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TTElectronics - Welwyn WH543RJI Wirewound Resistors

The aluminium housed wirewound resistors from Welwyn Components' WH Series deliver high power dissipation up to 300W and feature all-welded construction, making them suitable for severe environments. Designed for excellent thermal conductivity to heatsinks, these resistors provide reliable performance with resistance ranges from 1 ohm to 120K ohms depending on the series. Available with RoHS compliance, they are ideal for industrial, electronic, and control applications requiring high power, durability, and thermal stability at temperatures from -55°C to +200°C.

Authorized Distributors
Source:Newark
Part No:WH5-43RJI
Stock:43
Inv Date:06-09-2026
Price: Unit price: $3.66
Buy/RFQ:

TTElectronics - Welwyn WH543RJI Wirewound Resistors Specifications:

  • Power rating at 25°C: 10W to 300W depending on series
  • Resistance range: 1Ω to 120KΩ depending on model
  • Resistance TCR: <10 ppm/°C to +100 ppm/°C depending on series
  • Resistance tolerance: 1%, 2%, 5%, 10%
  • Isolation voltage: 1500V to 7070V DC or AC peak
  • Temperature rating: -55°C to +200°C
  • Physical dimensions: Max length varies from 20.5mm to 184.4mm, diameters from 9mm to 43mm
  • Constructed with high-purity ceramic substrates, welded all around, suitable for heatsinks up to 68KΩ resistance
  • RoHS compliant, rated for severe environments, designed for excellent thermal conduction to heatsinks, capable of withstanding harsh conditions

Buy the Welwyn Series WH Wirewound Resistors: WH543RJI

Order Welwyn Series WH wirewound resistors online today to ensure high power dissipation, durability, and thermal efficiency. Suitable for severe environments, these all-welded aluminium housed resistors offer resistance ranges from 1 ohm to 120K ohms. With RoHS compliance and robust construction, they are ideal for industrial and electronic applications requiring stable performance at temperatures from -55°C to +200°C. Purchase now and benefit from fast delivery, Genuine quality, and excellent durability for critical control and power systems.

Buy Welwyn Series WH wirewound resistors now and experience unmatched reliability and thermal performance for high-power applications.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn WH543RJI?

You can click on the BUY or RFQ button to purchase WH543RJI from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part WH543RJI?

You can download the WH543RJI datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of WH543RJI?

TTElectronics - Welwyn

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