TFS
Vishay Sfernice
Wraparound and Single-In-Line, Thin Film
Temperature Sensors
FEATURES
•
Conforms to the DIN 43760 specs in - 60 °C to
+ 180 °C temperature range
•
TCR: 6180 ppm/°C (0 °C; + 100 °C)
(see note
(1)
)
•
Wide resistance range: 25
Ω
to 2500
Ω,
TFS-S
25
Ω
to 250
Ω,
TFS-W
Vacuum deposited nickel films are used to produce
temperature sensors with various characteristics. The small
size and small thermal mass of these devices result in a
quick response to changes in temperature.
•
Packaging available: W/A, SIL
ΔR
ΔCT
-
-
•
High stability (
-------
and
-----------
< 0.2 % 1000 h at Pn at 150 °C)
R
CT
•
Compliant to RoHS directive 2002/95/0EC
STANDARD ELECTRICAL SPECIFICATIONS
TEST
MATERIAL
Resistance range
Absolute TCR
(1)
Absolute tolerance
Tolerance on temperature
Operating temperature range
Storage temperature range
Stability
SPECIFICATIONS
NICKEL
25
Ω
to 2500
Ω
on TFS-S/25R to 100R on TFS W0805
25R to 250R on TFS-W 1206
+ 6180 ppm/°C
± 2 %, ± 1 %
up to 0, 33 °C
- 55 °C to + 125 °C
- 55 °C to + 155 °C
ΔR
ΔCT
------- < 0.2 %; ----------- < 0.2 %
-
-
R
CT
1000 h at Pn at + 150 °C
0 °C; 100 °C
CONDITIONS
Note
(1)
The ohmic value
R
at temperature T (°C) depends on
R
(ohmic value at 0 °C) according to the following equation:
T
0
R
T
/R
0
= 1 + 5.485 x 10-3 T + 6.65 x 10
- 6
T
2
+ 2.805 × 10
- 11
T
4
Example:
0 °C < T < 100 °C
R
T
/R
0
= 1.6180
TCR = ± 6180 ppm/°C
MECHANICAL SPECIFICATIONS
Resistive element
Substrate material
Leads (TFS-S)
Terminals (TFS-W)
Nickel, around 1.5 µm thick
99.6 % alumina
Tin/silver plated on copper alloy
Tin silver over nickel
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
www.vishay.com
72
For technical questions, contact:
sfer@vishay.com
Document Number: 60033
Revision: 25-Aug-09
TFS
Wraparound and Single-In-Line, Thin Film
Temperature Sensors
DIMENSIONS
TFS-S Single-In-Line
C
D
A
B
B
A
F G
E
C
Vishay Sfernice
TFS-W Chip for SMD
DIMENSION
A
B
C
D
E
F
G
INCHES
0.200
0.200
0.200
0.025
0.100
0.020
0.010
MILLIMETERS
3.17
5
5
0.63
2.54
0.50
0.25
0705 DIMENSION
A
B
C
1206 DIMENSION
A
B
C
INCHES
0.075
0.050
0.020
INCHES
0.125
0.063
0.027
MILLIMETERS
1.90
1.25
0.50
MILLIMETERS
3.20
1.60
0.70
PACKAGING
Waffle pack or tape and reel for TFS-W
Sticks or special packaging for TFS-S
HOW TO ORDER
Wraparound
T
F
S
W
0
8
0
5
-
5
6
U
F
MODEL
TFS
STYLE
W
SIZE
0805
1206
OHMIC VALUE
In clear
U
stands for
decimal point
TOLERANCE
F
=1%
G
=2%
SIL
T
F
S
S
-
2
K
5
F
MODEL
TFS
STYLE
S
OHMIC VALUE
In clear
U
stands for
decimal point
K
stands for 1000
TOLERANCE
F
=1%
G
=2%
Historical Part Number:
TFS
TFS
W
S
0805 56U 1 %
2K5 1 % e2
e2
Document Number: 60033
Revision: 25-Aug-09
For technical questions, contact:
sfer@vishay.com
www.vishay.com
73
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
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