SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
for merly General Semiconductor
Document Number 88730 www.vishay.com
02-Jul-02 1
Dual Low VFSchottky Rectifier Rever se V oltage 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 T O-220AB , IT O-220AB & T O-263AB
molded plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
Polarity: As marked
Mounting Position: Any
Mounting T orque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
Features
• Plastic package has Underwriters Laborator y
Flammability Classification 94V-0
• Dual rectifier constr uction, positive center tap
• Metal silicon junction, major ity carr ier conduction
• Low power loss, high efficiency
• Guardr ing for overvoltage protection
• For use in low voltage, high frequency inver ters,
free wheeling, and polarity protection applications
• High temperature solder ing guaranteed:
250°C/10 seconds, 0.25" (6.35mm) from case
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
for merly General Semiconductor
www.vishay.com Document Number 88730
202-Jul-02
Maximum Ratings (TC= 25°C unless otherwise noted)
Parameter Symbol SBL2030CT SBL2040CT Unit
Maximum repetitive peak reverse voltage VRRM 30 40 V
Wor king 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 –40 to +125 °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 ther mal 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
for merly General Semiconductor
Document Number 88730 www.vishay.com
02-Jul-02 3
IR — Instantaneous Reverse Current
Typical Reverse Characteristics Per Leg
Forward Current Derating Curve
0
5
10
15
25
050 100 150
20
Average Forward Current (A)
Peak Forward Surge Current (A)
Number of Cycles at 60 HZ
Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
0
50
150
100
250
200
300
110
100
TJ = TJ max.
8.3ms Single Half Sine-
Wave
(JEDEC Method)
Case Temperature (¡C)
1.0
10
50
0.01
0.001
0.1
TJ = 125¡C
75¡C
25¡C
Resistive or Inductive Load
Transient Thermal Impedance (¡C/W)
0.01 110
100
10
100
0.1 0.1
1
t — Pulse Duration (sec.)
Typical Junction Capacitance Per Leg
pF — Junction Capacitance
110
100
1,000
4,000
1000.1 Reverse Voltage (V)
TJ = 25¡C
f = 1.0 MHZ
Vsig = 50mVp-p
0 20 10040 60 80
Typical Transient
Thermal Impedance Per Leg
Percent of Rated Peak Reverse Voltage (%)
SBLF
SBL, SBLB
IF — Instantaneous Forward Current (A)
100
10
1.0
0.1
0.01
TJ = 25¡C
TJ = 125¡C
Instantaneous Forward Voltage (V)
0 0.2 0.6 1.20.4 0.8 1.0
Pulse Width = 300µs
1% Duty Cycle
Typical Instantaneous
Forward Characteristics per Leg
Ratings and
Characteristic Curves(TA= 25°C unless otherwise noted)
