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Ohmite PFR5K25R0E Edgewound Round Wire Resistor
OHMITE's PFR5K25R0E is a robust edgewound resistor ideal for demanding industrial environments. Its edgewound design provides low resistance and high power capacity, while the round wire design offers higher resistance with lower power capacity. Constructed with a heavy resistance alloy mounted on ceramic insulators and supported by a metal mounting bracket, these resistors are built to withstand high operating temperatures and prevent corrosion. They are commonly used in power transmission, motor control, and other high-power applications where reliability and performance are critical.
Ohmite PFR5K25R0E Edgewound Round Wire Resistor Specifications:
- Current Rating: Continuous duty as listed on following page
- Wattage Rating: 700 to 1,000 (up to 1,600 watts on special order)
- Resistance: See chart on following page
- Tolerance: ±10% standard, ±5% available
- Temperature Coefficient: ±300 ppm/°C for resistors 50 amps and more; ±500 ppm/°C for resistors 47 amps or less
- Ohmic Values: See chart on following page
- Mounting: Metal mounting bar is slotted on each end to facilitate installation
- Short Term Overload: 10x rated wattage for five seconds
- Percent Rated Power: 60, 80, 40, 20
- Derating: Size (No. of Insulator-Sections Long): 2, 3, 4, 5, 6, 7, 8
- Dimension A (in): 8.875, 11.875, 14.875, 17.875, 20.875, 23.875, 26.875
- Dimension A (mm): (225.43), (301.63), (377.83), (454.03), (530.23), (606.43), (682.63)
- Dimension B (in): 7.250, 10.250, 13.250, 16.250, 19.250, 22.250, 25.250
- Dimension B (mm): (184.15), (260.35), (336.55), (412.75), (488.95), (565.15), (641.35)
- Max. Amps Ohms: See chart on following page
- Resistance Values: See chart on following page
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Frequently Asked Questions
Where can I buy Ohmite PFR5K25R0E?
You can click on the BUY or RFQ button to purchase PFR5K25R0E from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part PFR5K25R0E?
You can download the PFR5K25R0E datasheet or visit the Ohmite website for support.
Who is the manufacturer of PFR5K25R0E?
Ohmite