This part is a kind of semiconductor called 541.

Function of this product has HIGH POWER OP-AMP.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

ISO 9001 CERTIFIED BY DSCC M.S KENNEDY CORP. 4707 Dey Road Liverpool, N.Y. 13088 HIGHPOWER POWER HIGH OP-AMP OP-AMP SERIES 541 (315) 701-6751 MIL-PRF-38534 QUALIFIED FEATURES: Available as SMD #5962-8870101 High Output Current - 10 Amps Peak Wide Power Supply Range - ±10V to ±40V Programmable Current Limit FET Input Isolated Case Replacement for OMA 541SKB - MSK 541 OMA 541SDB - MSK 146 OMA 541SZB - MSK 147 MSK145 MSK146 DESCRIPTION: MSK147 MSK541 The MSK 541 Series is a high power monolithic amplifier ideally suited for high power amplification and magnetic deflection applications. This amplifier is capable of operation at a supply voltage rating of 80 volts and can deliver guaranteed continuous output currents up to 5A, making the 541 series an excellent low cost choice for [ ... ]

541 PDF Datasheet Download