MBR7.. Series
Vishay High Power Products
Schottky Rectifier, 7.5 A
FEATURES
• 150 °C TJ operation
Base
cathode
2
• High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
• High frequency operation
• Low forward voltage drop
TO-220AC
• Guard ring for enhanced ruggedness and long term
reliability
3
Anode
1
Cathode
• Designed and qualified for industrial level
DESCRIPTION
PRODUCT SUMMARY
IF(AV)
The MBR7.. Schottky rectifier has been optimized for low
reverse leakage at high temperature. The proprietary barrier
technology allows for reliable operation up to 150 °C junction
temperature. Typical applications are in switching power
supplies, converters, freewheeling diodes, and reverse
battery protection.
7.5 A
VR
35 to 45 V
IRM
15 mA at 125 °C
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
IF(AV)
CHARACTERISTICS
Rectangular waveform
VRRM
IFSM
tp = 5 µs sine
VF
7.5 Apk, TJ = 125 °C
TJ
Range
VALUES
UNITS
7.5
A
35 to 45
V
690
A
0.57
V
- 65 to 150
°C
MBR735
MBR745
UNITS
35
45
V
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
VR
VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
SYMBOL
IF(AV)
TEST CONDITIONS
TC = 131 °C, rated VR
5 µs sine or 3 µs rect. pulse
Non-repetitive peak surge current
IFSM
Following any rated load
condition and with rated
VRRM applied
Surge applied at rated load condition half wave
single phase 60 Hz
Non-repetitive avalanche energy
Repetitive avalanche current
Document Number: 93456
Revision: 22-Aug-08
VALUES
UNITS
7.5
A
690
A
150
EAS
TJ = 25 °C, IAS = 2 A, L = 3.5 mH
7
mJ
IAR
Current decaying linearly to zero in 1 µs
Frequency limited by TJ maximum VA = 1.5 x VR typical
2
A
For technical questions, contact: diodes-tech@vishay.com
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1
MBR7.. Series
Vishay High Power Products Schottky Rectifier, 7.5 A
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
15 A
VFM (1)
Maximum forward voltage drop
TJ = 25 °C
7.5 A
TJ = 125 °C
15 A
IRM (1)
Maximum instantaneous reverse current
Maximum junction capacitance
CT
Typical series inductance
LS
Maximum voltage rate of change
Note
(1) Pulse width < 300 µs, duty cycle < 2 %
dV/dt
TJ = 25 °C
Rated DC voltage
TJ = 125 °C
VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C
Measured from top of terminal to mounting plane
Rated VR
VALUES
UNITS
0.84
V
0.57
0.72
0.1
mA
15
400
pF
8.0
nH
1000
V/µs
VALUES
UNITS
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
Maximum junction temperature range
TJ
- 65 to 150
Maximum storage temperature range
TStg
- 65 to 175
Maximum thermal resistance,
junction to case
RthJC
DC operation
3.0
Typical thermal resistance,
case to heatsink
RthCS
Mounting surface, smooth and greased
0.50
°C/W
2
g
0.07
oz.
minimum
6 (5)
maximum
12 (10)
kgf · cm
(lbf · in)
Approximate weight
Mounting torque
Marking device
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2
°C
Case style TO-220AC
For technical questions, contact: diodes-tech@vishay.com
MBR745
Document Number: 93456
Revision: 22-Aug-08
MBR7.. Series
100
Vishay High Power Products
100
10
IR - Reverse Current (mA)
IF - Instantaneous Forward Current (A)
Schottky Rectifier, 7.5 A
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
1
TJ = 150 °C
10
TJ = 125 °C
1
TJ = 100 °C
0.1
TJ = 75 °C
0.01
TJ = 50 °C
0.001
TJ = 25 °C
0.0001
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
5
10
15
20
25
30
35
40
45
VFM - Forward Voltage Drop (V)
VR - Reverse Voltage (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
(Per Leg)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
CT - Junction Capacitance (pF)
1000
TJ = 25 °C
100
10
0
30
20
40
50
VR - Reverse Voltage (V)
ZthJC - Thermal Impedance (°C/W)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
10
1
PDM
0.1
t1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.01
Single pulse
(thermal resistance)
0.001
0.00001
0.0001
0.001
0.01
t2
Notes:
1. Duty factor D = t1/t2 .
2. Peak TJ = PDM x ZthJC + TC
0.1
1
10
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
Document Number: 93456
Revision: 22-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
MBR7.. Series
Vishay High Power Products Schottky Rectifier, 7.5 A
7
140
Average Power Loss (W)
Allowable Case Temperature (°C)
150
DC
Square wave (D = 0.50)
Rated VR applied
130
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
6
5
4
RMS limit
3
2
DC
1
See note (1)
120
0
0
2
4
6
8
12
10
2
0
4
6
8
10
12
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
IFSM - Non-Repetitive Surge Current (A)
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
1000
At any rated load condition
and with rated VRRM applied
following surge
100
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
Note
Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = Rated VR
(1)
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4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93456
Revision: 22-Aug-08
MBR7.. Series
Schottky Rectifier, 7.5 A
Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
MBR
7
45
-
1
2
3
4
1
-
Schottky MBR series
2
-
Current rating (7.5 A)
3
-
Voltage ratings
4
-
35 = 35 V
45 = 45 V
None = Standard production
PbF = Lead (Pb)-free
LINKS TO RELATED DOCUMENTS
Dimensions
http://www.vishay.com/doc?95221
Part marking information
http://www.vishay.com/doc?95224
SPICE model
http://www.vishay.com/doc?95298
Document Number: 93456
Revision: 22-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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