Vishay Spectrol思伯喬 旋轉(zhuǎn)式電位器 變阻器 157-11102

22 mm potentiometers with conductive plastic technology

• High quality
• Rugged one piece metal housing
• Long rotational life
• Wide operating temperature range
• Linearities down to ±0.25% special
• Optional sealed construction (bushing mount only)

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  Features	Applications
  Long life: 10 million cycles (Servo), 5 million cycles (Bushing) Optional special electrical angles Cost-effective component solutions Temperature range of -55°C to +125°C 22.2 mm external diameter Lead (Pb)-free	Servo control of industrial valves Various functions for fork-lift trucks and tractors, joysticks, wheel balancing equipment for cars

  
  
  
  
  
  
  
  

  Electrical Specifications Parameter MIL-PRF-39023 Test Procedures Apply Resistance 1 KΩ to 100 KΩ Resistance Tolerance Special to ±20% ±10% Linearity Special to ±2.0% ±0.25% Temp. Coefficient of Resistance ±600 ppm/°C Power Rating Derated to 1.0 W at 40°C ambient 0 W at 125°C Electrical Angle 340° ±4° End Voltage 0.5% maximum Dielectric Withstanding 1000 VRMS, 60 Hz Insulation Resistance 100 MΩ minimum, 500 VDC Output Smoothness 0.1%

  Mechanical Specifications Parameter Weight 0.5 oz. max. (14 g) Rotation 360° (continuous) Mount Bearing Type Bushing (Sleeve Bearing) Servo (Ball Bearing) Operating Torque Starting Running   0.30 oz.-in (21.6 g-cm) 0.25 oz.-in (18 g-cm)   0.25 oz.-in (18 g-cm) 0.15 oz.-in (10.8 g-cm) Mechanical Tolerance     (in/mm) (max.) Shaft Runout (TIR) Pilot Dia Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play     0.002" (0.05 mm) – 0.005" (0.13 mm) 0.006" (0.15 mm) 0.003" (0.08 mm)     0.002" (0.05 mm) 0.002" (0.05 mm) 0.002" (0.05 mm) 0.005" (0.13 mm) 0.002" (0.05 mm)