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TTElectronics - Welwyn WP4S2K2RJA2 Flameproof Power Resistor

The WP4S series wirewound resistors are compact, flameproof power components designed for industrial applications, offering high pulse handling and RoHS compliance. They feature ceramic substrates with interference fit end caps and welded terminations, making them suitable for high-power and high-temperature environments. The resistors are surface-mount with optional lead forms, with ratings up to 2K2 ohms, terminal voltage up to 150V, and resistance tolerances of ±5%. They withstand harsh conditions, including damp heat, vibration, and short pulses, providing reliable performance in demanding electrical circuits.

Authorized Distributors
Source:Newark
Part No:WP4S-2K2RJA2
Stock:800
Inv Date:06-09-2026
Price: Unit price: $1.38
Buy/RFQ:
Part No:WP4S-2K2RJA2
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn WP4S2K2RJA2 Flameproof Power Resistor Specifications:

  • Power rating at 25 °C: 5s overload rating varies with model
  • Resistance range: 2K2 ohms maximum
  • Limiting element voltage: up to 150V
  • Resistance tolerance: ±5%
  • Ambient temperature range: -55 to +155°C
  • Dimensions: Body length 10.0 mm max, diameter 4.0 mm max
  • Construction: Ceramic substrate with interference fit end caps, welded terminations
  • Terminations: Hot tin dipped copper wire, meet IEC 68.2.21
  • Flammability: Resists ignition and incandescent particles
  • Thermal impedance: 54-90°C/W
  • Pulse energy capacity: up to 3W depending on configuration
  • Marking: Color bands or printed legend
  • Rated voltage: up to 150V, Resistors are RoHS compliant with Pb-free terminations
  • Application: Power electronics, high-temperature circuitry, pulse handling
  • Certification: RoHS compliant

Buy the TT Electronics WP4S2K2R – Reliable Flameproof Power Resistors for Industrial Applications

Looking for a dependable high-power resistor suitable for harsh environments? The TT Electronics WP4S2K2R series offers flameproof protection, excellent pulse handling, and RoHS compliance. Perfect for industrial applications requiring reliable, compact components, these resistors feature ceramic substrates, welded terminations, and accurate resistance tolerances. Designed to operate at temperatures from -55°C to +155°C, they provide consistent performance under rigorous conditions. Ensure your electrical projects are safe and efficient by ordering the WP4S series online today for fast delivery and superior quality.

Order your TT Electronics WP4S2K2R flameproof power resistor today and ensure your circuits handle high power and pulse demands with confidence.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn WP4S2K2RJA2?

You can click on the BUY or RFQ button to purchase WP4S2K2RJA2 from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part WP4S2K2RJA2?

You can download the WP4S2K2RJA2 datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of WP4S2K2RJA2?

TTElectronics - Welwyn

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