Littelfuse DSTF2045C High frequency operation Datasheet

Schottky Barrier Rectifier
DSTF2045C, 2x10A, 45V, ITO-220AB, Common Cathode
DSTF2045C
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
Heat sink
on
e
Features
Common
Cathode
• U
ltra low forward voltage
drop
• High frequency operation
3
ode
K
e
1
3
2
1
Anode Common Anode
Cathode
2
• H
igh junction
temperature capability
3
Anode Common Anode
Cathode
Pinout 2
TO-220AB
Common Cathode
• G
uard ring for enhanced
ruggedness and long
term reliability
• C
ommon cathode
configuration in ITO220AB package
Applications
Pinout 3
ITO-220AB
Common Cathode
• S
witching mode power
supply
• Free-Wheeling diodes
• Polarity Protection Diodes
• DC/DC converters
Heat sink
MaximumCathode
Ratings
Cathode
3
Parameters
Symbol
Test Conditions
Max
Unit
Peak Inverse Voltage
VRWM
-
45
V
IF(AV)
50% duty cycle @TC =80°C
rectangular wave form
10 (per leg)
20 (total device)
IFSM
8.3 ms, half Sine pulse
150
A
Symbol
Test Conditions
Max
Unit
Cathode
1
Anode
2
Average Forward Current
Pinout 5
Peak TO-220AC
One Cycle Non-Repetitive Surge
Current (per leg)
A
Electrical Characteristics
Parameters
Forward Voltage Drop (per leg) *
Reverse Current (per leg) *
* Pulse Width < 300μs, Duty Cycle <2%
VF1
@10A, Pulse, TJ = 25 °C
0.58
VF2
@10A, Pulse, TJ = 125 °C
0.52
IR1
@VR = rated VR TJ = 25 °C
2
IR2
@VR = rated VR TJ = 125 °C
30
V
mA
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16
Schottky Barrier Rectifier
DSTF2045C, 2x10A, 45V, ITO-220AB, Common Cathode
Thermal-Mechanical Specifications
Parameters
Symbol
Test Conditions
Max
Unit
Junction Temperature
TJ
-55 to +150
°C
Storage Temperature
Tstg
-55 to +150
°C
Thermal Resistance Junction to
Case (per leg)
RthJC
6.0
°C/W
Approximate Weight
wt
2
g
Case Style
DC operation
ITO-220AB
Figure 1: Typical Forward Characteristics
Figure 2: Typical Reverse Characteristics
ºC
ºC
ºC
ºC
Figure 3: Typical Junction Capacitance
ºC
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16
Schottky Barrier Rectifier
DSTF2045C, 2x10A, 45V, ITO-220AB, Common Cathode
Dimensions- ITO-220AB
Symbol
Millimeters
Min
Typ
Max
A
4.30
4.50
4.70
A1
1.10
1.30
1.50
A2
2.80
3.00
3.20
A3
2.50
2.70
2.90
b
0.50
0.60
0.75
b1
1.10
1.20
1.35
b2
1.50
1.60
1.75
b3
1.20
1.30
1.45
b4
1.60
1.70
1.85
c
0.55
0.60
0.75
D
14.80
15.00
15.20
E
9.96
10.16
10.36
2.55
e
5.10
e1
H1
6.50
6.70
6.90
L
12.70
13.20
13.70
2.00
L1
1.60
1.80
L2
0.80
1.00
1.20
L3
0.60
0.80
1.00
øP1
øP2
3.30
3.50
3.70
2.99
3.19
3.39
Q
2.50
2.70
2.90
θ1
θ2
θ3
θ4
θ5
Packing Options
5°
4°
10°
5°
5°
Part Numbering and Marking System
Part Number
Marking
Packing Mode
M.O.Q
DSTF2045C
DSTF2045C
50pcs / Tube
1000
DSTF2045C
6
Tube Specification
LF YYWWL
PP
DST
F
20
45
C
LF
YY
WW
L
= Device Type
= Package type
= Forward Current (20A)
= Reverse Voltage (45V)
= Configuration
= Littelfuse
= Year
= Week
= Lot Number
PP
PP
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16
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