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Ohmite WNA5R0FET Miniature Molded Wirewound Resistor
OHMITE's WNA5R0FET 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 protection against environmental factors and mechanical stress. Commonly used in automotive, industrial control, and power supply applications, the WNA5R0FET series provides a dependable solution for current sensing, voltage division, and termination circuits. Their compact size and robust construction make them ideal for space-constrained designs requiring high accuracy and stability.
Ohmite WNA5R0FET Miniature Molded Wirewound Resistor Specifications:
- Power Rating: See Table
- Resistance Range: See Table
- 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 WNA5R0FET?
You can click on the BUY or RFQ button to purchase WNA5R0FET from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WNA5R0FET?
You can download the WNA5R0FET datasheet or visit the Ohmite website for support.
Who is the manufacturer of WNA5R0FET?
Ohmite