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TTElectronics - Welwyn MFR45K1FI Metal Film Resistors

The Welwyn MFR series resistors are axial leaded, professional-grade metal film resistors utilizing thin film technology. They provide resistance from 1 ohm to 1 megohm, suitable for various precision electronic applications. The resistance is sputtered onto a high-purity ceramic core, protected by a moisture-resistant, high dielectric coating ensuring durability and clear terminations. These RoHS-compliant resistors feature TCR of ±50ppm/°C, with a power rating of 500mW, and operate reliably in temperatures from -55°C to 155°C, ideal for high-performance electronic circuits.

Authorized Distributors
Source:Newark
Part No:MFR4-5K1FI
Stock:10017
Inv Date:06-09-2026
Price: Unit price: $0.033
Buy/RFQ:
Part No:MFR4-5K1FI
Stock:5522
Inv Date:06-10-2026
Price: Unit price: $0.48
Buy/RFQ:

TTElectronics - Welwyn MFR45K1FI Metal Film Resistors Specifications:

  • Resistance range: 1Ω to 1MΩ
  • Tolerance: 0.5% and 1%
  • Temperature coefficient: ±50ppm/°C
  • Power rating: 0.5W
  • Operating temperature: -55°C to 155°C
  • Resistance element: Thin film sputtered on ceramic core
  • Moisture-resistant coating
  • Terminations: Hot tin dipped copper wire
  • Voltage rating: 250V to 350V depending on series
  • Compliance: BSCECC 40101-803 and 019 standards
  • Dimensions: Length up to 37mm, Dmax 20mm for MFR3, and sizes vary for other series
  • RoHS compliant and Pb-free
  • Marked with color codes for tolerance
  • Vibration and solder heat resistant
  • Suitable for automated assembly

Buy the TT Electronics Series MFR Metal Film Resistors: MFR45K1FI

Order TT Electronics MFR series metal film resistors online today to access high-quality, professional-grade components. Perfect for precision electronic applications, these resistors offer excellent stability, low tolerance, and a broad resistance range. With RoHS compliance and robust construction, they ensure durability in demanding environments. Ideal for automated manufacturing, these resistors provide consistent performance over a wide temperature range from -55°C to 155°C. Enhance your electronic designs by purchasing MFR resistors online for fast delivery and reliable quality assurance.

Buy TT Electronics MFR45K1FI metal film resistors now and experience unmatched reliability and high precision performance in your electronic projects.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn MFR45K1FI?

You can click on the BUY or RFQ button to purchase MFR45K1FI from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part MFR45K1FI?

You can download the MFR45K1FI datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of MFR45K1FI?

TTElectronics - Welwyn

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