DST1045S Datasheet, PDF (1/3 Pages) Littelfuse – High frequency operation

DST1045S
Schottky Barrier Rectifier
DST1045S, 10A, 45V, TO-277B, Single
RoHS Pb
Description
Littelfuse DST series Ultra Low V_F Schottky Barrier
Rectifier is designed to meet the general requirements
of commercial and industry applications by providing high
temperature, low leakage and lower V_F products.
It is suitable for high frequency switching mode power
supply, free-wheeling diodes and polarity protection
diodes.
Pin out
K
Cathode
Anode 1
Anode 2
Features
• Ultra low forward voltage
drop
• High frequency operation
• High junction
temperature capability
• Guard ring for enhanced
ruggedness and long
term reliability
• Single die in TO-277B
Package
Applications
• Switching mode power
supply
• DC/DC converters
• Free-Wheeling diodes
• Polarity Protection Diodes
Maximum Ratings
Parameters
Peak Inverse Voltage
Average Forward Current
(per device) *
Peak One Cycle Non-Repetitive Surge
Current (per leg)
* Mounted on 30 mm x 30 mm pad areas aluminum PCB
Symbol
V_RWM
I_F(AV)
I_FSM
Test Conditions
-
50% duty cycle @T_M =121°C
rectangular wave form
8.3 ms, half Sine pulse
Max
45
10
150
Unit
V
A
A
Electrical Characteristics
Parameters
Forward Voltage Drop (per leg) *
Reverse Current (per leg) *
Junction Capacitance (per leg)
* Pulse Width < 300μs, Duty Cycle <2%
Symbol
V_F1
V_F2
I_R1
I_R2
C_T
Test Conditions
@5A, Pulse, T_J = 25 °C
@10A, Pulse, T_J = 25 °C
@5A, Pulse, T_J = 125 °C
@10A, Pulse, T_J = 125 °C
@V_R = rated V_R, T_J = 25 °C
@V_R = rated V_R, T_J = 125 °C
@V_R = 5V, T_C = 25 °C, fSIG = 1MHz
Typ
0.43
0.49
0.33
0.41
0.017
15
639
Max
-
0.57
-
-
0.80
100
-
Unit
V
mA
pF
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16