MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
for merly General Semiconductor
New Product
Dual Schottky Rectifiers
Rever se V oltage 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)
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 (MBRF3035CT, MBRF3045CT)
TO-220AB (MBR3035CT, MBR3045CT)
Dimensions in inches
and (millimeters)
TO-263AB (MBRB3035CT, MBRB3045CT)
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)
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Dual rectifier construction, positive center tap
• Metal silicon junction, majority carr ier conduction
• Low power loss, high efficiency
• Guardring for overvoltage protection
• For use in low voltage, high frequency inver ters, free
wheeling, and polarity protection applications
Mechanical Data
Case: JEDEC T O-220AB , IT O-220AB , TO-263AB
molded plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
High temperature soldering guaranteed:
250°C/10 seconds, 0.25" (6.35mm) from case (TO-220AB,
ITO-220AB) at ter minals (TO-236AB)
Polarity: As marked Mounting Position: Any
Mounting T orque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
Document Number 88677 www.vishay.com
02-Oct-02 1
Maximum Ratings (TC= 25°C unless otherwise noted)
Parameter Symbol
MBR3035CT MBR3045CT
Unit
Maximum repetitive peak reverse voltage VRRM 35 45 V
Wor king peak reverse voltage VRWM 35 45 V
Maximum DC blocking voltage VDC 35 45 V
Maximum average forward rectified current Total device 30
Per leg IF(AV) 15 A
Peakrepetitive forward current per leg IFRM 30 A
at TC= 105°C (rated VR, square wave, 20KHz)
Peak forward surge current
8.3ms single half sine-wave superimposed IFSM 200 A
on rated load (JEDEC Method) per leg
Peak repetitive reverse current per leg at tp= 2µs, 1KHZIRRM 2.0 A
Voltage rate of change (rated VR) dv/dt 10,000 V/µs
Operating junction temperature range TJ– 65 to +150 °C
Storage temperature range TSTG –65 to +175 °C
RMS Isolation voltage (MBRF type only) from terminals 4500 (1)
to heatsink with t = 1 second, RH ≤30% VISOL 3500 (2) V
1500 (3)
Electrical Characteristics(TC= 25°C unless otherwise noted)
Parameter Symbol
Value
Unit
Maximum instantaneous IF = 20A, TC = 125°C 0.60
forward voltage per leg at(4):I
F = 30A, TC = 25°C VF0.76 V
IF = 30A, TC = 125°C 0.72
Maximum instantaneous reverse current TJ = 25°C 1.0 mA
per leg at rated DC blocking voltage(4) TJ = 125°C IR60
Thermal Characteristics(TC= 25°C unless otherwise noted)
Parameter Symbol MBR MBRF MBRB Unit
Typical ther mal resistance per leg RΘJC 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: 300µs 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/car ton
MBRB3035CT - MBRB3045CT TO-263AB 45 Anti-Static tube, 50/tube, 2K/car ton
81 Anti-Static 13” reel, 800/reel, 4.8K/car ton
MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
for merly General Semiconductor
www.vishay.com Document Number 88677
202-Oct-02
MBR3045CT, MBRF3045CT & MBRB3045CT Series
Vishay Semiconductors
for merly General Semiconductor
IF — Instantaneous Forward Current (A)
50
10
IR — 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
050 100 150
18
Average Forward Current (A)
Peak Forward Surge Current (A)
Number of Cycles at 60 HZ
Fig. 2 – 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)
Fig. 3 – Typical Instantaneous
Forward Characteristics Per Leg
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.)
TJ = 25°C
TJ = 150°C
Fig. 5 – Typical Junction Capacitance
Per Leg
pF — Junction Capacitance
110
100
1,000
5,000
1000.1 Reverse Voltage (V)
TJ = 25°C
f = 1.0 MHZ
Vsig = 50mVp-p
Fig. 6 – Typical Transient
Thermal Impedance Per Leg
0 20 10040 60 80
Instantaneous Forward Voltage (V)
0 0.20.1 0.5 1.00.40.3 0.6 0.7 0.80.5 0.9 Percent of Rated Peak Reverse Voltage (%)
Ratings and
Characteristic Curves(TA= 25°C unless otherwise noted)
Document Number 88677 www.vishay.com
02-Oct-02 3
