The LYT6079C-H129 from Power Integrations is a LED Driver with Input Voltage 85 to 305 V, Number of Channel 1 Channel, Number of Output 1, Switching Frequency 118 to 145 kHz, Operating Temperature Range -40 to 150 Degree C. Tags: Surface Mount, Flyback LED Driver. More details for LYT6079C-H129 can be seen below.