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Ohmite WNA100FET Miniature Molded Wirewound Resistor
OHMITE's WNA100FET series represents a range of miniature molded wirewound resistors engineered for high precision and reliability. Manufactured using CNC wire winding and spot welding techniques, these resistors ensure consistent quality and tight tolerances. Encapsulated in SUMICON epoxy molding compound, they offer excellent environmental protection and are suitable for demanding applications in industrial control systems, automotive electronics, and power supplies. The resistors are designed to meet MIL-R-26F specifications, ensuring performance and durability in critical environments. Available in a wide range of resistance values and tolerances, the WNA100FET series provides a versatile solution for various circuit design needs.
Ohmite WNA100FET Miniature Molded Wirewound Resistor Specifications:
- Power Rating: See Table
- Resistance Range: 0.100 - 250 Ω
- Weight: See Table
- Core Material: CeramTec Rubalit® 85% alumina
- End Caps: Stainless steel, precision formed
- Lead Material: Copper wire, 100% Sn (lead free) coated
- Resistance Wire: ISAOHM® wire TC ±20ppm/°C
- Encapsulation: SUMICON 1100/1200 Epoxy molding compound
- Standard Tolerance: D(0.5%), F(1.0%), J(5.0%)
- Temperature Coefficient: ±90 for 0.100Ω-0.99Ω, ±50 for 1.00Ω-10.00Ω, ±20 for >10.00Ω
- Maximum Working Voltage: (PxR)1/2
- Derating: Linearly from 100% @ +70°C to 0% @ +150°C
- Operating Temperature: -55°C to +150°C
- Thermal Shock: ±(1.0% + 0.5mΩ)ΔR
- Short-Time Overload: ±(0.5% + 0.5mΩ)ΔR
- Solderability: >90% of contact face
- Resistance to Heat: ±(0.5% + 0.5mΩ)ΔR
- Dielectric Withstanding Voltage: Pass
- Insulation Resistance: >109Ω
- High Temperature Exposure: ±(1.0% + 0.5mΩ)ΔR
- Low Temperature Storage: ±(0.5% + 0.5mΩ)ΔR
- Life Test: ±(2.0% + 0.5mΩ)ΔR
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Frequently Asked Questions
Where can I buy Ohmite WNA100FET?
You can click on the BUY or RFQ button to purchase WNA100FET from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WNA100FET?
You can download the WNA100FET datasheet or visit the Ohmite website for support.
Who is the manufacturer of WNA100FET?
Ohmite