INCHANGE Semiconductor
Schottky Barrier Rectifier
USD345C
FEATURES
·With
TO-3 packaging
·Low
leakage current, low power loss, high efficiency
·High
frequency operation
·High
surge capability
·Low
stored charge majority carrier conduction
·Minimum
Lot-to-Lot variations for robust device
performance and reliable operation
APPLICATIONS
·Switching
power supply
·High
frequency inverters
·Freewheeling
diodes
·Reverse
battery protection
·Polarity
protection applications
ABSOLUTE MAXIMUM RATINGS(T
a
=25
℃)
SYMBOL
V
RRM
V
RMS
V
R
I
F(AV)
PARAMETER
Peak Repetitive Reverse Voltage
RMS Voltage
DC Blocking Voltage
Average Rectified Forward Current @Tc=100℃
Nonrepetitive Peak Surge Current
(8.3ms single half sine-wave superimposed on
rated load conditions)
Junction Temperature
VALUE
UNI
T
V
45
30
A
I
FSM
500
A
T
J
-55~175
℃
T
stg
Storage Temperature Range
-55~200
℃
isc website
：
www.iscsemi.com
1
isc & iscsemi
is registered trademark
INCHANGE Semiconductor
Schottky Barrier Rectifier
USD345C
THERMAL CHARACTERISTICS
SYMBOL
R
th j-c
PARAMETER
Thermal Resistance,Junction to Case
MAX
1.4
UNIT
℃/W
ELECTRICAL CHARACTERISTICS
(Pulse Test: Pulse Width=300μs,Duty Cycle≤1%)
SYMBOL
PARAMETER
CONDITIONS
MAX
UNIT
I
F
= 10A ;Tc= 25
℃
V
F
Maximum Instantaneous Forward Voltage
I
F
= 20A ;Tc= 25
℃
I
F
= 20A ;Tc= 125
℃
0.57
0.66
0.60
V
I
R
Maximum Instantaneous Reverse Current
V
R
= rated V
RRM
; Tc= 25
℃
V
R
= rated V
RRM
; Tc= 125
℃
10
50
mA
Notice：
ISC reserves the rights to make changes of the content herein the datasheet at any time without
notification. The information contained herein is presented only as a guide for the applications of
our products.
ISC products are intended for usage in general electronic equipment. The products are not
designed for use in equipment which require specialized quality and/or reliability, or in equipment
which could have applications in hazardous environments, aerospace industry, or medical
field. Please contact us if you intend our products to be used in these special applications.
ISC makes no warranty or guarantee regarding the suitability of its products for any particular
purpose, nor does ISC assume any liability arising from the application or use of any products, and
specifically disclaims any and all liability, including without limitation special, consequential or
incidental damages.
isc website
：
www.iscsemi.com
2
isc & iscsemi
is registered trademark
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