1、Have high dielectric strength, fast switching speed, high power consumption, and excellent current performance. 2、Excellent choice for DIY. Each transistor model is clearly labeled for easy identification, convenient to use. 3、10 models, including BC327 PNP, BC337 NPN, BC517 NPN, BC547 NPN, BC548 NPN, BC549 NPN, BC550 NPN, BC556 PNP, BC557 PNP, BC558 PNP. 4、Widely used in electric vehicles, smart home security monitoring, communication transmission, electrical power supply and so on. 5、High quality power transistor kit, made of high quality semiconductor material, having stable performance. <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Transistors Material: Semiconductor Model: BC327 PNPBC337 NPNBC517 NPNBC547 NPNBC548 NPNBC549 NPNBC550 NPNBC556 PNPBC557 PNPBC558 PNP<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 200 x Transistors (Each model has 20pcs)&nbsp;