20TQ035/S
20TQ040/S
20TQ045/S
Technical Data
Data Sheet N0673, Rev. B
20TQ035/S 20TQ040/S 20TQ045/S
SCHOTTKY RECTIFIER
Applications
Switching power supply
Redundant power subsystems
Converters
Free-Wheeling diodes
Reverse battery protection
Features
150℃ T
J
operation
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
This is a Pb − Free Device
All SMC parts are traceable to the wafer lot
Additional testing can be offered upon request
20TQ...
20TQ...S
TO-220AC
D
2
PAK
Maximum Ratings:
Characteristics
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
Peak One Cycle Non-Repetitive Surge
Current
Symbol
V
RRM
V
RWM
V
R
I
F (AV)
I
FSM
Condition
-
35
40
45
Max.
20TQ035
20TQ040
20TQ045
20
480
Units
V
A
A
50% duty cycle @Tc=116°C,
rectangular wave form
8.3ms, Half Sine pulse
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20TQ035/S
20TQ040/S
20TQ045/S
Technical Data
Data Sheet N0673, Rev. B
Electrical Characteristics:
Characteristics
Forward Voltage Drop*
Symbol
V
F1
V
F2
Condition
@ 20A, Pulse, T
A
= 25
C
@ 40A, Pulse, T
A
= 25
C
@ 20A, Pulse, T
A
= 75
C
@ 40A, Pulse, T
A
= 75
C
@V
R
= rated V
R
T
J
= 25
℃
@V
R
= rated V
R
T
J
= 100
℃
@V
R
= 5V, T
C
= 25
℃
f
SIG
= 1MHz
Measured lead to lead 5 mm from
package body
-
Typ.
0.55
0.70
-
0.02
3
710
8.0
-
Max.
0.57
0.73
0.51
0.67
2.7
105
1650
-
10,000
Units
V
V
mA
mA
pF
nH
V/μs
Reverse Current *
I
R1
I
R2
Junction Capacitance
Series Inductance
Voltage Rate of Change
* Pulse width < 300 µs, duty cycle < 2%
C
T
L
S
dv/dt
Thermal-Mechanical Specifications:
Characteristics
Junction Temperature
Storage Temperature
Typical Thermal Resistance Junction to
Case
Case Style
Symbol
T
J
T
stg
R
JC
Condition
-
-
DC operation
TO-220AC D
2
PAK
Specification
-55 to +150
-55 to +150
1.5
Units
C
C
C/W
Tube Specification
Device
20TQ...
20TQ...S
Tube Specification(TO-220AC)
Weight
1.8g
1.85g
Package
TO-220AC
D²PAK
Shipping
50pcs / tube
800pcs / reel
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our tape and reel
packaging specification.
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
20TQ035/S
20TQ040/S
20TQ045/S
Technical Data
Data Sheet N0673, Rev. B
Ratings and Characteristics Curves
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
20TQ035/S
20TQ040/S
20TQ045/S
Technical Data
Data Sheet N0673, Rev. B
Marking Diagram
Where XXXXX is YYWWL
20
TQ
35/40/45
S
SSG
YY
WW
L
= Forward Current (20A)
= Device Type
= Reverse Voltage (35/40/45V)
= Package type
= SSG
= Year
= Week
= Lot Number
Cautions：Molding
resin
Epoxy resin UL:94V-0
Carrier Tape Specification D
2
PAK
Symbol
A
B
C
d
E
F
P0
P
P1
W
Millimeters
Min.
Max.
10.70
16.03
5.11
1.45
1.65
11.40
3.90
15.90
1.90
23.90
10.90
16.23
5.31
1.65
1.85
11.60
4.10
16.10
2.10
24.30
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
20TQ035/S
20TQ040/S
20TQ045/S
Technical Data
Data Sheet N0673, Rev. B
Mechanical Dimensions TO-220AC
Symbol
A
A1
A2
b
b1
c
D
D1
E
E1
e1
H1
L
L1
ΦP
Q
Θ1
Θ2
Θ3
Dimensions in millimeters
Min.
4.47
1.17
2.52
0.71
1.17
0.31
14.64
8.50
10.01
9.98
4.98
6.04
13.00
3.56
3.74
2.54
Typical
4.70
1.27
2.69
0.81
1.27
0.38
14.94
8.07
10.16
10.18
5.08
6.24
13.86
3.80
3.84
2.74
5°
4°
4°
Max.
4.85
1.37
2.89
0.96
1.37
0.61
15.24
8.90
10.31
10.38
5.18
6.44
14.08
3.96
4.04
2.94
Mechanical Dimensions D
2
PAK
Symbol
A
A1
A2
b
b1
c
c1
D
D1
E
E1
E2
e
H
L
L1
L2
L3
e
e1
e2
e3
Millimeters
Min.
4.47
0
2.59
0.71
1.17
0.31
1.17
8.50
6.40
10.01
7.6
9.98
14.6
2.00
1.12
1.30
0
Typical
4.70
0.10
2.69
0.81
1.27
0.38
1.27
8.70
Max.
4.85
0.25
2.89
0.96
1.37
0.61
1.37
8.90
10.16
10.08
2.54
15.1
2.30
1.27
0.25BSC
-
5°
4°
4°
10.31
10.31
15.6
2.74
1.42
2.20
8°
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