MBR20xxCT, MBRF20xxCT & MBRB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88674
www.vishay.com
07-Feb-02
1
Dual Schottky Barrier Rectifier
Reverse Voltage 35 to 60V
Forward Current 20A
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
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
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 (MBRF20xxCT)
TO-220AB (MBR20xxCT)
Dimensions in inches
and (millimeters)
TO-263AB (MBRB20xxCT)
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)
MBR20xxCT, MBRF20xxCT & MBRB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88674
2
07-Feb-02
Maximum Ratings
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
MBR2035CT MBR2045CT MBR2050CT MBR2060CT
Unit
Maximum repetitive peak reverse voltage
V
RRM
35
45
50
60
V
Working peak reverse voltage
V
RWM
35
45
50
60
V
Maximum DC blocking voltage
V
DC
35
45
50
60
V
Maximum average forward rectified current Total device
20
at TC = 135C
Per leg
I
F(AV)
10
A
Peak repetitive forward current per leg at T
C
= 135C
(rated V
R
, sq. wave 2.0 KHz)
I
FRM
20
A
Peak forward surge current
8.3ms single half sine-wave superimposed
I
FSM
150
A
on rated load (JEDEC Method) per leg
Peak repetitive reverse surge current per leg
at t
p
= 2
s, 1KH
Z
I
RRM
1.0
0.5
A
Voltage rate of change (rated V
R
)
dv/dt
10,000
V/
s
Operating junction temperature range
T
J
65 to +150
C
Storage temperature range
T
STG
65 to +175
C
RMS Isolation voltage (MBRF 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
MBR2035CT MBR2045CT MBR2050CT MBR2060CT
Unit
Maximum instantaneous forward voltage per leg
(Note 4)
at I
F
= 10A,
T
C
= 25C
0.80
at I
F
= 10A,
T
C
= 125C
V
F
0.57
0.70
V
at I
F
= 20A,
T
C
= 25C
0.84
0.95
at I
F
= 20A,
T
C
= 125C
0.72
0.85
Maximum reverse current per leg
T
C
= 25C
0.1
0.15
at rated DC blocking voltage
(NOTE 4)
T
C
= 125C
I
R
15
150
mA
Thermal Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
MBR
MBRF
MBRB
Unit
Thermal resistance from junction to case per leg
R
JC
2.0
5.0
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
Ordering Information
Product
Case
Package Code
Package Option
MBR2035CT - MBR2060CT
TO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
MBRF2035CT - MBRF2060CT
ITO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
31
13" reel, 800/reel, 4.8K/carton
MBRB2035CT - MBRB2060CT
TO-263AB
45
Anti-Static tube, 50/tube, 2K/carton
81
Anti-Static 13" reel, 800/reel, 4.8K/carton
MBR20xxCT, MBRF20xxCT & MBRB20xxCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88674
www.vishay.com
07-Feb-02
3
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
I
F
Instantaneous F
orw
ard Current (A)
50
10
I
R
Instantaneous Re
v
erse Current (mA)
Typical Reverse Characteristics Per Leg
1.0
0.1
0.01
Forward Current Derating Curve
0
4
8
12
20
0
50
100
150
16
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
60
40
80
140
120
100
160
1
10
100
T
J
= T
J
max.
8.3ms Single Half Sine-Wave
(JEDEC Method)
Case Temperature (
C)
Typical Instantaneous
Forward Characteristics Per Leg
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.)
T
J
= 25
C
MBR2035CT MBR2045CT
MBR2050CT & MBR2060CT
T
J
= 150
C
MBR2035CT MBR2045CT
MBR2050CT & MBR2060CT
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
Pulse Width = 300
s
1% Duty Cycle
0
20
100
40
60
80
Percent of Rated Peak Reverse Voltage (%)
Typical Transient
Thermal Impedance Per Leg
Instantaneous Forward Voltage (V)
0
0.2
0.1
1.0 1.1 1.2
0.4
0.3
0.6 0.7 0.8
0.5
0.9
MBR2035CT MBR2045CT
MBR2050CT & MBR2060CT
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