A Premier B2B Part Search
TTElectronics - Welwyn MFR439KFI Metal Film Resistor
The Welwyn MFR series resistors are axial leaded, professional-grade metal film resistors utilizing thin film technology. They feature a precise metal alloy sputtered onto a high-purity ceramic core, with a moisture-resistant, high dielectric strength coating. These resistors are available in resistance values ranging from 1 ohm to 1 megaohm, adhering to E24 and E96 decade values. They are approved to BSCECC 40101-803 and 019 standards, and come in tolerances of 0.5% and 1%. The temperature coefficient (TCR) is ±50ppm/°C, with a power rating of 500mW and an operating temperature range from -55°C to 155°C.
TTElectronics - Welwyn MFR439KFI Metal Film Resistor Specifications:
- Resistance Range: 1Ω to 1MΩ
- Tolerance: 0.5% and 1%
- Temperature Coefficient: ±50 ppm/°C
- Power Rating at 70°C: 0.5W
- Operating Temperature Range: -55°C to 155°C
- Dimensions: Length varies with resistance value, typical diameter 3.4 mm
- Material: Metal film sputtered on ceramic core
- Termination Material: Hot tin dipped copper wire
- Insulation Resistance: >1GΩ
- Voltage Proof: 350V (MFR3), 500V (MFR4 and MFR5)
- Certification: BSCECC 40101-803 and 019 compliance
- Construction: Thin film metal alloy on high purity ceramic, moisture resistant coating
- Marking: Color band coding for 0.5% and 1% tolerance
- Solderability: Meets IEC 115-1 standards
- Voltage Rating: 350V to 700V depending on series
Buy the Buy TT Electronics MFR Series Metal Film Resistors Part Number MFR439KFI Online
Purchase the TT Electronics MFR series metal film resistors online for high precision, excellent stability, and reliability. These axial leaded resistors are suitable for demanding electronic applications, offering TCR of ±50ppm/°C, resistance values from 1 ohm to 1 megaohm, and a power rating of 0.5 watt. They meet industry standards BSCECC 40101-803 and 019, with tolerances down to 0.5%. Ideal for high-temperature environments, these resistors ensure accurate performance over a wide temperature range, providing durability and consistent performance for your professional electronic projects.
Get TT Electronics MFR439KFI today—built for precision and long-lasting durability with ±50ppm/°C TCR and high reliability.
Frequently Asked Questions
Where can I buy TTElectronics - Welwyn MFR439KFI?
You can click on the BUY or RFQ button to purchase MFR439KFI from an authorized TTElectronics - Welwyn distributor.
How do I troubleshoot issues or seek technical support for part MFR439KFI?
You can download the MFR439KFI datasheet or visit the TTElectronics - Welwyn website for support.
Who is the manufacturer of MFR439KFI?
TTElectronics - Welwyn