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Ohmite 85FR249 Conformal Axial Terminal Resistor
Ohmite’s 85FR249 resistor is a premium choice for applications requiring high precision and stability. These wirewound resistors boast a conformal silicone-ceramic coating, providing excellent protection and maintaining performance under challenging conditions. The all-welded construction ensures robust reliability, while the low temperature coefficient contributes to exceptional stability. Ideal for precision power applications, these resistors are available in a range of ohmic values and wattage ratings to meet diverse design requirements. They are frequently used in industrial control systems, power supplies, and other critical applications where accuracy and dependability are paramount.
Ohmite 85FR249 Conformal Axial Terminal 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 85FR249?
You can click on the BUY or RFQ button to purchase 85FR249 from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part 85FR249?
You can download the 85FR249 datasheet or visit the Ohmite website for support.
Who is the manufacturer of 85FR249?
Ohmite