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TTElectronics - Welwyn MFR53K3FI Metal Film Resistor

The MFR series is a professional-grade metal film resistor offering low TCR down to 50ppm/°C and tolerances as tight as 0.5%. These resistors are compliant with BSCECC 40101-803 and 019 standards, making them suitable for precision applications in electronics. They feature robust physical design with ceramic cores and high dielectric coatings, ensuring reliability under thermal stress. The series covers resistance ranges from 10 ohms to 1 megaohm, with power ratings up to 0.5W at 70°C. These components are Pb-free, RoHS compliant, and ideal for demanding industrial and consumer electronic projects.

Authorized Distributors
Source:Newark
Part No:MFR5-3K3FI
Stock:836
Inv Date:06-09-2026
Price: Unit price: $0.344
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Part No:MFR5-3K3FI
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn MFR53K3FI Metal Film Resistor Specifications:

  • Resistance Range: 10 ohms to 1 megaohm
  • Tolerance: 0.5% to 1%
  • Temperature Coefficient: down to 50ppm/°C
  • Power Rating at 70°C: 0.25W to 0.5W depending on series
  • Voltage Rating: 200V to 350V depending on series
  • Physical Dimensions: Length up to 37mm, diameter around 2.0 to 3.6mm
  • Construction: Metal film sputtered on ceramic core, moisture resistant coating
  • Terminations: Hot tin dipped copper wire, solderable
  • Environmental Resistance: Climatic category 55/125/56, suitable for -55°C to +155°C
  • Certifications: RoHS, UL-listed compatible, BSCECC 40101-803/019, IEC standards
  • Packaging: Tape packed for automated insertion, optional leaded or formed variants

Buy the TT Electronics MFR53K3FI – Reliable Metal Film Resistor for Industrial Applications

Purchase the reliable Metal Film Resistor from TT Electronics online today for high-precision electronic applications. Designed for industrial and high-reliability circuits, this resistor offers low TCR, tight tolerances, and excellent temperature stability. Suitable for demanding environments, it features moisture-resistant coatings, RoHS compliance, and robust construction. With varied resistance ranges up to 1 megaohm and power ratings up to 0.5W at 70°C, it ensures dependable performance in both commercial and professional electronics. Secure your order now for reliable circuit protection and calibration.

Get TT Electronics MFR53K3FI today—built for precision and long-lasting durability in electronic projects.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn MFR53K3FI?

You can click on the BUY or RFQ button to purchase MFR53K3FI from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part MFR53K3FI?

You can download the MFR53K3FI datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of MFR53K3FI?

TTElectronics - Welwyn

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