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Vishay RWR81S1000FRB12 Military Wirewound Resistor
The RWR81S1000FRB12 is a high-reliability, military-grade wirewound resistor designed for demanding aerospace and military applications. It features a welded construction, high-temperature silicone coating, and is qualified to MIL-PRF-39007 standards. Available in non-inductive styles with Ayrton-Perry winding, it offers a resistance range from 0.499 ohms to 1K ohms, with failure rates as low as 0.01% per 1000 hours. Its robust design ensures excellent electrical performance, insulation resistance of at least 1000 MΩ, and capability to withstand high voltage, temperature extremes, and mechanical stresses.
Vishay RWR81S1000FRB12 Military Wirewound Resistor Specifications:
- Power Rating: 1 W
- Resistance Range: 0.499 ohms to 1K ohms
- Resistance Tolerance: ±1%, ±5%, ±10%
- Failure Rate: 0.01% per 1000 hours (Type RWR), “S” level available
- Maximum Working Voltage: 500 V for 2 W and smaller, 1000 V for 3 W and larger
- Operating Temperature Range: -55°C to +250°C
- Dielectric Withstanding Voltage: 500 V (RWR80, RWR81, RWR82), 1000 V (others)
- Insulation Resistance: ≥ 1000 MΩ dry, ≥ 100 MΩ after moisture test
- Terminal Strength: ≥ 5 lbs (2 W and smaller), ≥ 10 lbs (larger)
- Dimensions (in inches): Ranging from 0.250 x 0.085 x 0.020 for RWR81 to 1.780 x 0.375 x 0.040 for RWR78
- Material: Ceramic core with high-temperature silicone coating, stainless steel end caps
- Environmental: Capable of withstanding thermal shock, vibration, humidity, and high-temperature exposure
- Certifications: MIL-PRF-39007 Qualified, military star-rated reliability
- Physical: Axial leaded, welded construction, suitable for harsh environments
Buy the Buy Vishay RWR81S1000FRB12 Resistor Part Number RWR81S1000FRB12 Online
Order the Vishay RWR81S1000FRB12 military wirewound resistor online today for reliable performance in demanding aerospace and defense applications. With MIL-PRF-39007 qualification, welded construction, and high temperature silicone coating, this resistor ensures durability under extreme conditions. Its resistance ranges from 0.499 ohms to 1K ohms, making it suitable for precision circuits requiring low failure rates and high insulation resistance. Purchased online, it guarantees fast delivery, competitive pricing, and confidence in high-quality, military-grade components to support your critical systems.
Get Vishay RWR81S1000FRB12 resistor today—engineered for military reliability with axial leads and high temperature silicone coating.
Frequently Asked Questions
Where can I buy Vishay RWR81S1000FRB12?
You can click on the BUY or RFQ button to purchase RWR81S1000FRB12 from an authorized Vishay distributor.
How do I troubleshoot issues or seek technical support for part RWR81S1000FRB12?
You can download the RWR81S1000FRB12 datasheet or visit the Vishay website for support.
Who is the manufacturer of RWR81S1000FRB12?
Vishay