NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
SBLB25L20CT THRU SBLB25L30CT
SCHOTTKY RECTIFIER
Reverse Voltage -
20 and 25 Volts
TO-263AB
0.380 (9.65)
0.420 (10.67)
0.245 (6.22)
MIN
K
0.047 (1.19)
0.055 (1.40)
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
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
0.320 (8.13)
0.360 (9.14)
1
K
2
0.575 (14.60)
0.625 (15.88)
SEATING
PLATE
-T-
0.090 (2.29)
0.110 (2.79)
0.018 (0.46)
0.025 (0.64)
0.027 (0.686)
0.037 (0.940)
0.080 (2.03)
0.110 (2.79)
0.095 (2.41)
0.100 (2.54)
MECHANICAL DATA
PIN 1
K - HEATSINK
PIN 2
Dimensions in inches and (millimeters)
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 25°C ambient temperature unless otherwise specified.
SYMBOLS
SBLB25L20CT SBLB25L25CT SBLB25L30CT
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at T
C
=95°C
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)
T
C
=125°C
T
C
=25°C
Maximum instantaneous reverse current at
rated DC blocking voltage per leg
(NOTE 1)
Typical thermal resistance per leg
(NOTE 2)
Operating junction and storage temperature range
T
C
=25°C
T
C
=100°C
T
C
=125°C
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
20
14
20
25
17
25
25.0
180.0
30
21
30
Volts
Volts
Volts
Amps
Amps
V
F
0.39
0.49
1.0
50.0
100.0
1.5
-40 to +125
Volts
I
R
R
ΘJC
T
J
, T
STG
mA
°C/W
°C
NOTES:
(1) Pulse test: 300µs pulse width, 1% duty cycle
(2) Thermal resistance from junction to case per leg
4/98
RATINGS AND CHARACTERISTIC CURVES SBLB25L20CT THRU SBLB25L30CT
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
20
15
10
5
0
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
50
100
150
LEAD TEMPERATURE, °C
10
NUMBER OF CYCLES AT 60 H
Z
100
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS PER LEG
50
T
J
=125°C
50
INSTANTANEOUS FORWARD CURRENT,
AMPERES
PULSE WIDTH=300µs
1% DUTY CYCLE
T
J
=125°C
10
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
10
T
J
=75°C
T
J
=25°C
1
1
0.1
0.1
T
J
=25°C
0.01
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
FIG. 6 - TYPICAL TRANSIENT THERMAL
IMPEDANCE PER LEG
TRANSIENT THERMAL IMPEDANCE,
°C/W
4,000
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
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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