Feature: 1. Made of durable materials, many specifications and long service life. 2. These triode transistors are widely used, exquisite workmanship, and easy to carry. 3. Suitable for college students/engineers/technicians/factories/personal DIY/electronic enthusiasts and other operations. 4. These transistor assortment kits come in box for easy carrying and storage. 5. There are 24 specifications, which are convenient and practical to meet your different needs. Specification: Item Type: Power Transistor Kit.Specification: BC327 PNP BC337 NPN BC517 NPN BC547 NPN BC548 NPN BC549 NPN BC550 NPN BC556 PNP BC557 PNP BC558 PNP 2N2222 NPN 2N3904 NPN 2N3906 PNP 2N5401 PNP 2N5551 NPN A1015 PNP C1815 NPN C945 NPN S8050 NPN S8550 PNP S9012 PNP S9013 PNP S9014 NPN S9015 PNP Package List: 35 x BC327 PNP Power Transistor 35 x BC337 NPN Power Transistor 35 x BC517 NPN Power Transistor 35 x BC547 NPN Power Transistor 35 x BC548 NPN Power Transistor 35 x BC549 NPN Power Transistor 35 x BC550 NPN Power Transistor 35 x BC556 PNP Power Transistor 35 x BC557 PNP Power Transistor 35 x BC558 PNP Power Transistor 35 x 2N2222 NPN Power Transistor 35 x 2N3904 NPN Power Transistor 35 x 2N3906 PNP Power Transistor 35 x 2N5401 PNP Power Transistor 35 x 2N5551 NPN Power Transistor 35 x A1015 PNP Power Transistor 35 x C1815 NPN Power Transistor 35 x C945 NPN Power Transistor 35 x S8050 NPN Power Transistor 35 x S8550 PNP Power Transistor 35 x S9012 PNP Power Transistor 35 x S9013 PNP Power Transistor 35 x S9014 NPN Power Transistor 35 x S9015 PNP Power Transistor