Ensure the longevity of your electronics with our Professional 630V Fan Control Board Capacitors. These high-voltage metallized polypropylene film capacitors are engineered specifically for circuit board (PCB) applications, including electronic fan speed regulators, power supplies, and pulse circuits. With a massive 630V rating, these components offer superior protection against voltage spikes and electrical noise.
We offer a full range of precision values for fine-tuning and repair:
Low Values (Pulse/Filtering): 0.1uF / 0.22uF / 0.33uF / 0.47uF / 0.68uF
Mid to High Values (Motor/Regulator): 1uF / 1.5uF / 2.2uF / 3.3uF / 4.7uF
Electronic Fan Regulators: The primary component for stepping down voltage in modern wall-mounted or remote-control fan dimmers.
PCB Power Supplies: Ideal for "cap dropper" circuits used in small household appliances.
Lighting Ballasts: Used in LED drivers and fluorescent lighting circuits for power factor correction.
Induction Cooktops: Provides stable capacitance for high-frequency switching power sections.
Ultra-High 630V Rating: Designed to operate safely in 220V/240V AC environments with plenty of headroom for surge protection.
Self-Healing Technology: In the event of an electrical overstress, the metallized film "self-heals," preventing a short circuit and extending the life of the board.
Low ESR & Heat Dissipation: Engineered for low internal resistance, meaning the capacitor stays cool even during continuous heavy loads.
Precision Pitch: Standard lead spacing designed specifically for through-hole soldering on printed circuit boards (PCBs).
Enhanced Safety: Unlike standard capacitors, these are built to withstand high dV/dt (voltage change over time), making them perfect for noisy electrical environments.
Silent Performance: High-quality film construction eliminates the "whining" or "buzzing" sounds often found in inferior fan regulators.
Stable Capacitance: Maintains a consistent uF value across a wide temperature range, ensuring your fan speeds stay accurate.
Type: CBB Metallized Polypropylene Film
Voltage Rating: 630V DC (Excellent for 250V AC applications)
Why use 630V if my fan is only 240V?
In AC circuits, the "Peak" voltage is much higher than the "RMS" voltage. A 630V DC rating is the industrial standard for ensuring the capacitor can handle the peak spikes of a 240V AC line without failing.
Can I use this to replace a square CBB61 fan capacitor?
These are PCB-mount capacitors. If your fan uses the square box style with wires, these will work electrically if the uF value matches, but they are designed to be soldered directly onto a green circuit board.
Are these non-polarized?
Yes. These are film capacitors and have no polarity. They can be installed in either direction on the PCB.
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