MBR3045CT, MBRF3045CT
& MBRB3045CT /CT-1
Series
A1
K
A2
ct
odu
Pr
New
ITO-220AB
K
Dual Schottky Rectifiers
Reverse Voltage
30 to 45V
Forward Current
30A
Max. Forward Voltage
0.76V at 30A
Max. Junction Temperature
150°C
TO-220AB
K
TO-263AB
(D
2
Pak)
K
TO-262AA
(I
2
Pak)
A2
A1
A2
K
A1
A1
A2
K
A1
K
A2
MBR3035CT
MBR3045CT
MBRF3035CT
MBRF3045CT
MBRB3035CT
MBRB3045CT
MBRB3035CT-1
MBRB3045CT-1
Mechanical Data
Case:
JEDEC TO-220AB, ITO-220AB, TO-263AB
& TO-262AA 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 & TO-252AA) at terminals (TO-236AB)
Polarity:
As marked
Mounting Position:
Any
Mounting Torque:
10 in-lbs maximum
Weight:
0.08 ounce, 2.24 grams
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
Ordering Information
Product
MBR3035CT - MBR3045CT
MBRF3035CT - MBRF3045CT
MBRB3035CT - MBRB3045CT
MBRB3035CT-1 - MBRB3045CT-1
Case
TO-220AB
ITO-220AB
TO-263AB
TO-262AA
Package Code
45
45
31
45
81
45
Package Option
Anti-Static tube, 50/tube, 2K/carton
Anti-Static tube, 50/tube, 2K/carton
13” reel, 800/reel, 4.8K/carton
Anti-Static tube, 50/tube, 2K/carton
Anti-Static 13” reel, 800/reel, 4.8K/carton
Anti-Static tube, 50/tube, 2K/carton
4/25/01
MBR3045CT, MBRF3045CT
& MBRB3045CT /CT-1
Series
Dual Schottky Rectifiers
Maximum Ratings
Parameter
Maximum repetitive peak reverse voltage
Working peak reverse voltage
Maximum DC blocking voltage
Maximum average forward rectified current
Total device
Per leg
(T
C
= 25°C unless otherwise noted)
Symbol
V
RRM
V
RWM
V
DC
I
F(AV)
I
FRM
MBR3035CT
35
35
35
30
15
30
MBR3045CT
45
45
45
Unit
V
V
V
A
A
Peakrepetitive forward current per leg
at T
C
= 105°C (rated V
R
, square wave, 20KHz)
Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method) per leg
Peak repetitive reverse current per leg at t
p
= 2µs, 1KH
Z
Voltage rate of change (rated V
R
)
Operating junction temperature range
Storage temperature range
RMS Isolation voltage (MBRF type only) from terminals
to heatsink with t = 1 second, RH
≤
30%
I
FSM
I
RRM
dv/dt
T
J
T
STG
V
ISOL
200
2.0
10,000
–65 to +150
–65 to +175
4500
(1)
3500
(2)
1500
(3)
A
A
V/µs
°C
°C
V
Electrical Characteristics
(T
Parameter
Maximum instantaneous
forward voltage per leg at
(4)
:
I
F
= 20A,
I
F
= 30A,
I
F
= 30A,
C
= 25°C unless otherwise noted)
Symbol
T
C
= 125°C
T
C
= 25°C
T
C
= 125°C
T
J
= 25°C
T
J
= 125°C
V
F
Value
0.60
0.76
0.72
1.0
60
Unit
V
Maximum instantaneous reverse current
per leg at rated DC blocking voltage
(4)
I
R
mA
Thermal Characteristics
(T
Parameter
Typical thermal resistance per leg
C
= 25°C unless otherwise noted)
Symbol
R
ΘJC
MBR
1.5
MBRF
4.5
MBRB
1.5
Unit
°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
MBR3045CT, MBRF3045CT
& MBRB3045CT /CT-1
Series
Dual Schottky Rectifiers
Ratings and
Characteristic Curves per leg
Fig. 1 – Forward Current
Derating Curve
30
Resistive or Inductive Load
300
(T
A
= 25°C unless otherwise noted)
Fig. 2 – Maximum Non-Repetitive
Peak Forward Surge Current Per Leg
Peak Forward Surge Current (A)
T
J
= T
J
max.
