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KEMET Evox Rifa PME271M and PME264 X2 EMI Suppression Capacitors
KEMET Evox Rifa PME271M and PME264 metallized paper capacitors feature a high dielectric constant with excellent self-healing properties and transient handling capabilities. KEMET Evox Rifa metallized paper capacitors develop a high ionization level due to the impregnated dielectric material and maintain outstanding reliability in mains connected and other low frequency applications. KEMET Evox PME271M and PME264 capacitors are constructed of a multi-layer metallized paper dielectric encapsulated and impregnated in self-extinguishing material meeting the requirements of UL94V-O. Typical applications of the KEMET Evox Rifa PME271M and PME264 capacitors are interference suppressors.
KEMET Evox Rifa PME271M and PME264 metallized paper capacitors are classified as both X2 capacitors. X2 capacitors are used in positions where a failure of the capacitor would not expose anybody to danger of electric shock. Both PME271M and PME264 capacitors meet the most stringent IEC humidity class, 56 days; while maintaining the highest possible safety regarding active and passive flammability.
Self Healing of KEMET Evox Rifa Impregnated Paper Capacitors
If a conducting particle or a voltage surge punctures the dielectric, an arc occurs at the point of failure melting the surrounding metal and insulating the area of the breakdown. In the metallized paper capacitor as processed by KEMET Evox Rifa a breakdown caused by a short transient normally results in an improvement of the insulation resistance. KEMET Evox Rifa metallized paper capacitors are to be preferred if the capacitor is to be used where uncontrolled transient voltages can occur.
KEMET Evox Rifa PME271M and PME264 X2 Capacitors:
| Evox Rifa | PME271M - X2 | PME264 - X2 |
KEMET Evox Rifa EMI Suppression X2 Capacitors |
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| International Standard: | IEC 60384-14; EN132400 | IEC 60384-14; EN132400 |
| Rated Voltage VAC (VDC): | 275 VAC | 660 VAC, (1600 VDC) |
| Test Voltage (Factory test): | 2150 VDC | 3000 VDC |
| Max. Temp °C: | 110 | 110 |
| Capacitance range:μF | 0.001uF - 0.6uF | 0.001uF - 0.1uF |
| Capacitance Tolerances: | 20 ±%, 10 ±% | 20 ±% |
| Climatic Category (IEC 60068) | 40/110/56/B | 40/085/56/B |
| Pulse Rise Time, V/μs max. dU/dt in operation: | 400 - 1200 | 600 - 2000 |
| Lead Spacing, mm: | 10.2, 15.2, 20.3, 22.5, 25.4 | 15.2, 20.3, 25.4 |
| Packaging: | Bulk in boxes, on tray or taped on reels | Bulk in boxes, on tray or taped on reels |
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KEMET Evox Rifa PME271M Capacitors
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KEMET Evox Rifa PME264 Capacitors
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