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TTElectronics - Welwyn W312R2JI Wirewound Resistor

The W31 series resistance components are high-quality cement coated wirewound resistors designed for reliable performance in demanding applications. They feature flameproof protection, custom builds for pulse requirements, and surface mount Zl-form options. Crafted with ceramic substrates and solder-coated copper terminations, these resistors resist moisture, shock, vibration, and salts. They comply with RoHS3 standards and are suitable for use in circuits requiring precise resistance, high power ratings, and thermal stability. Available in various resistance values, they are ideal for industrial and electronic applications demanding durability and accuracy.

Authorized Distributors
Part No:W31-2R2JI
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.95
Buy/RFQ:

TTElectronics - Welwyn W312R2JI Wirewound Resistor Specifications:

  • Power rating at 25°C: 2.5 watts
  • Resistance range: OR1 to 10K ohms
  • Resistance tolerance: 1%
  • Resistance values: Standard values include R01 to R10K
  • TCR: -55 to 155°C
  • Thermal impedance: Not specified
  • Ambient temperature range: -55°C to 155°C
  • Limiting element voltage: 500 volts min
  • Physical dimensions: Max diameter 5.6 mm, length approx. 3.0 mm
  • Construction: Ceramic substrate with interference fit end caps, moisture, shock, vibration resistant
  • Terminations: Solder coated copper, IEC compliant
  • Marking: Resistance value and tolerance legend marked in accordance with IEC 62
  • Packaging: Taped in ammo packs or reels, lead forming options available
  • Standards: RoHS3 compliant, IEC 68.2.21, IEC 115-1
  • Vibration, bump, overload, damp heat, rapid temperature change resistance tested
  • Flameproof coating, solvent resistant
  • Application: Suitable for industrial, electronic, pulse, and high-stability circuits

Buy the TT Electronics Series W30 Resistors: W312R2JI

Enhance your electronic assemblies with our TT Electronics Series W30 wirewound resistors. Designed for durability, they offer flameproof protection, high power ratings, and precise resistance. Ideal for industrial environments requiring shock, vibration, and salt spray resistance, these resistors are available in various resistance values and packaging options. Purchase online now to access high-quality, RoHS3-compliant resistors that meet demanding pulse and temperature requirements, ensuring reliability and performance in your projects and manufacturing processes.

Order your TT Electronics Series W30 resistors today and ensure your circuits are built with durable, flameproof, and high-precision components.

Frequently Asked Questions

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You can download the W312R2JI datasheet or visit the TTElectronics - Welwyn website for support.

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TTElectronics - Welwyn

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