X-Capacitor is a safety-rated capacitor used in EMI filters to suppress differential-mode interference across power lines.
An X-Capacitor is a specialized film or ceramic capacitor designed for across-the-line applications in EMI/RFI filters. It is safety-certified to withstand high-voltage transients and prevent short-circuit failures that could cause fire or electric shock. Positioned between line and neutral conductors, it attenuates differential-mode noise by providing a low-impedance path for high-frequency interference while blocking mains frequency. Rated for continuous operation at mains voltages (typically 250VAC to 310VAC) with impulse withstand voltages up to several kilovolts.
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X1 capacitors withstand higher impulse voltages (≥2.5kV) for industrial applications with severe transients. X2 capacitors (≤1.2kV impulse) are for general-purpose equipment with moderate transients.
No. Using uncertified capacitors in across-the-line positions violates safety regulations (IEC/UL) and risks fire from dielectric breakdown during voltage surges.
X-Capacitors are placed line-to-neutral for differential-mode noise. Y-Capacitors are line-to-ground or neutral-to-ground for common-mode noise and require higher safety isolation.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。