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TTElectronics - Welwyn WP4SR1JA2 Power Resistor

The WP4SR1JA2 is a compact, flameproof wirewound resistor designed for power applications requiring high reliability and safety. It features surface mount ZI-form options and RoHS compliance with Pb-free terminations. With a power rating suitable for high pulse and overload conditions, it is constructed on a high purity ceramic substrate with interference fit end caps and welded terminations. Flameproof silicone coating ensures safety under thermal overload. Its robust design makes it ideal for industrial power circuits demanding durability, thermal stability, and resistance to solvents and high temperatures.

Authorized Distributors
Part No:WP4S-R1JA2
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn WP4SR1JA2 Power Resistor Specifications:

  • Power rating at 25 °C: 5s overload rating supported
  • Dimensions: Body length 10.0 mm max, diameter 4.0 mm max
  • Material: High purity ceramic, copper wire terminations
  • Flameproof silicone coating resistant to solvents
  • Limit voltage: 50 - 150 V depending on model
  • Resistance range: 1 ohm to 2.2 K ohms
  • Temperature range: -55°C to +155°C
  • Solderability and marking conform to IEC standards
  • RoHS compliant, Pb-free terminations
  • Coefficient of Temperature Resistance (TCR): <1R: 350, 21R: 200

Buy the Buy TT Electronics WP4SR1JA2 Part Number WP4SR1JA2 Online

Experience the robustness and reliability of the TT Electronics WP4SR1JA2 power resistor, designed for demanding industrial and power applications. It features flameproof construction, high pulse capacity, RoHS compliance with Pb-free terminations, and exceptional thermal stability. Suitable for surface mount installation, this resistor ensures safety and durability in high-temperature environments. Order online now to benefit from fast delivery and expert support, ensuring your power projects meet industry standards with confidence and precision.

Get TT Electronics WP4SR1JA2 today—built for high power reliability, flameproof safety, and long-lasting performance in industrial environments.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn WP4SR1JA2?

You can click on the BUY or RFQ button to purchase WP4SR1JA2 from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part WP4SR1JA2?

You can download the WP4SR1JA2 datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of WP4SR1JA2?

TTElectronics - Welwyn

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