This part is a kind of semiconductor called 3DA2688.

Function of this product has SILICON NPN TRANSISTOR.

Manufacturers : Foshan Eming Electronics

Image and pinout :

Some of the text within the PDF file :

2SC2688(3DA2688) 硅 NPN 半导体三极管/SILICON NPN TRANSISTOR 用途:用于彩电色度输出电路。 Purpose: Color TV chroma output circuits. 特点:Cre 小,fT 高。 Features: Low Cre, high fT. 极限参数/Absolute maximum ratings(Ta=25℃) 参数符号 数值 单位 Symbol Rating Unit VCBO 300 V VCEO 300 V VEBO 5.0 V IC 200 mA PC(Ta=25℃) 1.25 W PC(Tc=25℃) 10 W Tj 150 ℃ Tstg -55～150 ℃ 电性能参数/Electrical characteristics(Ta=25℃) 参数符号 Symbol ICBO IEBO hFE VCE(sat) fT Cre 测试条件 Test condition VCB=200V VEB=5.0V VCE=10V IC=50mA VCE=30V VCB=30V IE=0 IE=0 IC=0 IC=10mA IB=5.0mA IC=10mA f=1.0MHz 最小值 Min 40 50 数值 Rating 典型值 Typ 80 最大值 Max 0.1 0.1 250 1.5 3.0 单位 Unit μA μA V MHz pF hFE 分档/hFE cl [ ... ]

3DA2688 PDF Datasheet Download