Datasheet

UNISONIC TECHNOLOGIES CO., LTD
MBR4045C
DIODE
40A SCHOTTKY BARRIER
RECTIFIER

DESCRIPTION
The UTC MBR4045C is a 40A schottky barrier rectifier, it uses
UTC’s advanced technology to provide the customers with high
surge capability, high efficiency, high current capability, low power
loss and low forward voltage drop, etc.
The UTC MBR4045C is suitable for free wheeling and polarity
protection, etc.

FEATURES
* Low Reverse Current
* Low Stored Charge, Majority Carrier Conduction
* Low Power Loss/High Efficiency
* Highly Stable Oxide Passivated Junction

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
MBR4045CL-TA3-T
Note: Pin Assignment: A: Anode
MBR4045CL-TA3-T

Halogen Free
MBR4045CG-TA3-T
K: Cathode
Package
TO-220
Pin Assignment
1
2
3
A
K
A
Packing
Tube
(1)Packing Type
(1) T: Tube
(2)Package Type
(2) TA3: TO-220
(3)Green Package
(3) L: Lead Free, G: Halogen Free and Lead Free
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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MBR4045C

DIODE
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz, resistive or inductive load, for capacitive load current derate by 20%.
PARAMETER
SYMBOL
RATINGS
UNIT
Repetitive Peak Reverse Voltage
VRRM
45
V
Working Peak Reverse Voltage
VRWM
45
V
Maximum RMS Reverse Voltage
VRMS
45
V
DC Blocking Voltage
VR
31.5
V
Average Rectified Output Current Per Leg
20
A
IO
(Note 2) TC = 105°C
40
Total
Peak Forward Surge Current 8.3ms Single Half
IFSM
170
A
Sine-Wave Superimposed on Rated Load
Junction Temperature
TJ
-55~+150
°C
Storage Temperature
TSTG
-55~+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 DATA
PARAMETER
Junction to Ambient
Junction to Case

SYMBOL
θJA
θJC
RATINGS
62.5
2
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (Per Leg) (Note 2) (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
IF=20A, TC=25°C
Instantaneous Forward Voltage Drop
VF
IF=20A, TC=125°C
Rated DC Voltage, TC=25°C
Instantaneous Reverse Current
IR
Rated DC Voltage, TC=125°C
Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC
2. Pulse Test: Pulse Width = 300µs, Duty Cycle ≤ 2.0%
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
TYP MAX UNIT
0.70
V
0.60
V
1000 μA
100 mA
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MBR4045C
DIODE
TYPICAL CHARACTERISTICS

Typical Forward Characteristics
Forward Derating Curve (Pre Diode)
Average Rectified Current, IO (A)
28
24
20
16
12
8
4
0
0
25
50
75
100 125
150 175
Instantaneous Forward Current, IF (A)
100
IF Pulse
Width=300uS
25°C
10
1.0
0.1
0.2
0.4
0.6
0.8
1.0
Instantaneous Forward Voltage, VF (V)
Case Temperature, TC (°C)
Instantaneous Reverse Current, IR (A)
Typical Reverse Characteristics
1E-1
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
VR=45V
Pulse
Width=300uS
25
50
75
100
125
150
Case Temperature, TC (°C)
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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