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Ohmite R5J250E Radial Wirewound Resistor
The OHMITE R5J250E is a tubular radial terminal wirewound resistor specifically engineered for printed circuit board (PCB) applications. Its radial construction allows for direct insertion into standard 0.10 inch matrix boards with 0.046 inch diameter holes, providing a built-in standoff to reduce board temperature. The resistor utilizes a ceramic core and a vitreous enamel coating (except for values above 4.7K (3W) and 7.5K (5W), which are supplied in silicone-ceramic coatings). It's ideal for applications requiring precise resistance and good thermal performance, and is RoHS compliant. Values above 3.9K (3W) and 8.2K (5W) should be used with caution and may require burn-in or thermal cycling.
Ohmite R5J250E Radial Wirewound Resistor Specifications:
- Material Core: Ceramic
- Coating: Vitreous enamel (except for values above 4.7K (3W) and 7.5K (5W), which are silicone-ceramic)
- Terminals: Solder coated radial, #20 ga. tinned terminals
- Derating: Linearly from 100% @ +25°C to 0% @ +350°C
- Tolerance: +/- 5% (J)
- Power Rating: Based on 25°C free air rating
- Overload (3W): 5 times rated wattage for 5 seconds
- Overload (5.25W): 10 times rated wattage for 5 seconds
- Temperature Coefficient: +/- 260 ppm/°C
- Max Amps Calculation: √P/R
- RoHS Compliant: Yes
- Dimensions (in.): A±0.010", 0.031" min., L±0.016", H±0.031", 0.25"±0.031", 6.35 mm±0.794
- Values above 3.9K (3W) and 8.2K (5W): Should not be used in critical applications without burn-in and/or thermal cycling
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Frequently Asked Questions
Where can I buy Ohmite R5J250E?
You can click on the BUY or RFQ button to purchase R5J250E from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part R5J250E?
You can download the R5J250E datasheet or visit the Ohmite website for support.
Who is the manufacturer of R5J250E?
Ohmite