SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88730 www.vishay.com
03-Oct-03 1
Dual Low VFSchottky Rectifier Reverse Voltage 30 and 40V
Forward Current 20A
0.08
(2.032)
0.24
(6.096)
0.42
(10.66)
0.63
(17.02)
0.12
(3.05)
0.33
(8.38)
Mounting Pad Layout TO-263AB
Dimensions in inches
and (millimeters)
0.380 (9.65)
0.411 (10.45)
0.320 (8.13)
0.360 (9.14)
0.591 (15.00)
0.624 (15.85)
12
0.245 (6.22)
MIN
K
K
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.014 (0.36)
0.021 (0.53)
0.110 (2.79)
0.140 (3.56)
0.090 (2.29)
0.110 (2.79)
0.047 (1.19)
0.055 (1.40)
PIN 1
PIN 2 K - HEATSINK
0-0.01 (0-0.254)
0.027 (0.686)
0.037 (0.940)
0.105 (2.67)
0.095 (2.41) 0.205 (5.20)
0.195 (4.95)
13
PIN
2
0.060 (1.52)
0.405 (10.27)
0.383 (9.72)
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)
DIA.
DIA.
0.676 (17.2)
0.646 (16.4)
0.205 (5.20)
0.195 (4.95)
0.105 (2.67)
0.095 (2.41)
PIN 2
PIN 1
PIN 3
ITO-220AB (SBLF20xxCT)
TO-220AB (SBL20xxCT)
TO-263AB (SBLB20xxCT)
123
PIN
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.145 (3.68)
0.135 (3.43)
0.350 (8.89)
0.330 (8.38)
0.560 (14.22)
0.530 (13.46)
0.022 (0.56)
0.014 (0.36)
0.110 (2.79)
0.100 (2.54)
0.603 (15.32)
0.573 (14.55)
CASE
1.148 (29.16)
1.118 (28.40)
PIN 2
0.154 (3.91)
0.148 (3.74)
0.113 (2.87)
0.103 (2.62)
0.160 (4.06)
0.140 (3.56)
0.410 (10.41)
0.390 (9.91) 0.635 (16.13)
0.625 (15.87)
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
PIN 1
PIN 3
0.028 (0.70)
0.104 (2.65)
0.096 (2.45)
0.035 (0.90)
0.205 (5.20)
0.195 (4.95)
0.105 (2.67)
0.095 (2.41)
Mechanical Data
Case: JEDEC TO-220AB, ITO-220AB & TO-263AB
molded plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
Polarity: As marked
Mounting Position: Any
Mounting Torque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Dual rectifier construction, positive center tap
• Metal silicon junction, majority carrier conduction
• Low power loss, high efficiency
• 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, 0.25" (6.35mm) from case
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com Document Number 88730
203-Oct-03
Maximum Ratings (TC= 25°C unless otherwise noted)
Parameter Symbol SBL2030CT SBL2040CT Unit
Maximum repetitive peak reverse voltage VRRM 30 40 V
Working peak reverse voltage VRWM 21 28 V
Maximum DC blocking voltage VDC 30 40 V
Maximum average forward rectified current Total device 20
at TC = 105°C Per leg IF(AV) 10 A
Peak forward surge current
8.3ms single half sine-wave superimposed IFSM 175 A
on rated load (JEDEC Method) per leg
Peak repetitive reverse surge current per leg
at tp= 2.0µs, 1KHZIRRM 1.0 A
Operating junction and storage temperature range TJ, TSTG –55 to +150 °C
RMS Isolation voltage (SBLF type only) from terminals 4500 (NOTE 1)
to heatsink with t = 1.0 second, RH ≤30% VISOL 3500 (NOTE 2) V
1500 (NOTE 3)
Electrical Characteristics (TC= 25°C unless otherwise noted)
Parameter Symbol
Value
Unit
Maximum instantaneous forward voltage per leg
at 10 A (Note 4) VF0.60 V
Maximum instantaneous current at rated TC = 25°C 1.0
DC blocking voltage per leg (Note 4) TC = 100°C IR50 mA
Thermal Characteristics (TC= 25°C unless otherwise noted)
Parameter Symbol SBL SBLF SBLB Unit
Typical thermal resistance from junction to case per leg RΘJC 2.0 4.0 2.0 °C/W
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 ≤ 4.9 mm (0.19”)
(4) Pulse test: 300µs pulse width, 1% duty cycle
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88730 www.vishay.com
03-Oct-03 3
0
50
100
150
250
200
1 10010
Peak Forward Surge Current (A)
Number of Cycles at 60 HZ
0
15
20
30
25
0 50 100 150
Average Forward Rectified Current (A)
Lead Temperature (°C)
0 0.2 0.4 0.6 0.8 1.0 1.2
Fig. 3 – Typical Instantaneous
Forward Characteristics Per Leg
020 6040 10080
Fig. 4 – Typical Reverse Characteristics Per Leg
Instantaneous Reverse Leakage Current
(µA)
Percent of Rated Peak Reverse Voltage (%)
10
5
0.01
0.1
10
1
100
IF - Instantaneous Forward Current (A)
Reverse Voltage (V)
Junction Capacitance (pF)
0.1 1 10 100
4,000
1,000
100
0.001
0.01
1.0
10
50
0.1
Fig. 5 – Typical Junction Capacitance Per Leg
TJ = 150°C
TJ = 25°C
f = 1.0 MHZ
Vsig = 50mVp-p
Fig. 1 – Forward Current
Derating Curve
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
Instantaneous Forward Voltage (V)
Pulse Width = 300µs
1% Duty Cycle
t, Pulse Duration (sec.)
Transient Thermal Impedance (°C/W)
0.10.01 1 10 100
100
10
1
Fig. 6 – Typical Transient Thermal
Impedance Per Leg
0.1
300 TJ = TJ max
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = 25°C
TJ = 125°C
75°C
25°C
SBL, SBLB
SBLF
Resistive or Inductive Load
TJ = 150°C
Ratings and
Characteristic Curves (TA= 25°C unless otherwise noted)
