The WP4S series consists of compact, flameproof power wirewound resistors designed for high reliability in demanding applications. These resistors feature a ceramic substrate with interference fit end caps and welded terminations, offering enhanced pulse handling and flameproof protection. They are RoHS compliant with Pb-free terminations, suitable for surface mount and pre-formed lead configurations. These resistors are ideal for power electronics, industrial equipment, and where high current handling and flame resistance are critical. Their construction and robust design ensure consistent performance under harsh conditions. They also meet IEC standards for solderability and solvent resistance.
Power rating at 25°C: 5s overload rating varies with model
Resistance range: from 8Ω to 6.8kΩ, 900Ω for optimized models
Limiting element voltage: up to 150V depending on model
Resistance Tolerance: <20Ω: 5%, >20Ω: 1%, 2.5%
Construction: Ceramic substrate with interference fit end caps, welded terminations
Termination Material: Hot tin dipped copper wire
Dimensions: Body length up to 45mm, diameter up to 4mm, lead diameter and pitch vary by model
Ambient temperature range: -55°C to +155°C
Flammability: Will not burn or emit incandescent particles under overload
Marking: Color bands or legend marking indicating resistance value and tolerance
Environmental Resistance: Solvent resistant, compliant with IEC standards
Pulse performance: Capable of handling pulses below 100ms with specific energy limits
RoHS compliant and Pb-free
Suitable for surface mount and pre-formed lead configurations
Buy the Buy Wirewound Resistors Series WP4S Part Number WP4S18RJA2 Online
Secure your high-performance flameproof wirewound resistor from TT Electronics online today. The WP4S series offers robust construction, high pulse handling capacity, and RoHS compliance, making it ideal for industrial and power electronics. Whether you need surface mount or pre-formed leads, our resistors deliver consistent, reliable performance under harsh conditions. With easy online ordering, fast delivery, and technical support, upgrading your equipment has never been easier. Trust TT Electronics for quality you can depend on for demanding electronics applications.
Buy TT Electronics WP4S18RJA2 flameproof power resistors now and experience reliable high pulse performance in demanding industrial applications.
Frequently Asked Questions
Where can I buy TTElectronics - Welwyn WP4S18RJA2?
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How do I troubleshoot issues or seek technical support for part WP4S18RJA2?
You can download the WP4S18RJA2 datasheet or visit the TTElectronics - Welwyn website for support.
Who is the manufacturer of WP4S18RJA2?
TTElectronics - Welwyn
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