Datasheet

Schottky Barrier Rectifier
DSTB2045C, 2x10A, 45V, TO-263, Common Cathode
DSTB2045C
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.
Features
• U
ltra low forward voltage
drop
Pin out
Heat sink
Heat sink
1
3
Anode
1
Pinout 1
D2-PAK & D-PAK
Common Cathode
Parameters
Symbol
Peak Inverse Voltage
VRWM
Cathode Common Cathode
Peak One Cycle Non-Repetitive
1
2Surge 3
Current (per leg)
Pinout 4
Electrical CharacteristicsITO-220AB
Common Anode
Parameters
Forward Voltage Drop (per leg) *
Reverse Current (per leg) *
* Pulse Width < 300μs, Duty Cycle <2%
2
3
supply
Pinout 2
TO-220AB
• D
C/DC converters
Common Cathode
Pinout 3
ITO-220AB
Common Cathode
Maximum Ratings
Anode
3Applications1
2
• C
ommon cathode
configuration in TO-263
package
igh junction
H
temperature capability
Anode Common Anode
Anode Common Anode
Cathode
• S
witching modeCathode
power
Anode
Average Forward Current
• High frequency operation
•
Common
Cathode
Common
Cathode
• G
uard ring for enhanced
ruggedness and long
term reliability
Test Conditions
• Free-Wheeling diodes
• Polarity Protection Diodes
Max
Unit
-
45
V
IF(AV)
50% duty cycle @TC =80°C
rectangular wave form
10 (per leg)
IFSM
8.3 ms,
Cathode
Heat sink
Cathode
20 (total device)
A
150
A
Pinout 5
TO-220AC
Test Conditions
Max
Unit
VF1
@10A, Pulse, TJ = 25 °C
0.58
VF2
@10A, Pulse, TJ = 125 °C
0.52
1
Symbol
half Sine
pulse
Anode
2
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
DSTB2045C, 2x10A, 45V, TO-263, 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
Typical Thermal Resistance
Junction to Case(per leg)
RthJC
3.0
°C/W
Approximate Weight
wt
1.85
g
DC operation
D2PAK (TO-263)
Case Style
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
DSTB2045C, 2x10A, 45V, TO-263, Common Cathode
Dimensions-D2PAK(TO-263)
Symbol
Millimeters
Min
Max
A
3.56
4.83
A1
0.51
1.40
A2
2.03
2.92
b
0.38
1.02
b1
1.14
1.78
c
0.31*
0.61
D
14.22
16.51
D1
8.38
9.15*
E
9.65
10.67
e
2.54
-
e1
4.98*
-
H1
5.84
6.86
L
12.70
14.73
L1
-
6.35
øP
3.53
4.09
Q
2.54
3.43
Footnote *: The spec. does not comply with JEDEC spec.
Carrier Tape & Reel Specification
Symbol
Part Numbering and Marking System
DSTB2045C
LF YYWWL
DST
B
20
45
C
LF
YY
WW
L
= Device Type
= Package type
= Forward Current (20A)
= Reverse Voltage (45V)
= Configuration
= Littelfuse
= Year
= Week
= Lot Number
Millimeters
Min
Max
A
10.70
10.90
B
16.03
16.23
C
5.11
5.31
d
ø1.45
ø1.65
E
1.65
1.85
F
11.40
11.60
P0
3.90
4.10
P
15.90
16.10
P1
1.90
2.10
W
23.90
24.30
Packing Options
Part Number
Marking
Packing Mode
M.O.Q
DSTB2045C
DSTB2045C
800pcs / reel
800
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16