Spindle Operated Potentiometers
Type PC908 Series
Literature No. 1773263
Issued: 04-05
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■Stable High Resolution
Cermet Element
■Easy to Adjust
■Convenient Size
■Proven Reliability
■Up to 1 Watt Power Rating
at 40°C
■Log and Linear Laws
Available
■Resistant to Most PCB
Washing Solvents
■Custom Design Edgewheels
Available
Type PC908 Series
Where edgewheel operation, high
current handling and longlife are
required specify the Tyco PC908
Series. Its cermet element ensures
stability and high performance. This
potentiometer is ideal for use in many
industrial and professional equipment
applications. It is widely used in
business machines, visual display
units, medical and telecommunication
equipment.
Characteristics -
Electrical
Characteristics -
Mechanical
Standard Resistance Range and Laws: 47 Ohms to 2M2 (Linear)
1K Ohm to 1M Ohm (Non Linear)
Resistance Values: 1, 2.2 and 4.7 in each decade
Selection Tolerance: ± 20% (± 10% to order)
Rated Dissipation at 40°C: 1 W (Linear); 0.5 W (Log)
Limiting Element Voltage: 315 V DC or AC
Electrical Rotation: 240°
Rotational Noise (CVR): < 5%
Characteristics -
Environmental
Dimensions
Starting Torque: 30 mNm, maximum
End Stop Torque: 90 mNm, minimum
Mechanical Rotation: 270°
Weight: 2.02 gms, maximum
Limits of Resistance Change: 5% (after 1000 hour.endurance)
Temperature Characteristics of Resistance
(20°C to 70°C): 0.75%
Climatic Category: 40/100/04
Mechanical Endurance: 10,000 Operations, minimum
How to Order
Type
1K ±10%
We will advise a Tyco
Part Number against
this description
Resistance Value
& Tolerance
Linear
Log
Law
PC908
