myMectronic
myMectronic

A Premier B2B Part Search

TTElectronics - Welwyn MFR4300RFI Metal Film Resistor

The MFR Series metal film resistors offer professional-grade performance with tight tolerances down to 0.5% and low temperature coefficients as low as 50ppm/°C. These resistors are RoHS3 compliant, Pb-free, and meet CECC 40101-803 and 019 standards, making them suitable for precise electronic applications. Available in various resistance ranges from 1Ω to 1MΩ, they feature high reliability, thermal stability, and moisture resistance, ideal for consumer electronics, industrial equipment, and precision instrumentation requiring consistent performance and durability.

Authorized Distributors
Source:Newark
Part No:MFR4-300RFI
Stock:9769
Inv Date:06-09-2026
Price: Unit price: $0.235
Buy/RFQ:
Part No:MFR4-300RFI
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

TTElectronics - Welwyn MFR4300RFI Metal Film Resistor Specifications:

  • Resistance range: 1Ω to 1MΩ
  • Tolerance: 0.5% and 1%
  • Temperature coefficient: 50ppm/°C
  • Power rating at 70°C: 0.125W to 0.5W depending on series
  • Limiting element voltage: 200V to 350V
  • Dimensions (mm): Length up to 37mm, diameter up to 20mm
  • Material: Metal alloy film on ceramic core
  • Terminations: Hot tin dipped copper wire
  • Operating temperature range: -55°C to +155°C
  • Rating life: 1000 hours at 70°C with minimal resistance change
  • Insulation resistance: >1GΩ
  • Certifications: RoHS3, CECC 40101-803, 019

Buy the TT Electronics Series MFR Metal Film Resistors: MFR4300RFI

Purchase the TT Electronics MFR4300RFI metal film resistor online today for your electronic projects. Featuring a 0.5% tolerance, low TCR of 50ppm/°C, RoHS compliance, and robust construction, this resistor ensures high reliability and stability even in demanding environments. Whether for industrial applications, precision instruments, or consumer electronics, this resistor offers excellent performance, thermal stability, and moisture resistance. Order now to benefit from fast delivery and quality assurance, making your assembly process efficient and dependable.

Get TT Electronics MFR4300RFI today—built for precision and long-lasting durability in electronic circuits.

Frequently Asked Questions

Where can I buy TTElectronics - Welwyn MFR4300RFI?

You can click on the BUY or RFQ button to purchase MFR4300RFI from an authorized TTElectronics - Welwyn distributor.

How do I troubleshoot issues or seek technical support for part MFR4300RFI?

You can download the MFR4300RFI datasheet or visit the TTElectronics - Welwyn website for support.

Who is the manufacturer of MFR4300RFI?

TTElectronics - Welwyn

TTElectronics - Welwyn Part List

Browse and search other TTElectronics - Welwyn parts, locate datasheets and stock

Sponsored by