVp-p
RESISTIVE OR INDUCTIVE LOAD
RATINGS AND CHARACTERISTIC CURVES SBLB25L20CT THRU SBLB25L30CT
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