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Cermet Potentiometer - 1 Watt, 1/2" square, 1/8" and 1/4" dia. shaft

Cermet Potentiometer - 1 Watt, 1/2" square, 1/8" and 1/4" dia. shaft Photo of 249 Series Potentiometer Features
  • Phosphor bronze, solder plated terminals
  • Available in 1/8" and 1/4" shaft diameter
  • 1/4" plastic shaft types
  • Plastic flame retardant housing
  • Available in audio taper (J types)

Specifications
Electrical
Resistance Range - Linear Taper: 500 Ohms to 500K Ohms
Resistance Range - CW Audio Taper: J types
Resistance Tolerance: ±10%
Power Rating: 1W @ +70°C derated to 0W @ +125°C
Temperature Coefficient of Resistance: ±100ppm/°C
Linearity Tolerance: ±5% independent
Contact Resistance variation: 3% of total resistance
Insulation Resistance: 1000 Meg Ohm min, 500VDC
Dielectric Strength: 750V RMS min 50Hz
End Resistance: 2 Ohms max each end
Effective Electrical Angle: 265° ±5°
Rotation Life: 25,000 cycles

Mechanical
Resistance Element: Cermet
Mechanical Rotation: 295° ±5°
Starting and Running Torque: 1.5 to 18.75mNm
End Stop Torque: 0.35Nm (50 oz in)

Environmental
Operating Temperature: -55° to +125°C
Load Life: 1000 hr.

Cermet Potentiometer - 1 Watt, 1/2" square, 1/8" and 1/4" dia. shaft Parts

NTE Part No. Value
Ohms
Shaft
Length
Diag.
No.
502-0164** 500 7/8" P10
502-0064 500 3/4" P9
502-0165 1K 7/8" P10
502-0065** 1K 3/4" P9
502-0180 1K 3/4" P9
502-0185 1K 7/8" P10
502-0166** 2.5K 7/8" P10
502-0066 2.5K 3/4" P9
502-0167** 5K 7/8" P10
502-0067 5K 3/4" P9
502-0168** 10K 7/8" P10
502-0068 10K 3/4" P9
502-0181 10K 3/4" P9
502-0186 10K 7/8" P10
502-0169** 25K 7/8" P10
502-0069 25K 3/4" P9
502-0170** 50K 7/8" P10
502-0070 50K 3/4" P9
502-0182 50K 3/4" P9
502-0187 50K 7/8" P10
502-0171** 100K 7/8" P10
502-0071 100K 3/4" P9
502-0183 100K 3/4" P9
502-0188 100K 7/8" P10
502-0172** 250K 7/8" P10
502-0072 250K 3/4" P9
502-0173** 500K 7/8" P10
502-0073 500K 3/4" P9
NOTE: ** Note: These are plastic shaft types

Cermet Potentiometer - 1 Watt, 1/2" square, 1/8" and 1/4" dia. shaft Dimensional Drawing

P9
Cermet Potentiometer

P10
Cermet Potentiometer Cermet Potentiometer

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**Specifications subject to changes**
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