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TTElectronics - Welwyn WH51R5JI Wirewound Resistor

The aluminium housed wirewound resistors from Welwyn Components provide high power dissipation up to 300W, designed with welded construction for severe environments. They feature excellent thermal conductivity to heatsinks, RoHS compliance, and are available in various power ratings from 10W to 300W. These resistors have resistance ranges from 1 ohm to 120K ohms, with precise TCR values, resistance tolerances, and high isolation voltages. Suitable for demanding industrial applications requiring reliable performance and thermal management in diverse operating conditions.

Authorized Distributors
Part No:WH5-1R5JI
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn WH51R5JI Wirewound Resistor Specifications:

  • Power rating: 10W to 300W at 25°C depending on series
  • Resistance range: 1Ω to 120KΩ depending on series
  • Resistance tolerance: 1%, 2%, 5%, 10%
  • Temperature Coefficient: as low as +25 ppm/°C
  • Isolation voltage: 1500V to 7070V DC/AC peak depending on series
  • Thermal impedance: 35°C/W to 160°C/W
  • Dimensions: varies with model, typical max dimensions include length up to 184.4mm and diameter up to 50.4mm
  • Material: Aluminium housing with ceramic and wound resistive element
  • Operating temperature range: -55°C to 200°C
  • RoHS compliant, welded construction for durability
  • Designed for efficient heat dissipation in industrial environments
  • Terminations: M6 threaded steel or solder dipped copper clad steel
  • Solderability: Meets IEC standards
  • Packaging: resistors in boxes or bags depending on size
  • Features include high power dissipation, thermal stability, and resistance precision

Buy the Welwyn WH51R5JI – Reliable High-Power Resistors for Industrial Applications

Discover the Welwyn wirewound resistor array designed for high power dissipation up to 300W, ensuring reliable performance in severe environments. These aluminium housed resistors feature welded construction for durability, excellent thermal conductivity to heatsinks, and precise electrical specifications including resistance range from 1 ohm to 120K ohms. Built for thermal stability across -55°C to 200°C, they meet RoHS standards and are suitable for industrial applications where reliability and heat management are critical. Available in various series with different power ratings and dimensions, they are essential components for demanding electrical systems.

Get Welwyn WH51R5JI today—built for high power and thermal stability in demanding industrial environments.

Frequently Asked Questions

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How do I troubleshoot issues or seek technical support for part WH51R5JI?

You can download the WH51R5JI datasheet or visit the TTElectronics - Welwyn website for support.

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TTElectronics - Welwyn

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