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  5. 25HP Multi-turn Potentiometer

25HP Multi-turn Potentiometer

Wirewound Potentiometer Bushingmount type


Key features

  • Wirewound
  • Dimensions (mm) DxL: 25×29 / 25×37.5
  • Resistance range (ohm): 100Ω -50kΩ / 100Ω -100kΩ
  • Linearity (±%): 0.3 to 0.2 / 0.2 to 0.1
  • Mechanical travel (+10° 0°): 1,800 / 3,600
  • Electrical travel (±5°): 1,800 / 3,600

About the 25HP Multi-turn Potentiometer

The 25HP is a precision multi-turn potentiometer with an outer diameter of 25mm. There are multiple shaft and bushing dimensions to choose from.

Features Multi-turn potentiometer 25-HP-5

  • Wirewound
  • Dimensions (mm) DxL: 25×29
  • Standard resistance range (ohm): 100Ω -50kΩ
  • Independent linearity (±%): 0.3 to 0.2
  • Mechanical travel (+10° 0°): 1,800
  • Electrical travel (±5°): 1,800

Features Multi-turn potentiometer 25HP-10

  • Wirewound
  • Dimensions (mm) DxL: 25×37.5
  • Standard resistance range (ohm): 100Ω -100kΩ
  • Independent linearity (±%): 0.2 to 0.1
  • Mechanical travel (+10° 0°): 3,600
  • Electrical travel (±5°): 3,600

Special Specifications Available

Lower resistance (10Ω, 20Ω, 30Ω), 3turn type (S25HP3), 15turn type (S25HP15), 20turn type (S25HP20), extra taps (available up 5 taps), multi-ganged (available up to 2 gangs), shaft with front and rear extension (rear shaft with 3mm dia. and 10mm length), shaft dia. (ø3.175mm, ø6.35mm) · bushing with inch dimensions, with a limit-switch adaptor, special machining on the shaft.

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Technical Specifications

Specification Value
(within 5kΩ): (±0.25%) (±0.15%)
Precision Class: ±0.2% ±0.1%
Dielectric strength 1 minute at 1,000 V.A.C.
Electrical travel 360º Xn ±5º (n: No. of turns)
Independent linearity tolerance (5-turn 10-turn) Standard Class: ±0.3% ±0.2%
Insulation resistance Over 100 MΩ at 1,000 V.D.C.
Mass Approx. 50g (5-turn) Approx. 60g (10-turn)
Max. practical resistance value 100Ω (5turn), 200Ω (10turn)
Max. working voltage 900V
Mechanical travel 360º Xn (+10º n: No. of turns)
Noise Within 100Ω E.N.R.
Power rating 1.5W (5-turn), 2.0W (10-turn)
Resist. temp. coefficient of wire ±20p.p.m./ºC
Shaft dia. (mm) 4-6
Standard resistance range 100Ω to 50kΩ (5turn), 100Ω to 100kΩ (10turn)
Starting torque Within 8mN·m (80gf·cm) (Bushing mount) Within 5mN·m (50gf·cm) (Servomount)
Stopper strength Approx. 0.9N·m (9kgf·cm)
Total resistance tolerance Standard Class ±3%(H), Precision Class ±1%(F)

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