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DST2045AX Datasheet, PDF (1/3 Pages) Littelfuse – High frequency operation
Schottky Barrier Rectifier
DST2045AX, 20A, 45V, Axial, Single
DST2045AX
RoHS Pb
Description
Littelfuse DST series Ultra Low VF Schottky Barrier
Rectifier is designed to meet the general requirements
of commercial and industry applications by providing high
temperature, low leakage and lower VF products.
It is suitable for high frequency switching mode power
supply, free-wheeling diodes and polarity protection
diodes.
Pin out
Anode
Features
• Ultra low forward voltage
drop
• H igh frequency operation
• H igh junction
temperature capability
• Guard ring for enhanced
ruggedness and long
term reliability
• Single die in P600
package
Cathode
Maximum Ratings
Parameters
Peak Inverse Voltage
Average Forward Current (per device)
Peak One Cycle Non-Repetitive Surge
Current (per leg)
Electrical Characteristics
Parameters
Forward Voltage Drop (per leg) *
Reverse Current (per leg) *
* Pulse Width < 300μs, Duty Cycle <2%
Symbol
VRWM
IF(AV)
IFSM
Symbol
VF1
VF2
IR1
IR2
Applications
• Switching mode power
supply
• DC/DC converters
• Free-Wheeling diodes
• Polarity Protection Diodes
Test Conditions
-
50% duty cycle @TA =25°C
rectangular wave form
8.3 ms, half Sine pulse
Max
45
20
250
Unit
V
A
A
Test Conditions
@20A, Pulse, TJ = 25 °C
@20A, Pulse, TJ = 125 °C
@VR = rated VR TJ = 25 °C
@VR = rated VR TJ = 125 °C
Max
0.58
0.50
1.2
35
Unit
V
mA
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16