### FAIRCHILD MBRP745

```MBRP745
MBRP745
Features
• Low forward voltage drop
• High frequency properties and switching speed
• Guard ring for over-voltage protection
Applications
1
• Switched mode power supply
• Freewheeling diodes
TO-220-2L
2
1. Cathode
2. Anode
SCHOTTKY BARRIER RECTIFIER
Absolute Maximum Ratings TC=25°°C unless otherwise noted
Symbol
VRRM
Parameter
Maximum Repetitive Reverse Voltage
VR
Maximum DC Reverse Voltage
IF(AV)
Average Rectified Forward Current
IFSM
Non-repetitive Peak Surge Current (per diode)
60Hz Single Half-Sine Wave
TJ, TSTG
Operating Junction and Storage Temperature
@ TC = 110°C
Value
45
Units
V
45
V
7.5
A
150
A
-65 to +150
°C
Value
3.0
Units
°C/W
Value
Units
V
Thermal Characteristics
Symbol
RθJC
Parameter
Maximum Thermal Resistance, Junction to Case (per diode)
Electrical Characteristics (per diode)
Symbol
VFM *
Parameter
Maximum Instantaneous Forward Voltage
IF = 7.5A
IF = 7.5A
IF = 15A
IF = 15A
IRM *
Maximum Instantaneous Reverse Current
@ rated VR
TC = 25 °C
TC = 125 °C
TC = 25 °C
TC = 125 °C
0.65
0.57
0.80
0.65
TC = 25 °C
TC = 125 °C
1
40
mA
* Pulse Test: Pulse Width=300µs, Duty Cycle=2%
Rev. A, January 2004
MBRP745
Typical Characteristics
100
o
T J=150 C
Reverse Current, IR[mA]
Forward Current, I F[A]
10
1
o
TJ=125 C
0.1
o
TJ=75 C
o
TJ=25 C
0.01
0.0
10
o
TJ =125 C
1
o
T J=75 C
0.1
0.01
o
TJ=25 C
1E-3
0.5
1.0
0
1.5
10
Forward Voltage Drop, VF[V]
Figure 1. Typical Forward Voltage Characteristics
(per diode)
C/W]
o
TJ=25 C
400
Transient Thermal Impedance [
Juntion Capacitance, C J[pF]
o
500
300
200
100
90
80
0
10
20
30
40
1
100µ
Figure 3. Typical Junction Capacitance
(per diode)
10m
100m
1
10
Figure 4. Thermal Impedance Characteristics
(per diode)
180
[A]
18
12
9
6
3
0
20
40
60
80
100
120
140
160
o
Case Temperature, TC[ C]
Figure 5. Forward Current Derating Curve
Max. Forward Surge Current, I
FSM
DC
15
0
1m
Pulse Duration [s]
Reverse Voltage, VR[V]
[A]
40
10
600
F(AV)
30
Figure 2. Typical Reverse Current
vs. Reverse Voltage (per diode)
700
Average Forward Current, I
20
Reverse Voltage, VR[V]
160
140
120
100
80
60
40
1
10
100
Number of Cycles @ 60Hz
Figure 6. Non-Repetitive Surge Current
(per diode)
Rev. A, January 2004
MBRP745
Package Dimsions
TO-220-2L
Dimensions in Millimeters
Rev. A, January 2004
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DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
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which, (a) are intended for surgical implant into the body,
device or system whose failure to perform can be
or (b) support or sustain life, or (c) whose failure to perform
reasonably expected to cause the failure of the life support
when properly used in accordance with instructions for use
device or system, or to affect its safety or effectiveness.
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Formative or In
Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
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This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.