This part is a kind of semiconductor called 9014W.
Function of this product has Silicon NPN transistor.
Manufacturers : FOSHAN BLUE ROCKET
Image and pinout :

Some of the text within the PDF file :
9014W(BR3DG9014W) Rev.C Feb.-2015 DATA SHEET 描述 / Descriptions SOT-323 塑封封装 NPN 半导体三极管。Silicon NPN transistor in a SOT-323 Plastic Package. 特征 / Features PC 大,hFE 高且特性好,与 9015W(BR3CG9015W)互补。 High PC and hFE, excellent hFE linearity, complementary pair with 9015W(BR3CG9015W). 用途 / Applications 用于低电平、低噪声的前置放大器。 Low frequency, low noise pre-amplifier. 内部等效电路 / Equivalent Circuit 引脚排列 / Pinning 3 21 PIN1:Emitter PIN 2:Base PIN 3:Collector 印章代码 / Marking hFE Classifications Symbol hFE Range Marking A 60~150 HJ6A B 100~300 HJ6B C 200~600 HJ6C D 400~1000 HJ6D http://www.fsbrec.com 1/6 9014W(BR3DG9014W) Rev.C Feb.-2015 极限参数 / Absolute Maximum R [ ... ]
9014W PDF Datasheet Download
