Series KIT LMF Datasheet

Series KIT LMF
www.vishay.com
Vishay Sfernice
Conductive Plastic Motion Transducer Elements (KIT),
up to 1000 mm
FEATURES
• Measurement range 25 mm to 1000 mm
• High accuracy ± 1 % down to ± 0.025 %
• Good repeatability
• Simple and flexible mounting
• Essentially infinite resolution
Made in two separate parts:
- the sensing element
- the wiper
Special designs available on request
The LMF is a reduced bulk, precision motion transducer,
designed for easy integration into equipment.
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
LINEAR, conductive plastic
Solder pads
Industrial
L x 15 mm x 1.6 mm (with L = TET + 18 mm)
ELECTRICAL SPECIFICATIONS
Theoretical electrical angle (TEA = E)
From 25 mm to 1000 mm in increments of 25 mm
 ± 1 %;  ± 0.1 %
Independent linearity (over TET)
On request
 ± 0.05 % for E 100 mm
 ± 0.025 % for E  200 mm
Actual electrical travel (AET)
AET = TET + 2 mm
From 400 /cm to 2 k/cm
Ohmic value
Resistance tolerance at 20 °C
± 20 %
 0.01 %
Repeatability
Maximum power rating
Wiper current
0.05 W/cm at 40 °C
0 W at 85 °C
Recommended: a few μA - 1 mA max. (continuous)
Minimum 103 x RT
Load resistance
Insulation resistance
 1000 M, 500 VDC
 750 VRMS, 50 Hz
Dielectric strength
MECHANICAL SPECIFICATIONS
Support of element
On request
Wiper (non insulated)
On request
Fiberglass epoxy
Plastic moulding
Precious metal multifinger
Insulated
Terminals
On request
Soldering pads
By wires
Fixing
On request
Glued: Double face Isotac
Screwed: Holes in the support
PERFORMANCE
Operating life
25 million cycles typical/1 Hz/T° = 20 °C ± 5 °C/80 % TET
Temperature range
-55 °C to +125 °C
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability.
Revision: 26-Mar-15
Document Number: 54009
1
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Series KIT LMF
www.vishay.com
Vishay Sfernice
DIMENSIONS in millimeters, general tolerance ± 0.2 mm
0.3
STANDARD MODEL: LMF...W02851
± 0.2
5.8
WORKING POSITION
1.6
L = TET + 18 MAX.
WIPER TRAVELS
COLLECTOR TRACK
2
2.4
SOLDERING PADS
13
5.2
2
6.35
2.4
11.15
15
8
7
3.5
RESISTIVE TRACK
1
TET = E
SILVER AREA
10 ± 0.5 SILVER AREA
AET = TET + 2
12.2
EXAMPLES OF SPECIAL DESIGNS
ORDERING INFORMATION/DESCRIPTION
KIT
LM
F
3
D
103
W...
e.
SERIES
MODEL
CONDUCTOR
THEORETICAL
ELECTRICAL
TRAVEL
LINEARITY
OHMIC VALUE
MODIFICATIONS
LEAD FINISH
F: Plastic
S: Serigraphy
Times 25 mm
A: ± 1 %
D: ± 0.1 %
E: ± 0.05 %
F: ± 0.025 %
First 2 digits are
significant numbers
3rd digit indicates
number of zeros
Special feature
code number
SAP PART NUMBERING GUIDELINES
LMF
3
D
103
W....
MODEL
TET
LINEARITY
OHMIC VALUE
SPECIAL FEATURES
Revision: 26-Mar-15
Document Number: 54009
2
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000