This part is a kind of semiconductor called A1104.

Function of this product has (A1101 - A1106) Continuous-Time Switch Family.

Manufacturers : Allegro MicroSystems

Image and pinout :

Some of the text within the PDF file :

A1101, A1102, A1103, A1104, and A1106 Continuous-Time Switch Family FEATURES AND BENEFITS • AEC-Q100 automotive qualified • Continuous-time operation □□Fast power-on time □□Low noise • Stable operation over full operating temperature range • Reverse battery protection • Solid-state reliability • Factory-programmed at end-of-line for optimum performance • Robust EMC performance • High ESD rating • Regulator stability without a bypass capacitor Packages: 3-pin SOT23W (suffix LH) 3-pin SIP (suffix UA) LH: A1101, A1102, A1103, A1104, and A1106 Not to scale UA: A1101, A1102, A1103, and A1104 UA: A1106 DESCRIPTION The Allegro™ A1101-A1104 and A1106 Hall-effect switches are next generation replacements for the popular Allegro 312x and 314x lines of unip [ ... ]

A1104 PDF Datasheet Download