MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
formerly General Semiconductor
New Product
Dual Schottky Rectifiers
Reverse Voltage 30 to 45V
Forward Current 30A
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 (MBRF3035CT, MBRF3045CT)
TO-220AB (MBR3035CT, MBR3045CT)
Dimensions in inches
and (millimeters)
TO-263AB (MBRB3035CT, MBRB3045CT)
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)
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
Mechanical Data
Case: JEDEC TO-220AB, ITO-220AB, TO-263AB
molded plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed:
250C/10 seconds, 0.25" (6.35mm) from case (TO-220AB,
ITO-220AB) at terminals (TO-236AB)
Polarity: As marked Mounting Position: Any
Mounting Torque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
Document Number 88677
www.vishay.com
02-Oct-02
1
Maximum Ratings
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
MBR3035CT
MBR3045CT
Unit
Maximum repetitive peak reverse voltage
V
RRM
35
45
V
Working peak reverse voltage
V
RWM
35
45
V
Maximum DC blocking voltage
V
DC
35
45
V
Maximum average forward rectified current
Total device
30
Per leg
I
F(AV)
15
A
Peakrepetitive forward current per leg
I
FRM
30
A
at T
C
= 105C (rated V
R
, square wave, 20KHz)
Peak forward surge current
8.3ms single half sine-wave superimposed
I
FSM
200
A
on rated load (JEDEC Method) per leg
Peak repetitive reverse current per leg at t
p
= 2
s, 1KH
Z
I
RRM
2.0
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
(1)
to heatsink with t = 1 second, RH
30%
V
ISOL
3500
(2)
V
1500
(3)
Electrical Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
Value
Unit
Maximum instantaneous
I
F
= 20A,
T
C
= 125C
0.60
forward voltage per leg at
(4)
:
I
F
= 30A,
T
C
= 25C
V
F
0.76
V
I
F
= 30A,
T
C
= 125C
0.72
Maximum instantaneous reverse current
T
J
= 25C
1.0
mA
per leg at rated DC blocking voltage
(4)
T
J
= 125C
I
R
60
Thermal Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
MBR
MBRF
MBRB
Unit
Typical thermal resistance per leg
R
JC
1.5
4.5
1.5
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
MBR3035CT - MBR3045CT
TO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
MBRF3035CT - MBRF3045CT
ITO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
31
13" reel, 800/reel, 4.8K/carton
MBRB3035CT - MBRB3045CT
TO-263AB
45
Anti-Static tube, 50/tube, 2K/carton
81
Anti-Static 13" reel, 800/reel, 4.8K/carton
MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88677
2
02-Oct-02
MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
formerly General Semiconductor
I
F
--
Instantaneous Forward Current (A)
50
10
I
R
--
Instantaneous Reverse Current (mA)
Fig. 4 Typical Reverse
Characteristics Per Leg
1.0
0.1
0.01
Fig. 1 Forward Current
Derating Curve
0
6
12
24
30
0
50
100
150
18
A
verage Forward Current (A)
Peak Forward Surge Current (A)
Number of Cycles at 60 H
Z
Fig. 2 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)
Fig. 3 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
ransient
Thermal Impedance (
C/W)
0.01
1
10
100
10
100
0.1
0.1
1
t -- Pulse Duration (sec.)
T
J
= 25
C
T
J
= 150
C
Fig. 5 Typical Junction Capacitance
Per Leg
pF
--
Junction Capacitance
1
10
100
1,000
5,000
100
0.1
Reverse Voltage (V)
T
J
= 25
C
f = 1.0 MH
Z
V
sig
= 50mVp-p
Fig. 6 Typical Transient
Thermal Impedance Per Leg
0
20
100
40
60
80
Instantaneous Forward Voltage (V)
0
0.2
0.1
0.5
1.0
0.4
0.3
0.6
0.7
0.8
0.5
0.9
Percent of Rated Peak Reverse Voltage (%)
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
Document Number 88677
www.vishay.com
02-Oct-02
3
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