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Ohmite WHA75RFE Miniature Molded Wirewound Resistor
OHMITE's WHA75RFE series represents a range of miniature molded wirewound resistors engineered for high precision and reliability. Manufactured using CNC wire winding and spot welding, these resistors ensure consistent quality and tight tolerances. Encapsulated in SUMICON epoxy molding compound, they offer excellent protection and are suitable for demanding applications such as automotive, industrial control, and military equipment. The resistors are designed to meet MIL-R-26F specifications, ensuring performance and durability in critical environments. Their compact size and robust construction make them a versatile choice for space-constrained designs requiring accurate resistance values.
Ohmite WHA75RFE Miniature Molded Wirewound Resistor Specifications:
- Power Rating: 0.5 watts
- Resistance Range: 0.100 - 1.0K ohms
- Weight: 216 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 WHA75RFE?
You can click on the BUY or RFQ button to purchase WHA75RFE from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WHA75RFE?
You can download the WHA75RFE datasheet or visit the Ohmite website for support.
Who is the manufacturer of WHA75RFE?
Ohmite