UFPMA, UFPMC

www.vishay.com

Vishay MCB

Revision: 25-Aug-2022

1

Document Number: 32514

For technical questions, contact: mcbprecisionpot@vishay.com

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

Displacement Sensor, Ultra Flat

LINKS TO ADDITIONAL RESOURCES

FEATURES

• Sealed

• Infinite resolution

• High integration capacity

• Durability

• Rectilinear: UFPMA type

• Circular: UFPMC type

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

Note

(1) See “Specific UFPMA Characteristics” table

Note

• Nothing stated herein shall be construed as a guarantee of quality or durability

QUICK REFERENCE DATA

Sensor type

LINEAR or ROTATIONAL, conductive plastic

Output type

Output by wires or connector

Market appliance

Industrial, avionics

Dimensions

4 mm (thickness max.)

333

DDD3 D

3D Models

Videos

Application

Notes

ELECTRICAL SPECIFICATIONS

PARAMETER

UFPMA

UFPMC

Total resistance (Rn)

4.7 k

Ω

Tolerance on Rn

± 20 %

Dissipation

≤ 0.1 W/cm of travel (1)

≤ 1 W to 70 °C

Theoretical electrical travel (TET)

20 mm to 250 mm (1)

270°

Tolerance on TET

± 1 mm

± 3°

Electrical continuity travel

TET + 4 mm

310°

Linearity

± 2 %

± 1.5 %

Temperature coefficient

-300 ppm/°C ± 300 ppm/°C

Collector / track current (Ic)

≤ 1 mA

Recommended current Ic

≤ 100 μA

Recommended load impedance

≥ 100 Rn

Output smoothness

< 0.1 % (NFC 93 255)

MECHANICAL SPECIFICATIONS

PARAMETER

UFPMA

UFPMC

Design

Flexible insulating films

Flexible insulating films on FR4 substrate

Mechanical travel

= Electrical continuity travel

= Electrical continuity travel (customer stops)

Backlash

< 0.1 mm

< 0.3°

Mounting

With double-sided adhesive on flat, clean, and dry support

Speed displacement

≤ 1.5 m/s

Drive

Force

≥ 0.3 N

Torque

≥ 1 N cm

Protection class (NFC 20 010)

IP 66

Maximum alignment fault

± 1 mm

-

PERFORMANCE

PARAMETER

UFPMA

UFPMC

Life

25M operations for TET < 200 mm

> 10M cycles

15M operations for TET

≥ 200 mm

Operating temperature range

-30 °C to +80 °C

Storage temperature range

-40 °C to +90 °C

Support

Flat, clean, and dry