The document describes the features and characteristics of the TN22 fluorescent tube lamp starter, including high clamping voltage structure, low gate triggering current, and high holding current. This product provides high energy striking characteristics with low triggering power, improving the reliability and lifespan of fluorescent tube lamps.
The TN22 is a Fluorescent tube lamp starter SCR specifically developed for use in tube lamp electronic starter circuits. It features a high clamping voltage structure (1200 to 1500 V) and low gate triggering current for direct drive from the line, ensuring high reliability and extended life for fluorescent lamps.
The document provides absolute ratings, electrical characteristics, and static electrical characteristics for the device. It also includes application information describing the electronic starter circuit schematic and the three operating steps: preheating, ignition, and lighting.
The preheating time is typically in the range of 2 to 3 seconds depending on the tube characteristics.
A 1200 V to 1500 V level is necessary to ensure a correct ignition of the fluorescent tubes.