8.3ms Single half sine-wave
(JEDEC Method)
Average Forward Current (A)
24
250
200
150
18
12
100
50
0
6
0
0
50
100
150
1
10
100
Case Temperature (°C)
Number of Cycles at 60 H
Z
Fig. 3 – Typical Instantaneous
Forward Characteristics Per Leg
I
R
— Instantaneous Reverse Current (mA)
I
F
— Instantaneous Forward Current (A)
50
T
J
= 150°C
50
10
Fig. 4 – Typical Reverse
Characteristics Per Leg
10
T
J
= 125°C
1.0
75°C
0.1
1.0
T
J
= 25¡C
0.1
0.01
25°C
0.001
0
0.01
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 – Typical Junction Capacitance
Per Leg
5,000
100
Fig. 6 – Typical Transient
Thermal Impedance Per Leg
Transient Thermal Impedance (°C/W)
pF — Junction Capacitance
T
J
= 25°C
f = 1.0 MH
Z
V
sig
= 50mVp-p
10
1,000
1
100
0.1
1
10
100
0.1
0.01
0.1
1
10
100
Reverse Voltage (V)
t — Pulse Duration (sec.)
MBR3045CT, MBRF3045CT
& MBRB3045CT /CT-1
Series
Dual Schottky Rectifiers
TO-220AB
(MBR3045CT, MBR3045CT)
0.415 (10.54) MAX.
0.154 (3.91)
0.370 (9.40)
0.360 (9.14)
0.148 (3.74)
0.113 (2.87)
0.103 (2.62)
0.145 (3.68)
0.135 (3.43)
0.410 (10.41)
0.390 (9.91)
1
0.160 (4.06)
0.140 (3.56)
PIN
2
3
0.603 (15.32)
0.573 (14.55)
0.055 (1.39)
0.045 (1.14)
0.140 (3.56)
DIA.
0.130 (3.30)
ITO-220AB
(MBRF3045CT, MBRF3045CT)
0.185 (4.70)
0.175 (4.44)
0.405 (10.27)
0.383 (9.72)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.131 (3.39)
DIA.
0.122 (3.08)
0.600 (15.5)
0.580 (14.5)
PIN
1
2
3
0.676 (17.2)
0.646 (16.4)
0.350 (8.89)
0.330 (8.38)
0.635 (16.13)
0.625 (15.87)
0.350 (8.89)
0.330 (8.38)
1.148 (29.16)
1.118 (28.40)
0.110 (2.79)
0.100 (2.54)
0.560 (14.22)
0.530 (13.46)
0.191 (4.85)
0.171 (4.35)
0.560 (14.22)
0.530 (13.46)
0.060 (1.52)
PIN 1
PIN 3
PIN 2
CASE
0.110 (2.80)
0.100 (2.54)
PIN 1
PIN 3
PIN 2
CASE
0.105 (2.67)
0.095 (2.41)
0.104 (2.65)
0.096 (2.45)
0.035 (0.90)
0.028 (0.70)
0.205 (5.20)
0.195 (4.95)
0.022 (0.56)
0.014 (0.36)
0.105 (2.67)
0.095 (2.41)
0.037 (0.94)
0.027 (0.69)
0.022 (0.55)
0.014 (0.36)
0.205 (5.20)
0.195 (4.95)
TO-262AA
(MBRB3045CT-1, MBRB3045CT-1)
0.411 (10.45)
Max
30
°
(Typ)
(REF)
0.250 (6.35)
Min.
K
0.051
±
0.004
0.050
±
0.005
0.180
±
0.005
TO-263AB
(MBRB3045CT, MBRB3045CT)
0.411 (10.45)
0.380 (9.65)
0.245 (6.22)
MIN
K
0.055 (1.40)
0.047 (1.19)
0.624 (15.85)
1
K
2
0.591 (15.00)
0-0.01 (0-0.254)
0.110 (2.79)
0.190 (4.83)
0.160 (4.06)
0.055 (1.40)
0.045 (1.14)
0.360 (9.14)
0.340
±
0.010
1
PIN
2
3
0.541
±
0.010
0.391
±
0.010
0.320 (8.13)
0.105
±
0.005
0.545
±
0.015
0.936
±
0.015
PIN 1
PIN 3
PIN 2
K
Heatsink
0.090 (2.29)
0.037 (0.940)
0.027 (0.686)
0.105 (2.67)
0.095 (2.41)
PIN 1
PIN 2
K - HEATSINK
0.021 (0.53)
0.014 (0.36)
0.140 (3.56)
0.110 (2.79)
0.205 (5.20)
0.195 (4.95)
0.032
±
0.005
0.100
±
2.65
0.200
±
0.005
0.022 (0.56)
0.014 (0.36)
Mounting Pad Layout TO-263AB
0.42
(10.66)
Dimensions in inches
and (millimeters)
0.33
(8.38)
0.63
(17.02)
0.08
(2.032)
0.24
(6.096)
0.12
(3.05)
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