Datasheet

UNISONIC TECHNOLOGIES CO., LTD
MBR545
Preliminary
DIODE
SCHOTTKY BARRIER
RECTIFIER
+
-

DESCRIPTION
SMA
(JEDEC DO-214AC)
The UTC MBR545 is a schottky barrier rectifier, it uses UTC’s
advanced technology to provide customers with low forward voltage
drop, high current capability and high efficiency, etc.
The UTC MBR545 is suitable for use in free wheeling, high
frequency inverters, low voltage and polarity protection applications.
+
-

FEATURES
SMB
(JEDEC DO-214AA)
* Low forward voltage drop
* High efficiency
* Low power loss
* High surge capability
* High current capability

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
MBR545L-SMA-R
MBR545G-SMA-R
MBR545L-SMB-R
MBR545G-SMB-R
Note: Pin Assignment: A: Anode
K: Cathode

Package
SMA
SMB
Pin Assignment
1
2
K
A
K
A
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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MBR545

Preliminary
DIODE
ABSOLUTE MAXIMUM RATINGS
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
VDC
45
V
RMS Voltage
VRMS
31.5
V
Recurrent Peak Reverse Voltage
VRRM
45
V
Average Rectified Output Current
IO
5.0
A
Non-Repetitive Peak Forward Surge Current: 8.3ms Single
IFSM
150
A
Half Sine-Wave Superimposed on Rated Load
Operating Junction Temperature
TJ
-65~+150
°C
Storage Temperature
TSTG
-65~+150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

THERMAL RESISTANCES CHARACTERISTICS
PARAMETER
Junction to Ambient (Note 1)

SYMBOL
θJA
RATINGS
50
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
PARAMETER
SYMBOL
TEST CONDITIONS
Forward Voltage Drop (Note 2)
VF
IF=5.0A
Peak Reverse Current
TJ=25°C
IR
at Rated DC Blocking Voltage
TJ=100°C
Notes: 1. Minimum Pad Area.
2. Pulse test: 300μs pulse width, 1% duty cycle.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
TYP MAX UNIT
0.70
V
0.05 mA
10
mA
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MBR545
Preliminary
DIODE
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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