This part is a kind of semiconductor called JCS5N50FT.

Function of this product has N-CHANNEL MOSFET.

Manufacturers : JILIN SINO-MICROELECTRONICS

Image and pinout :

Some of the text within the PDF file :

N 沟道增强型场效应晶体管 R N-CHANNEL MOSFET JCS5N50VT/RT/CT/FT 主要参数 MAIN CHARACTERISTICS 封装 Package ID 5 A VDSS 500 V Rdson（@Vgs=10V） 1.6Ω Qg 15 nC 用途 z 高频开关电源 z 电子镇流器 z UPS 电源 APPLICATIONS z High efficiency switch mode power supplies z Electronic lamp ballasts based on half bridge z UPS 产品特性 z低栅极电荷 z低 Crss (典型值 16pF) z开关速度快 z产品全部经过雪崩测试 z高抗 dv/dt 能力 zRoHS 产品 FEATURES zLow gate charge zLow Crss (typical 16pF ) zFast switching z100% avalanche tested zImproved dv/dt capability zRoHS product 订货信息 ORDER MESSAGE 订货型号 Order codes 印记 Marking JCS5N50VT-O-V-N-B JCS5N50RT-O-R-N-B JCS5N50CT-O-C-N-B JCS5N50FT-O-F-N-B JCS5N50VT JCS5N50RT JCS5N [ ... ]

JCS5N50FT PDF Datasheet Download