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Honeywell 409N250 Sealed Potentiometer

The Honeywell 409N250 is a high-performance sealed potentiometer designed for demanding industrial applications. Its compact 1/2 in. size and robust construction make it ideal for wave soldering and PC board mounting. The potentiometer is available with various configurations, including rotary switch modules and push-pull/momentary switch modules, offering versatility in control system design. It's known for its stability across a wide temperature range and resistance to various solvents, ensuring reliable performance in harsh environments.

Authorized Distributors
Source:Newark
Part No:409N250
Stock:5
Inv Date:06-01-2026
Price: Unit price: $58.21
Buy/RFQ:
Source:DigiKey
Part No:409N250
Stock:5
Inv Date:06-01-2026
Price: Unit price: $39.37
Buy/RFQ:
Part No:409N250
Stock:0
Inv Date:06-02-2026
Price: N/A
Buy/RFQ:
Part No:409N250
Stock:3
Inv Date:06-01-2026
Price: Unit price: $39.37
Buy/RFQ:

Honeywell 409N250 Sealed Potentiometer Specifications:

  • Series: 409 Sealed Potentiometer
  • Size: 1/2 in. Sq.
  • Wattage: 1.0 Watt
  • Operating Temperature Range: 40°C to 150°C
  • Resistance Range: 500Q to 2 Megohms
  • Resistance Tolerance: +10% standard; +5% special
  • Effective Rotation: 250° +10° -5° without rotary switch; 240° +5° with rotary switch
  • Dynamic Noise: Standard: 1.5% of total resistance
  • Working Voltage: 350 Vdc
  • Linearity: +5% independent
  • Taper Tolerance: +20% of nominal resistance @ 50% of mechanical rotation
  • Voltage Coefficient: .008%/Volt maximum
  • Dielectric Withstanding Voltage: 750 Vac for 60 seconds @ ATM pressure
  • Shaft Diameter: .125 in. (3.18mm)
  • Shaft Lengths: Lengths from mounting surface to 3 in. (76.2mm) in 1/64 in. (.397mm) increments
  • Housing Material: Thermoplastic polyester, blue
  • Solvent Resistance: Resistant to trichlorethylene, Chlorethene NU, Freon TMS, Freon TMC, toulene, MEK, ethyl acetate and gasoline

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Frequently Asked Questions

Where can I buy Honeywell 409N250?

You can click on the BUY or RFQ button to purchase 409N250 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 409N250?

You can download the 409N250 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 409N250?

Honeywell

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