SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88730
www.vishay.com
02-Jul-02
1
Dual Low V
F
Schottky 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)
1
2
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)
1
3
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)
1
2
3
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:
250C/10 seconds, 0.25" (6.35mm) from case
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88730
2
02-Jul-02
Maximum Ratings
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
SBL2030CT
SBL2040CT
Unit
Maximum repetitive peak reverse voltage
V
RRM
30
40
V
Working peak reverse voltage
V
RWM
21
28
V
Maximum DC blocking voltage
V
DC
30
40
V
Maximum average forward rectified current
Total device
20
at TC = 105C
Per leg
I
F(AV)
10
A
Peak forward surge current
8.3ms single half sine-wave superimposed
I
FSM
175
A
on rated load (JEDEC Method) per leg
Peak repetitive reverse surge current per leg
at t
p
= 2.0
s, 1KH
Z
I
RRM
1.0
A
Operating junction and storage temperature range
T
J
, T
STG
40 to +125
C
RMS Isolation voltage (SBLF type only) from terminals
4500
(NOTE 1)
to heatsink with t = 1.0 second, RH
30%
V
ISOL
3500
(NOTE 2)
V
1500
(NOTE 3)
Electrical Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
Value
Unit
Maximum instantaneous forward voltage per leg
at 10 A
(Note 4)
V
F
0.60
V
Maximum instantaneous current at rated T
C
= 25C
1.0
DC blocking voltage per leg
(Note 4)
T
C
= 100C
I
R
50
mA
Thermal Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
SBL
SBLF
SBLB
Unit
Typical thermal resistance from junction to case per leg
R
JC
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: 300
s pulse width, 1% duty cycle
SBL20xxCT, SBLF20xxCT & SBLB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88730
www.vishay.com
02-Jul-02
3
I
R
Instantaneous Re
v
erse Current (mA)
Typical Reverse Characteristics Per Leg
Forward Current Derating Curve
0
5
10
15
25
0
50
100
150
20
A
v
er
age F
orw
ard Current (A)
P
eak F
orw
ard Surge Current (A)
Number of Cycles at 60 H
Z
Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
0
50
150
100
250
200
300
1
10
100
T
J
= T
J
max.
8.3ms Single Half Sine-Wave
(JEDEC Method)
Case Temperature (
C)
1.0
10
50
0.01
0.001
0.1
T
J
= 125
C
75
C
25
C
Resistive or Inductive Load
T
r
ansient
Ther
mal Impedance (
C/W)
0.01
1
10
100
10
100
0.1
0.1
1
t Pulse Duration (sec.)
Typical Junction Capacitance Per Leg
pF
J
unction Capacitance
1
10
100
1,000
4,000
100
0.1
Reverse Voltage (V)
T
J
= 25
C
f = 1.0 MH
Z
V
sig
= 50mVp-p
0
20
100
40
60
80
Typical Transient
Thermal Impedance Per Leg
Percent of Rated Peak Reverse Voltage (%)
SBLF
SBL, SBLB
I
F
Instantaneous F
orw
ard Current (A)
100
10
1.0
0.1
0.01
T
J
= 25
C
T
J
= 125
C
Instantaneous Forward Voltage (V)
0
0.2
0.6
1.2
0.4
0.8
1.0
Pulse Width = 300
s
1% Duty Cycle
Typical Instantaneous
Forward Characteristics per Leg
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
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