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Ohmite WHE250FET Miniature Molded Wirewound Resistor
OHMITE's WHE250FET series are miniature molded wirewound resistors engineered for demanding applications requiring high precision and reliability. Manufactured using computer numerical control (CNC) techniques, these resistors ensure consistent quality and tight tolerances. Encapsulated in SUMICON epoxy molding compound, they offer excellent protection against environmental factors. Commonly used in automotive, industrial control, and power supply circuits, the WHE250FET series provides stable resistance and low inductance, meeting MIL-R-26F and MIL-STD-202 standards. Available in a range of resistance values and tolerances, these resistors are a versatile solution for various electronic designs.
Ohmite WHE250FET Miniature Molded Wirewound Resistor Specifications:
- Power Rating: 5 watts
- Resistance Range: 0.10 - 50K ohms
- Weight: 2920 g/1000pc
- 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 WHE250FET?
You can click on the BUY or RFQ button to purchase WHE250FET from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WHE250FET?
You can download the WHE250FET datasheet or visit the Ohmite website for support.
Who is the manufacturer of WHE250FET?
Ohmite