Save fluorescent choke to get e-mail alerts and updates on your eBay Feed. Unfollow fluorescent choke to stop getting updates on your eBay feed. Fluorescent Switch Start Chokes.
The inductance of the choke causes a voltage spike when the starter switches off. This is due to the sudden change in current flow and can help achieve the initial spark required to start the fluorescent tube. The fluorescent starter is a time-delay switch that opens after a second or two.
When it opens, the voltage across the tube allows a stream of electrons to flow across the tube and ionize the mercury vapor. The choke controls the current once the tube has been starteas it has a high impedance at the operating frequency of the tube (about 20kHz). It has a low impedance during start-up when the mains current flows through the cathodes and starter at 50Hz.

What is the importance of starter and choke in. This Watt Switch Start Ballast from Tridonic Lighting is a non-dimmable magnetic choke offering an impressive 100hour life alongside low power consumption. Suitable for Pin 2D compact fluorescent lamps this gear requires a capacitor and igniter to operate. This principle of the choke is exploited in lighting a fluorescent tube light. When an AC voltage is applied to a tube light fixture, the voltage passes through the choke , the starter, and the filaments of the tube.








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