This part is a kind of semiconductor called YD2030A.

Function of this product has 20W Hi-Fi Audio Amplifier.

Manufacturers : Wuxi Youda Electronics

Image and pinout :

Some of the text within the PDF file :

( DataSheet : ) YOUDA INTEGRATED CIRCUIT YD2030A 20W HI-FI AUDIO AMPLIFIER¡ª DESCRIPTION The YD2030A is a monolithic audio power amplifier integrated circuit. YD2030A FEATURES *Very low external component required. *High Current output and high operating voltage. *Low harmonic and crossover distortion. *Built-in Over temperature protection. *Short circuit protection between all pins. *Safety Operating Area for output transistors. BLOCK DIAGRAM + _ 2 1 3 4 5 WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: www.e-youda.com SHENZHEN OFFICE Tel£º 86-755-83740369 13823533350 Fax£º 86-755-83741418 Ver 3.1 1 of 4 2004-9-20 www.Dat [ ... ]

YD2030A PDF Datasheet Download