Potentiometers: Single-Turn Wire-Wound Precision Potentiometer

Single-Turn Wire-Wound Potentiometer

Series - R25W

Low Cost Panel Controller

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- 100,000 Turns Life

- Shaft O-ring and Slot are Standard

- 1% Standard Linearity

- 50 ohms to 20K ohms Resistance Values

Excellent linearity and resistance tolerance with good rotational life at a very low cost makes this industrial grade potentiometer an ideal choice for manual control applications. Many options available.

Electrical Specifications

R25W

R25WC

Electrical Angle

270º ±5º

Resistance Value (ohms)

50 ~ 20k

Resistance Tolerance

±10% (±5% opt.)

Linearity Tolerance (std.)

±1%

Linearity Tolerance (opt.)

±0.75%

Power @ 40ºC (W)

1.0

Insulation Resistance

1000 Mohm @ 500 VDC

Dielectric Strength

1000 VAC

Noise

< 100 ohm ENR

Mechanical Specifications

Mechanical Angle

285º ±5º

360º (continuous)

Maximum Operating Torque

1.0 Oz-in.

Shock

30g, 10mS

Vibration

15g, 10hz ~ 2000hz

Life Expectancy

100,000 cycles

Housing Diameter

25mm

Bearing

sleeve

Environmental Specifications

Operating Temperature

-30ºC to +85ºC

Standards

IEC 393

Protection Grade

IP40 (rear) IP54 (front)

Materials

Housing

Thermoplast

Shaft w/O-ring

Nickel plated brass

Bushing

Nickel plated brass

Terminals

Brass plated

Resolution Chart

Resistance Value (ohms)	Resolution (%)
50	0.690
100	0.560
200	0.520
500	0.390
1K	0.260
2K	0.220
5K	0.170
10K	0.150
20K	0.110

Dimensions (mm)

R25W, R25WC Single Turn Wirewound Potentiometer Dimensions

Options

- Sealed (IP65)	- Special Shaft Machining	- Special Resistance Values
- Special Operating Angles	- Custom Cables, Connectors	- Tighter Tolerances

P3 America, Inc.

3089C Clairemont Dr. #363 - San Diego, Ca. 92117

Phone:(858) 277-1420 Fax: (858) 225-0439

www.p3america.com