Maintain a stable and noise-free electrical environment with our Professional 275V Yellow Fan Capacitors. These metallized polypropylene film capacitors are the standard solution for filtering out electromagnetic interference (EMI) and radio frequency interference (RFI) in fan regulators and electronic control boards. Whether you are building a new circuit or repairing a faulty regulator, these "Yellow Box" capacitors ensure your electronics perform without unwanted "pops," "clicks," or hums.
0.01uF / 0.1uF: Best for high-frequency noise snubbing and RFI suppression.
0.22uF / 0.82uF: Standard values for household appliance filtering and general suppression.
1uF / 1.5uF: High-capacity values commonly used in capacitive voltage droppers and fan speed control boards.
Fan Speed Regulators: Prevents electrical noise from affecting other devices when switching fan speeds.
Interference Suppression: Blocks electrical "static" in power strips, LED drivers, and small appliances.
PCB Repair: A direct replacement for degraded filter capacitors in kitchen appliances, vacuum cleaners, and power tools.
Voltage Droppers: Used in low-power transformerless circuits to drop AC mains voltage safely for small electronic components.
Reliable AC Rating: Specifically rated at 275V AC to provide a safe operating buffer for standard 220V–240V power systems.
Superior Noise Rejection: Effectively smooths out electrical spikes, protecting sensitive microcontrollers and audio gear from interference.
Flame Retardant Shell: Encased in a bright yellow, heat-resistant plastic housing designed for safety in enclosed electronics.
Precision Lead Spacing: Standardized radial pins for easy through-hole soldering on printed circuit boards (PCBs).
Self-Healing Dielectric: The internal film can repair minor punctures caused by voltage transients, ensuring a long and stable service life.
Buzz-Free Audio: Excellent for filtering the "hum" out of power supplies in audio-sensitive environments.
Industrial Grade: Trusted by technicians for high insulation resistance and consistent performance across a wide temperature range.
Type: MKP (Metallized Polypropylene Film)
Voltage Rating: 275V AC
Why is my fan regulator causing static on my TV/Radio?
This usually happens when the suppression capacitor (like our 0.1uF or 0.22uF values) has failed. Replacing it helps "snub" the electrical noise that causes interference.
Can I use this for a ceiling fan's main motor?
No. These are for control boards and filtering. For the main motor start/run function, please use our CBB61 450V Wire Lead series.
Are these non-polarized?
Yes. They are designed for AC power, so they can be installed in either direction on the circuit board without issue.
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