This part is a kind of semiconductor called FS276.

Function of this product has 2 Phase High Voltage DC Motor Driver IC.

Manufacturers : Feeling Technology

Image and pinout :

Some of the text within the PDF file :

General Description Pb Free The FS276, a 1-chip composed of hall sensor and output coil drivers, applied to a 2-phase DC motor. The high sensitivity of Hall effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans. Typical operation current is 0.4A and operating voltage range is from 3.0V ~ 20V. Using few external components, FS276, a high performance integrated IC, is designed for a 2-phase DC motor circuit. The circuit diagram of the typical application example is as below. Features £» £» £» £» 1 chip hall sensor/drivers Wide operating voltage range: 3.0V~20V Output sink current up to 0.4A Package : TO-92SP-4 TO-92SP-4 Typical Application Circuit VCC FTC S276 Rev0.2 Nov. 09, 2004(LF) P1/FS276 Functional Block Diagram 1 Regulator 2 Hall Se [ ... ]

FS276 PDF Datasheet Download