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TTElectronics - Welwyn MFR420KFI metal film resistor

The Welwyn MFR series resistors are high-precision, axial leaded metal film components designed for reliable electronic circuits. Utilizing sputtered thin film technology on a high-purity ceramic core, they offer excellent stability, moisture resistance, and clear terminations. These professional-grade resistors are available from 1 ohm to 1 megaohm, with standard tolerances of 0.5% and 1%, and a temperature coefficient of ±50 ppm/°C. Suitable for demanding applications, they feature a power rating of 500 mW and operate across a wide temperature range of -55°C to 155°C, meeting BSCECC standards.

Authorized Distributors
Source:Newark
Part No:MFR4-20KFI
Stock:344
Inv Date:06-09-2026
Price: Unit price: $0.024
Buy/RFQ:
Part No:MFR4-20KFI
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn MFR420KFI metal film resistor Specifications:

  • Resistance Range: 1 Ω to 1 MΩ
  • Tolerance: 0.5% or 1%
  • Temperature Coefficient: ±50 ppm/°C
  • Power Rating: 0.5 W (500 mW)
  • Operating Temperature Range: -55°C to 155°C
  • Construction: Thin film sputtered on ceramic core
  • Terminations: Moisture-resistant, high dielectric coating
  • Compliance: BSCECC 40101-803 and 019 standards
  • Resistance Values: E24, E96 preferred series
  • Physical Dimensions: Length approx. 6.2 mm to 37 mm depending on type

Buy the Buy TT Electronics MFR Series Part Number MFR420KFI Online

Order the TT Electronics MFR series metal film resistors online today to ensure high accuracy, stability, and reliability in your electronic designs. These resistors offer a broad resistance range from 1 ohm to 1 megaohm, with tolerances of 0.5% or 1% and a temperature coefficient of ±50 ppm/°C, making them ideal for precision circuits. Featuring moisture-resistant coatings, high dielectric strength, and compliance with BSCECC standards, they are suitable for demanding industrial and commercial applications. Purchase now for fast delivery and optimal circuit performance.

Get TT Electronics MFR420KFI today—built for precision and long-lasting durability in professional electronic applications.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn MFR420KFI?

You can click on the BUY or RFQ button to purchase MFR420KFI from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part MFR420KFI?

You can download the MFR420KFI datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of MFR420KFI?

TTElectronics - Welwyn

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