© Semiconductor Components Industries, LLC, 2010
March, 2010 Rev. 8
1Publication Order Number:
MBR4045WT/D
MBR4045WT
SWITCHMODE
Power Rectifier
Features and Benefits
Low Forward Voltage
Low Power Loss/High Efficiency
High Surge Capacity
175°C Operating Junction Temperature
40 A Total (20 A Per Diode Leg)
PbFree Package is Available*
Applications
Power Supply Output Rectification
Power Management
Instrumentation
Mechanical Characteristics
Case: Epoxy, Molded
Epoxy Meets UL 94 V0 @ 0.125 in
Weight: 4.3 Grams (Approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
Lead Temperature for Soldering Purposes:
260°C Max. for 10 Seconds
ESD Rating: Human Body Model 3B
Machine Model C
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Device Package Shipping
ORDERING INFORMATION
MBR4045WT TO247
TO247AC
CASE 340L
STYLE 2
30 Units/Rail
2
1
SCHOTTKY BARRIER
RECTIFIER
40 AMPERES, 45 VOLTS
1
3
2, 4
3
MARKING DIAGRAM
MBR4045WT
AYWWG
http://onsemi.com
MBR4045WT = Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = PbFree Package
MBR4045WTG TO247
(PbFree)
30 Units/Rail
MBR4045WT
http://onsemi.com
2
MAXIMUM RATINGS
Rating Symbol Max Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
45 V
Average Rectified Forward Current
(Rated VR, TC = 125°C) Per Diode
Per Device
IF(AV)
20
40
A
Peak Repetitive Forward Current,
(Rated VR, Square Wave, 20 kHz, TC = 90°C) Per Diode
IFRM 40 A
NonRepetitive Peak Surge Current
(Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz)
IFSM 400 A
Peak Repetitive Reverse Current (2.0 ms, 1.0 kHz) IRRM 2.0 A
Storage Temperature Range Tstg 65 to +175 °C
Operating Junction Temperature (Note 1) TJ65 to +175 °C
Peak Surge Junction Temperature (Forward Current Applied) TJ(pk) 175 °C
Voltage Rate of Change dv/dt 10,000 V/ms
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. The heat generated must be less than the thermal conductivity from JunctiontoAmbient: dPD/dTJ < 1/RqJA.
THERMAL CHARACTERISTICS
Characteristic Conditions Symbol Max Unit
Maximum Thermal Resistance, JunctiontoCase Min. Pad RqJC 1.4 °C/W
Maximum Thermal Resistance, JunctiontoAmbient Min. Pad RqJA 50.1 °C/W
ELECTRICAL CHARACTERISTICS
Characteristic Symbol Min Typical Max Unit
Instantaneous Forward Voltage (Note 2)
@ IF = 20 Amps, TJ = 25°C
@ IF = 20 Amps, TJ = 125°C
@ IF = 40 Amps, TJ = 25°C
@ IF = 40 Amps, TJ = 125°C
VF
0.52
0.47
0.65
0.63
0.70
0.60
0.80
0.75
V
Instantaneous Reverse Current (Note 2)
@ Rated DC Voltage, TJ = 25°C
@ Rated DC Voltage, TJ = 100°C
IR
0.09
7.5
1.0
50
mA
2. Pulse Test: Pulse Width = 300 ms, Duty Cycle < 2.0%
MBR4045WT
http://onsemi.com
3
TYPICAL ELECTRICAL CHARACTERISTICS
Figure 1. Typical Forward Voltage Figure 2. Typical Reverse Current
Figure 3. Typical Capacitance Per Leg Figure 4. Current Derating Per Leg
VR, REVERSE VOLTAGE (VOLTS)
IR, REVERSE CURRENT (mA)
vF
, INSTANTANEOUS FORWARD VOLTAGE (mV)
iF, INSTANTANEOUS FORWARD CURRENT (AMPS)
VR, REVERSE VOLTAGE (VOLTS)
C, CAPACITANCE (pF)
TC, CASE TEMPERATURE (°C)
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
100
10
1800700600500400300200100
TC = 150°C
TC = 100°CTC = 25°C
TC = 150°C
TC = 100°C
TC = 25°C
100
01020304050
10
1
0.1
0.01
10000
1
1000
100 10 100
30
100
25
20
15
10
5
0110 120 130 140 150 160
SQUARE WAVE
(VR = 45 V)
DC
MBR4045WT
http://onsemi.com
4
PACKAGE DIMENSIONS
TO247
CASE 340L02
ISSUE E
STYLE 2:
PIN 1. ANODE
2. CATHODE (S)
3. ANODE 2
4. CATHODES (S)
N
P
A
K
W
F
D
G
U
E
0.25 (0.010) MYQS
J
H
C
4
123
T
B
Y
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
2 PL
3 PL
0.63 (0.025) MTBM
Q
LDIM MIN MAX MIN MAX
INCHESMILLIMETERS
A20.32 21.08 0.800 8.30
B15.75 16.26 0.620 0.640
C4.70 5.30 0.185 0.209
D1.00 1.40 0.040 0.055
E1.90 2.60 0.075 0.102
F1.65 2.13 0.065 0.084
G5.45 BSC 0.215 BSC
H1.50 2.49 0.059 0.098
J0.40 0.80 0.016 0.031
K19.81 20.83 0.780 0.820
L5.40 6.20 0.212 0.244
N4.32 5.49 0.170 0.216
P--- 4.50 --- 0.177
Q3.55 3.65 0.140 0.144
U6.15 BSC 0.242 BSC
W2.87 3.12 0.113 0.123
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
N. American Technical Support: 8002829855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81357733850
MBR4045WT/D
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 3036752175 or 8003443860 Toll Free USA/Canada
Fax: 3036752176 or 8003443867 Toll Free USA/Canada
Email: orderlit@onsemi.com
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your loca
l
Sales Representative
SWITCHMODE is a trademark of Semiconductor Components Industries, LLC.