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Ohmite 85FR121 Silicone-Ceramic Conformal Resistor
Ohmite’s 85FR121 resistor is a premium conformal axial terminal silicone-ceramic coated wirewound resistor. Designed for applications requiring high precision and stability, these resistors offer a low-temperature coefficient and maintain a high degree of stability under demanding conditions. They are constructed with all-welded construction for reliability. The RW Series “Mil” value resistors are marked with “Mil” in accordance with MIL-R-26 specifications. Available in various ohmic values and wattage ratings, these resistors are suitable for precision power applications and are a reliable choice for critical circuits.
Ohmite 85FR121 Silicone-Ceramic Conformal Resistor Specifications:
- Coating: Silicone-ceramic
- Core: Ceramic
- Terminals: Solder-coated copper clad axial
- Derating: Linearly from 100% @ +25°C to 0% @ +275°C
- Tolerance: ±5% (J type), ±1% (F type)
- Power rating: Based on 25°C free air rating
- Maximum ohmic values: See chart
- Overload: Under 5 watts: 5 times rated wattage for 5 seconds. 5 watts and over: 10 times rated wattage for 5 seconds
- Temperature coefficient: {'Under 1Ω': '±90 ppm/°C', '1 to 9.99Ω': '±50 ppm/°C', '10Ω and over': '±20 ppm/°C'}
- Dielectric withstanding voltage: {'500 VAC': '1 watt rating', '1000 VAC': '2, 3, 5, 7, and 10 watt rating'}
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Frequently Asked Questions
Where can I buy Ohmite 85FR121?
You can click on the BUY or RFQ button to purchase 85FR121 from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part 85FR121?
You can download the 85FR121 datasheet or visit the Ohmite website for support.
Who is the manufacturer of 85FR121?
Ohmite