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TTElectronics - Welwyn W31100RJI Power Resistor

The W31 Series cement-coated wirewound resistors are designed for durability and high precision with flameproof protection and custom pulse requirements. Suitable for industrial, power, and precision applications, these resistors feature a ceramic substrate sealed with interference fit end caps, ensuring moisture, shock, and vibration resistance. Terminations are solder-coated copper complying with IEC standards. They offer excellent thermal stability, high limiting voltage, and resistance values down to 10 milliohms with a tolerance of 1%. Packaged in tape or reel formats, suitable for both assembly and high-performance demanding environments.

Authorized Distributors
Part No:W31-100RJI
Stock:0
Inv Date:06-10-2026
Price: N/A
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TTElectronics - Welwyn W31100RJI Power Resistor Specifications:

  • Power rating at 25°C: 2.5 W
  • Power rating at 70°C: 2.0 W
  • Resistance range: OR1 to 10K
  • Resistance tolerance: ±1%
  • Resistance values: down to 10 milliohms
  • Rated voltage: 500 V minimum
  • Temperature range: -55°C to 155°C
  • Thermal impedance: Not specified
  • Physical dimensions: Max diameter 5.6 mm, length 3.0 mm
  • Construction: Ceramic substrate with interference fit end caps
  • Terminations: Solder-coated copper
  • Vibration resistance: Meets IEC 68.2.21
  • Flammability: Resists burning under overload conditions
  • Packaging: Taped in ammo packs or reels available upon request
  • Climatic category: 55/200/56

Buy the TT Electronics W31100RJI – Reliable Power Resistor for Industrial Applications

Purchase TT Electronics power resistors online today for high-performance, flameproof protection, and excellent thermal stability. Designed to withstand harsh environments, these resistors are ideal for industrial automation, power supplies, and engineering projects requiring reliable components. Featuring a ceramic substrate, solder-coated copper terminations, and resistance values as low as 10 milliohms, this series ensures precise performance across a wide temperature range. Easily available in tape and reel packaging, shop now for durable, efficient, and RoHS-compliant resistors to meet your specific needs.

Get TT Electronics W31100RJI today—built for precision, high-temperature stability, and long-lasting durability.

Frequently Asked Questions

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TTElectronics - Welwyn

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