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MBR3035WT/MBR3045WT
Vishay High Power Products
Schottky Rectifier, 2 x 15 A
Base common cathode 2
FEATURES
* * * * * 150 C TJ operation Center tap TO-247 package Very low forward voltage drop High frequency operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance * Guard ring for enhanced ruggedness and long term reliability * Designed and qualified for industrial level
TO-247AC
1 3 Anode Anode 2 1 2 Common cathode
DESCRIPTION
The MBR30..WT center tap Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. 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.
PRODUCT SUMMARY
IF(AV) VR IRM 2 x 15 A 35/45 V 100 mA at 125 C
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL IF(AV) IFRM VRRM IFSM VF TJ tp = 5 s sine 20 Apk, TJ = 125 C Range CHARACTERISTICS Rectangular waveform (per device) TC = 125 C (per leg) VALUES 30 30 35/45 1020 0.60 - 65 to 150 UNITS A V A V C
VOLTAGE RATINGS
PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM MBR3035WT 35 MBR3045WT 45 UNITS V
ABSOLUTE MAXIMUM RATINGS
PARAMETER Maximum average forward current per leg per device SYMBOL IF(AV) IFRM TEST CONDITIONS TC = 125 C, rated VR Rated VR, square wave, 20 kHz TC = 125 C 5 s sine or 3 s rect. pulse Non-repetitive peak surge current IFSM Following any rated load condition and with rated VRRM applied VALUES 15 30 30 1020 A UNITS
Peak repetitive forward current per leg
Surge applied at rated load conditions half wave, single phase, 60 Hz Peak repetitive reverse surge current IRRM 2.0 s 1.0 kHz
200 2.0
Document Number: 93448 Revision: 21-Aug-08
For technical questions, contact: diodes-tech@vishay.com
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MBR3035WT/MBR3045WT
Vishay High Power Products Schottky Rectifier, 2 x 15 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL 30 A Maximum forward voltage drop VFM (1) 20 A 30 A Maximum instantaneous reverse current Threshold voltage Forward slope resistance Maximum junction capacitance Typical series inductance Maximum voltage rate of change Note (1) Pulse width < 300 s, duty cycle < 2 % IRM (1) VF(TO) rT CT LS dV/dt TJ = 25 C TJ = 125 C TJ = TJ maximum VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 C Measured from top of terminal to mounting plane Rated VR TEST CONDITIONS TJ = 25 C TJ = 125 C VALUES 0.76 0.60 0.72 1.0 100 0.29 13.8 800 7.5 10 000 mA V m pF nH V/s V UNITS
Rated DC voltage
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER Maximum junction temperature range Maximum storage temperature range Maximum thermal resistance, junction to case per leg Typical thermal resistance, case to heatsink Approximate weight minimum maximum Case style TO-247AC (JEDEC) SYMBOL TJ TStg RthJC RthCS DC operation Mounting surface, smooth and greased TEST CONDITIONS VALUES - 65 to 150 - 65 to 175 1.40 C/W 0.24 6 0.21 6 (5) 12 (10) g oz. kgf * cm (lbf * in) UNITS C
Mounting torque
Marking device
MBR3035WT MBR3045WT
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 93448 Revision: 21-Aug-08
MBR3035WT/MBR3045WT
Schottky Rectifier, 2 x 15 A Vishay High Power Products
100
1000
IR - Reverse Current (mA)
100 10 1 0.1 0.01 0.001
TJ = 150 C TJ = 125 C TJ = 100 C TJ = 75 C TJ = 50 C TJ = 25 C
IF - Instantaneous Forward Current (A)
10
TJ = 150 C TJ = 125 C TJ = 25 C
1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
5
10
15
20
25
30
35
40
45
VFM - Forward Voltage Drop (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg)
VR - Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg)
1000
CT - Junction Capacitance (pF)
TJ = 25 C
100
0
10
20
30
40
50
VR - Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
ZthJC - Thermal Impedance (C/W)
10
1
PDM t1
0.1 Single pulse (thermal resistance) 0.01 0.00001
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
t2
Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10
0.0001
0.001
0.01
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
Document Number: 93448 Revision: 21-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com 3
MBR3035WT/MBR3045WT
Vishay High Power Products Schottky Rectifier, 2 x 15 A
150 16
Allowable Case Temperature (C)
140
DC
Average Power Loss (W)
14 12 10 8 6 4
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75
130
RMS limit
120
Square wave (D = 0.50) VR applied
110
DC
2 0
See note (1)
100
0
4
8
12
16
20
24
0
4
8
12
16
20
24
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg)
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
1000
IFSM - Non-Repetitive Surge Current (A)
At any rated load condition and with rated VRRM applied following surge
100
10
100
1000
10 000
tp - Square Wave Pulse Duration (s)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V
D.U.T.
IRFP460 Rg = 25
Current monitor
Fig. 8 - Unclamped Inductive Test Circuit Note (1) Formula used: T = T - (Pd + Pd C J REV) 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
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 93448 Revision: 21-Aug-08
MBR3035WT/MBR3045WT
Schottky Rectifier, 2 x 15 A Vishay High Power Products
ORDERING INFORMATION TABLE
Device code
MBR
1 1 2 3 4 5 -
30
2
45
3
WT
4
5
Schottky MBR series Current rating (30 = 30 A) Voltage ratings Circuit configuration: Center tap (dual) TO-247 None = Standard production PbF = Lead (Pb)-free 35 = 35 V 45 = 45 V
LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95223 http://www.vishay.com/doc?95226
Document Number: 93448 Revision: 21-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
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