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Ohmite 81F2K49 Wirewound Resistor
Ohmite’s 81F2K49 resistor is a high-quality, conformal axial terminal wirewound resistor ideal for applications requiring precision and stability. Constructed with an all-welded design and a silicone-ceramic coating, this resistor maintains a high degree of stability under demanding conditions. It’s suitable for precision power applications and offers a low temperature coefficient, ensuring consistent performance. Available in various ohmic values and wattage ratings, the 81F2K49 is a reliable choice for demanding industrial and commercial applications.
Ohmite 81F2K49 Wirewound Resistor Specifications:
- Coating: Silicone-ceramic
- Core: Ceramic
- Terminals: Solder-coated copper clad axial
- Derating: Linearly from 100% @ +25°C to 0% @ +275°C
- Tolerance: ±1%
- 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 81F2K49?
You can click on the BUY or RFQ button to purchase 81F2K49 from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part 81F2K49?
You can download the 81F2K49 datasheet or visit the Ohmite website for support.
Who is the manufacturer of 81F2K49?
Ohmite