SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Dual Low V Schottky Rectifier
F
Reverse Voltage 30 and 40V
Forward Current 20A
ITO-220AB (SBLF20xxCT)
0.188 (4.77)
0.405 (10.27)
0.172 (4.36)
0.383 (9.72)
0.110 (2.80)
0.100 (2.54)
0.140 (3.56) 0.131 (3.39)
DIA.
DIA.
0.130 (3.30) 0.122 (3.08)
TO-220AB (SBL20xxCT)
0.415 (10.54) MAX. 0.185 (4.70)
0.676 (17.2)
0.600 (15.5)
0.175 (4.44)
0.646 (16.4)
0.154 (3.91) 0.580 (14.5)
0.370 (9.40) 0.055 (1.39)
0.350 (8.89)
0.148 (3.74)
0.360 (9.14) 0.045 (1.14)
0.330 (8.38)
PIN
0.113 (2.87)
1 2 3
0.103 (2.62)
0.145 (3.68)
0.191 (4.85)
0.135 (3.43)
0.171 (4.35)
0.603 (15.32)
0.573 (14.55)
0.110 (2.80)
0.410 (10.41) 0.560 (14.22)
0.350 (8.89)
0.635 (16.13) 0.060 (1.52)
0.100 (2.54)
0.390 (9.91) 0.530 (13.46)
0.330 (8.38)
0.625 (15.87)
PIN 1
PIN 2
PIN
1 2 3 1.148 (29.16)
PIN 3
1.118 (28.40)
0.160 (4.06)
0.110 (2.79)
0.037 (0.94)
0.140 (3.56)
0.022 (0.55)
0.100 (2.54)
0.027 (0.69)
0.105 (2.67)
0.014 (0.36)
0.095 (2.41)
0.560 (14.22)
PIN 1
PIN 2
0.530 (13.46)
0.205 (5.20)
0.195 (4.95)
CASE
PIN 3
0.105 (2.67)
0.035 (0.90)
0.095 (2.41) TO-263AB (SBLB20xxCT)
0.028 (0.70)
0.022 (0.56)
0.104 (2.65)
0.014 (0.36)
0.096 (2.45)
0.411 (10.45)
0.205 (5.20) 0.190 (4.83)
0.195 (4.95) 0.380 (9.65) 0.055 (1.40)
0.160 (4.06)
0.045 (1.14)
0.245 (6.22)
Mounting Pad Layout TO-263AB
MIN
0.42 K
(10.66)
0.055 (1.40)
0.360 (9.14)
0.047 (1.19)
0.33
0.320 (8.13)
0.624 (15.85)
(8.38)
0.591 (15.00)
1 K
2
0.63
0-0.01 (0-0.254)
(17.02)
0.110 (2.79)
Dimensions in inches
0.090 (2.29)
and (millimeters)
0.037 (0.940)
0.021 (0.53)
PIN 1
0.027 (0.686)
0.014 (0.36)
K - HEATSINK
PIN 2
0.08
0.105 (2.67)
0.140 (3.56)
(2.032)
0.12
0.095 (2.41)
0.110 (2.79)
(3.05) 0.205 (5.20)
0.24
0.195 (4.95)
(6.096)
Features
" Plastic package has Underwriters Laboratory
Mechanical Data
Flammability Classification 94V-0
" Dual rectifier construction, positive center tap Case: JEDEC TO-220AB, ITO-220AB & TO-263AB
molded plastic body
" Metal silicon junction, majority carrier conduction
Terminals: Plated leads, solderable per
" Low power loss, high efficiency
MIL-STD-750, Method 2026
" Guardring for overvoltage protection
Polarity: As marked
" For use in low voltage, high frequency inverters,
Mounting Position: Any
free wheeling, and polarity protection applications
Mounting Torque: 10 in-lbs maximum
" High temperature soldering guaranteed:
250°C/10 seconds, 0.25" (6.35mm) from case Weight: 0.08 oz., 2.24 g
Document Number 88730 www.vishay.com
03-Oct-03 1
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Maximum Ratings (T = 25°C unless otherwise noted)
C
Parameter Symbol SBL2030CT SBL2040CT Unit
Maximum repetitive peak reverse voltage V 30 40 V
RRM
Working peak reverse voltage V 21 28 V
RWM
Maximum DC blocking voltage V 30 40 V
DC
Maximum average forward rectified current Total device 20
I A
F(AV)
at TC = 105°C Per leg 10
Peak forward surge current
8.3ms single half sine-wave superimposed I 175 A
FSM
on rated load (JEDEC Method) per leg
Peak repetitive reverse surge current per leg
I 1.0 A
RRM
at t = 2.0µs, 1KH
p Z
Operating junction and storage temperature range T , T  55 to +150 °C
J STG
RMS Isolation voltage (SBLF type only) from terminals 4500
(NOTE 1)
to heatsink with t = 1.0 second, RH d" 30% V 3500 V
ISOL (NOTE 2)
1500
(NOTE 3)
Electrical Characteristics (T = 25°C unless otherwise noted)
C
Parameter Symbol Value Unit
Maximum instantaneous forward voltage per leg
V 0.60 V
F
at 10 A (Note 4)
Maximum instantaneous current at rated T = 25°C 1.0
C
I mA
R
DC blocking voltage per leg (Note 4) T = 100°C 50
C
Thermal Characteristics (T = 25°C unless otherwise noted)
C
Parameter Symbol SBL SBLF SBLB Unit
Typical thermal resistance from junction to case per leg R 2.0 4.0 2.0 °C/W
ÅšJC
Notes:
(1) Clip mounting (on case), where lead does not overlap heatsink with 0.110 offset
(2) Clip mounting (on case), where leads do overlap heatsink
(3) Screw mounting with 4-40 screw, where washer diameter is d" 4.9 mm (0.19 )
(4) Pulse test: 300µs pulse width, 1% duty cycle
www.vishay.com Document Number 88730
2 03-Oct-03
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves (T = 25°C unless otherwise noted)
A
Fig. 1  Forward Current Fig. 2  Maximum Non-Repetitive Peak
Derating Curve Forward Surge Current Per Leg
30
300
Resistive or Inductive Load
TJ = TJ max
8.3ms Single Half Sine-Wave
25
250
(JEDEC Method)
TJ = 150°C
20
200
15
150
10
100
5
50
0 0
0 50 100 150
1 10 100
Lead Temperature (°C) Number of Cycles at 60 HZ
Fig. 3  Typical Instantaneous
Fig. 4  Typical Reverse Characteristics Per Leg
Forward Characteristics Per Leg
100 50
10
TJ = 125°C
10
TJ = 150°C
Pulse Width = 300µs
1% Duty Cycle
1.0
1
75°C
TJ = 25°C
0.1
0.1
0.01
25°C
0.01 0.001
0 20 40 60 80 100
0 0.2 0.4 0.6 0.8 1.0 1.2
Instantaneous Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%)
Fig. 6  Typical Transient Thermal
Fig. 5  Typical Junction Capacitance Per Leg
Impedance Per Leg
100
TJ = 25°C
f = 1.0 MHZ
4,000 Vsig = 50mVp-p
10
SBLF
1,000
1 SBL, SBLB
100 0.1
0.1 1 10 100 0.01 0.1 1 10 100
Reverse Voltage (V) t, Pulse Duration (sec.)
Document Number 88730 www.vishay.com
03-Oct-03 3
Peak Forward Surge Current (A)
Average Forward Rectified Current (A)
(
µ
A)
F
I - Instantaneous Forward Current (A)
Instantaneous Reverse Leakage Current
Junction Capacitance (pF)
Transient Thermal Impedance (
°
C/W)
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