VS-MBRB4045CTPbF, VS-MBR4045CT-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
S-MBRB4045CTPbF
VS-MBR4045CT-1PbF
FEATURES
• 150 °C TJ operation
• Low forward voltage drop
• High frequency operation
2
• Center tap TO-220, D
PAK and TO-262
packages
Base
common
cathode
2
Base
common
cathode
2
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
• Guard ring for enhanced ruggedness and long
term reliability
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
1
Anode Anode
2
Common
cathode
2
D
PAK
3
1
Anode Anode
2
Common
cathode
3
TO-262
• Halogen-free according to IEC 61249-2-21 definition
• Compliant to RoHS directive 2002/95/EC
• AEC-Q101 qualified
DESCRIPTION
The center tap Schottky rectifier has been optimized for low
PRODUCT SUMMARY
I
F(AV)
V
R
I
RM
2 x 20 A
45 V
95 mA at 125 °C
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.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
I
F(AV)
I
FRM
V
I
FSM
V
T
RRM
F
J
Rectangular waveform (per device) 40
TC = 118 °C (per leg) 40
45 V
tp = 5 μs sine 900 A
20 Apk, TJ = 125 °C 0.58 V
Range - 65 to 150 °C
A
VOLTAGE RATINGS
PARAMETER SYMBOL
Maximum DC reverse voltage V
Maximum working peak reverse voltage V
R
RWM
VS-MBRB4045CTPbF
VS-MBR4045CT-1PbF
45 V
UNITS
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average
forward current
per leg
per device 40
Peak repetitive forward current per leg I
Maximum peak one cycle non-repetitive
peak surge current per leg
Non-repetitive avalanche energy per leg E
Repetitive avalanche current per leg I
I
F(AV)
FRM
I
FSM
TC = 118 °C, rated V
R
Rated VR, square wave, 20 kHz, TC = 118 °C 40
5 μs sine or 3 μs rect. pulse
Following any rated
load condition and with
10 ms sine or 6 ms rect. pulse 210
TJ = 25 °C, IAS = 3 A, L = 4.4 mH 20 mJ
AS
AR
Current decaying linearly to zero in 1 μs
Frequency limited by T
maximum VA = 1.5 x VR typical
J
rated V
RRM
applied
20
A
900
3A
Document Number: 94311 For technical questions, contact: diodestech@vishay.com
www.vishay.com
Revision: 16-Mar-10 1
VS-MBRB4045CTPbF, VS-MBR4045CT-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
20 A
Maximum forward voltage drop V
FM
(1)
20 A
40 A 0.78
40 A 0.75
TJ = 25 °C
Maximum instantaneous
reverse current
Maximum junction capacitance C
Typical series inductance L
(1)
I
RM
T
S
= 100 °C 50
J
T
= 125 °C 95
J
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 900 pF
Measured from top of terminal to mounting plane 8.0 nH
Maximum voltage rate of change dV/dt Rated V
T
= 25 °C
J
= 125 °C
T
J
Rated DC voltage
R
0.60
0.58
1
10 000 V/μs
Note
(1)
Pulse width < 300 μs, duty cycle < 2 %
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction temperature range T
Maximum storage temperature range T
Maximum thermal resistance,
junction to case per leg
Typical thermal resistance,
case to heatsink
Maximum thermal resistance,
junction to ambient
R
R
R
Approximate weight
Mounting torque
minimum
maximum 12 (10)
Marking device
J
Stg
thJC
thCS
thJA
DC operation 1.5
Mounting surface, smooth and greased
(Only for TO-220)
DC operation
2
PAK and TO-262)
(For D
Non-lubricated threads
2
Case style D
PAK MBRB4045CT
Case style TO-262 MBR4045CT-1
- 65 to 150
- 65 to 175
0.50
50
2g
0.07 oz.
6 (5)
kgf · cm
(lbf · in)
V
mAT
°C
°C/W
www.vishay.com For technical questions, contact: diodestech@vishay.com
Document Number: 94311
2 Revision: 16-Mar-10