UFPMA, UFPMC
www.vishay.com
Vishay MCB
Displacement Sensor, Ultra Flat
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
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
LINEAR or ROTATIONAL, conductive plastic
Output by wires or connector
Industrial, avionics
4 mm (thickness max.)
ELECTRICAL SPECIFICATIONS
PARAMETER
Total resistance (Rn)
Tolerance on Rn
Dissipation
Theoretical electrical travel (TET)
Tolerance on TET
Electrical continuity travel
Linearity
Temperature coefficient
Collector / track current (Ic)
Recommended current Ic
Recommended load impedance
Output smoothness
UFPMA
UFPMC
4.7 k
± 20 %
 0.1 W/cm of travel (1)
 1 W to 70 °C
20 mm to 250 mm (1)
270°
± 1 mm
± 3°
TET + 4 mm
310°
±2%
± 1.5 %
-300 ppm/°C ± 300 ppm/°C
 1 mA
 100 μA
 100 Rn
< 0.1 % (NFC 93 255)
Note
(1) See “Specific UFPMA Characteristics” table
MECHANICAL SPECIFICATIONS
PARAMETER
Design
Mechanical travel
Backlash
Mounting
Speed displacement
Drive
Protection class (NFC 20 010)
Maximum alignment fault
UFPMA
UFPMC
Flexible insulating films
Flexible insulating films on FR4 substrate
= Electrical continuity travel
= Electrical continuity travel (customer stops)
< 0.1 mm
< 0.3°
With double-sided adhesive on flat, clean, and dry support
 1.5 m/s
Torque  0.3 N
Torque  1 N cm
IP 66
± 1 mm
-
PERFORMANCE
PARAMETER
Life
Operating temperature range
Storage temperature range
Support
UFPMA
25M operations for TET < 200 mm
15M operations for TET  200 mm
-30 °C to +80 °C
-40 °C to +90 °C
Flat, clean, and dry
UFPMC
> 10M cycles
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability.
Revision: 20-Oct-15
Document Number: 32514
1
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
UFPMA, UFPMC
www.vishay.com
Vishay MCB
SAP PART NUMBERING GUIDELINES - UFPMA
MODEL
TYPE
THEORETICAL ELECTRICAL TRAVEL (mm)
UFPM
A = linear
060
100
150
200
250
TYPE
VALUE
LINEARITY
LEADS
PACKAGING
X=±2%
(UFPMA)
W = wires
B = bulk
A = aeronautic, 472 = 4K7
off-road, or
medical
CONNECTIONS
3 x AWG 22 color wires length 300 mm
DIMENSIONS in millimeters
+ 0.2
0
0.6 ± 0.1
+ 0.2
0
4 max.
15
Customer support
2
Potting
4.3 + 0.2
10
6
+ 0.2
0
UFPMA
Customer support adhesive
13.5 ± 0.5
AWG 22
MCB Industry
Theoretical Electrical Travel (TET)
Electrical continuity travel (TET + 4)
TET + 25
UFPMC (ON REQUEST)
ECT = 310°
Customer support
TET = 270°
A-A
Presser
A
Ø
Adhesive
54
Presser
Customer
shaft
Ø
7
±
4.5 ± 0.1
05
0.
Ø
3.
2
M3
4.15
B
Potting
0.6
Thickness of the rigid 1.6
support (option)
Revision: 20-Oct-15
8.5
AGW 22
A
B
12.75
15.85
Document Number: 32514
2
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
UFPMA, UFPMC
www.vishay.com
Vishay MCB
ELECTRICAL DIAGRAM
Yellow
F
Red
Green
The voltage varies according to the position of the presser on the deformable membrane.
OPTIONS (on request)
SPECIFIC VERSIONS (on request)
• Other presser
• Other electrical or mechanical characteristics
• Other bases
Ø 4.3
• Integration in equipment
Customer support
10.5 ± 0.2
• Other versions: outdoor design, ...
• Integration in equipment (flat flex cable, contacts,
connector, ...)
Presser “A”
SPECIFIC UFPMA CHARACTERISTICS
THEORETICAL ELECTRICAL
TRAVEL (TET) (mm)
DISSIPATION AT +40 °C
(W)
ELECTRICAL CONTINUITY TRAVEL (ECT)
(mm)
FILM LENGTH
(mm)
50
 0.5
54
75
100
 1.0
104
125
150
 1.5
154
175
200
 2.0
204
225
250
 2.5
254
275
OPERATING DESCRIPTION
Presser
Deformable membrane
(collector)
Insert
Support membrane
(resistive track)
Collector / track contact
Revision: 20-Oct-15
Document Number: 32514
3
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