This part is a kind of semiconductor called B834.

Function of this product has Silicon PNP transistor.

Manufacturers : BLUE ROCKET ELECTRONICS

Image and pinout :

Some of the text within the PDF file :

2SB834(BR3CA834R) Rev.C Feb.-2015 DATA SHEET 描述 / Descriptions TO-220 塑封封装 PNP 半导体三极管。Silicon PNP transistor in a TO-220 Plastic Package. 特征 / Features 饱和压降低，集电极耗散功率大,与 2SD880(BR3DD880R)互补。 Low collector saturation voltage, collector power dissipation, complementary to 2SD880(BR3DD880R). 用途 / Applications 用于音频功率放大。 Audio frequency power amplifier applications. 内部等效电路 / Equivalent Circuit 引脚排列 / Pinning 12 3 PIN1：Base PIN 2：Collector PIN 3：Emitter 放大及印章代码 / hFE Classifications & Marking hFE Classifications Symbol hFE Range O 60～120 Y 100～200 GR 150～300 http://www.fsbrec.com 1/6 2SB834(BR3CA834R) Rev.C Feb.-2015 DATA SHEET 极限参数 / Abso [ ... ]

B834 PDF Datasheet Download