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TTElectronics - Welwyn WP2S4R7JA25 Flameproof Power Resistor

The WP-S Series wirewound resistors are compact, flameproof power resistors suitable for demanding industrial applications. Featuring surface mount ZI-form options and RoHS compliance with Pb-free terminations, these resistors offer small size, enhanced pulse handling, and flameproof protection. With a power rating of 5s overload at 25°C, resistance ranges from RO68 to 430 ohms, and thermal impedance up to 90°C. Designed with high purity ceramic substrates, interference-fit end caps, and welded terminations, they ensure excellent performance, robustness, and high-temperature stability for reliable operation in harsh environments.

Authorized Distributors
Source:Newark
Part No:WP2S-4R7JA25
Stock:2373
Inv Date:06-09-2026
Price: Unit price: $0.809
Buy/RFQ:
Part No:WP2S-4R7JA25
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.79
Buy/RFQ:

TTElectronics - Welwyn WP2S4R7JA25 Flameproof Power Resistor Specifications:

  • Power rating at 25°C: 5s overload rating suitable for high pulse demands
  • Resistance range: RO68 to 430 ohms, ROS to 900 ohms, RO1 to 2K2, RO15 to 6K8
  • Limiting element voltage: 50 to 150V depending on model
  • Isolation Voltage: up to 500V
  • Resistance Tolerance: <20R: 5%, >20R: 1, 2.5%, <R10: 5%
  • Thermal Impedance: up to 90°C/W
  • Ambient temperature range: -55°C to +155°C
  • Dimensions: Length approximately 28mm, Diameter approximately 4mm
  • Construction: Ceramic substrate with welded end caps, flameproof silicone coating
  • Terminations: Hot tin dipped copper wire, IEC 68.2.21 compliant
  • Marking: Colour bands or legend markings as per IEC standards
  • Certifications: RoHS compliant, Pb-free terminations
  • Performance: Tested for load life, dry heat, overload, damp heat, vibration, and robustness

Buy the TT Electronics Series WP-S Flameproof Power Resistor: WP2S4R7JA25

Purchase the TT Electronics WP-S Series flameproof power resistor WP2S4R7JA25 online today and upgrade your industrial systems with reliable, flameproof protection. These resistors are ideal for high pulse applications, providing excellent thermal stability, flameproof safety, and RoHS compliance. Their compact design, welded construction, and ceramic substrate ensure durability in harsh environments. Whether for manufacturing, control systems, or power electronics, buy online now to benefit from fast shipping, expert support, and premium quality components designed for demanding industrial conditions.

Order your TT Electronics WP-S Series flameproof power resistor WP2S4R7JA25 today and ensure robust, high-performance protection for your industrial projects.

Frequently Asked Questions

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You can download the WP2S4R7JA25 datasheet or visit the TTElectronics - Welwyn website for support.

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TTElectronics - Welwyn

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