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1
Rectifier Device Data
Designer's Data Sheet
SWITCHMODE Power Rectifier
D2PAK Surface Mount Power Package
The D2PAK Power Rectifier employs the Schottky Barrier principle with a
platinum barrier metal. These state-of-the-art devices have the following
features:
Center-Tap Configuration
Guardring for Stress Protection
Low Forward Voltage
150°C Operating Junction Temperature
Epoxy Meets UL94, VO at 1/8″
Guaranteed Reverse Avalanche
Short Heat Sink Tab Manufactured — Not Sheared!
Similar in Size to the Industry Standard TO-220 Package
Mechanical Characteristics
Case: Epoxy, Molded
Weight: 1.7 grams (approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal Leads are
Readily Solderable
Lead and Mounting Surface Temperature for Soldering Purposes: 260°C
Max. for 10 Seconds
Shipped 50 units per plastic tube
Available in 24 mm Tape and Reel, 800 units per 13″ reel by adding a “T4”
suffix to the part number
Marking: B1545T
MAXIMUM RATINGS, PER LEG
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
45
Volts
Average Rectified Forward Current
(Rated VR) TC = 105°C
Total Device
IF(AV)
7.5
15
Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 105°C
IFRM
15
Amps
Non-repetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
IFSM
150
Amps
Peak Repetitive Reverse Surge Current (2.0
s, 1.0 kHz)
IRRM
1.0
Amp
Storage Temperature
Tstg
– 65 to +175
°C
Operating Junction Temperature
TJ
– 65 to +150
°C
Voltage Rate of Change (Rated VR)
dv/dt
10000
V/
s
THERMAL CHARACTERISTICS, PER LEG
Thermal Resistance — Junction to Case
— Junction to Ambient (1)
R
θJC
R
θJA
2.0
50
°C/W
(1) When mounted using minimum recommended pad size on FR-4 board.
Designer’s Data for “Worst Case” Conditions — The Designer’s Data Sheet permits the design of most circuits entirely from the information presented. SOA Limit
curves — representing boundaries on device characteristics — are given to facilitate “worst case” design.
Designer’s and SWITCHMODE are trademarks of Motorola, Inc.
Thermal Clad is a trademark of the Bergquist Company
Preferred devices are Motorola recommended choices for future use and best overall value.
Motorola, Inc. 1996
Order this document
by MBRB1545CT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MBRB1545CT
SCHOTTKY BARRIER
RECTIFIER
15 AMPERES
45 VOLTS
CASE 418B-02
D2PAK
4
3
1
Motorola Preferred Device
1
3
4
Rev 2