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Ohmite WFH90L470JE Aluminum Housed Wirewound Resistor
Ohmite's WFH series aluminum housed wirewound resistors utilize a flat core winding technology, providing a low profile and superior thermal transfer compared to conventional designs. This allows for close mounting of heat-sensitive components and eliminates the need for heat sink compound. The resistors are suitable for applications requiring high power dissipation and robust performance, such as power supplies, motor drives, and braking resistors. They are available with various resistance ranges and termination options to meet diverse application needs.
Ohmite WFH90L470JE Aluminum Housed Wirewound Resistor Specifications:
- Power Rating: 90 watts (at 40°C base plate temperature)
- Resistance Range: 0.22Ω – 6.8KΩ
- Tolerance: ±5%, ±10%
- Temperature Coefficient: Normal: 50ppm - 150ppm, Low ohmic values: 400ppm
- Dielectric Strength: 2500 VAC peak
- Working Voltage: 1200 VAC
- Thermal Resistance (RTH1): 0.75 °C/W
- Thermal Resistance (RTH2): 2 °C/W
- Thermal Resistance (RTH3): 0.17 °C/W
- Thermal Resistance (RTH4): 0.5 °C/W
- Maximum Hot Spot Temperature: <220°C
- Ambient Temperature: -40˚C
- Lead Wire: XLPE, 600V, 125C, 18 AWG stranded
- Insulation: Silicone Rubber & Mica
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Frequently Asked Questions
Where can I buy Ohmite WFH90L470JE?
You can click on the BUY or RFQ button to purchase WFH90L470JE from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part WFH90L470JE?
You can download the WFH90L470JE datasheet or visit the Ohmite website for support.
Who is the manufacturer of WFH90L470JE?
Ohmite