This part is a kind of semiconductor called MOC3041M.

Function of this product has 6-PIN DIP ZERO-CROSS OPTOISOLATORS TRIAC DRIVER OUTPUT.

Manufacturers : Fairchild Semiconductor

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Some of the text within the PDF file :

6-PIN DIP ZERO-CROSS OPTOISOLATORS TRIAC DRIVER OUTPUT (250/400 VOLT PEAK) MOC3031M DESCRIPTION The MOC303XM and MOC304XM devices consist of a AlGaAs infrared emitting diode optically coupled to a monolithic silicon detector performing the function of a zero voltage crossing bilateral triac driver. They are designed for use with a triac in the interface of logic systems to equipment powered from 115 VAC lines, such as teletypewriters, CRTs, solid-state relays, industrial controls, printers, motors, solenoids and consumer appliances, etc. 6 6 1 1 MOC3032M MOC3033M MOC3041M MOC3042M MOC3043M FEATURES • • • • Simplifies logic control of 115 VAC power Zero voltage crossing dv/dt of 2000 V/µs typical, 1000 V/µs guaranteed VDE recognized (File # 94766) -ordering option V (e.g., M [ ... ]

MOC3041M PDF Datasheet Download