| 摘要 |
<p>The LED tube (5) includes a housing (12) having a light-permeable cover through which light is radiated, several LEDs (7) mounted at the light-transmissive side of the cover, and a printed circuit board mounted with LED power supply device (8). A rectifier unit is arranged for providing direct current for the LEDs, and the LED tube is further arranged with a suppressor diode (9), a varistor, and a clamping circuit. The power supply device is connected to the housing through the connection terminals (10,11).</p> |
