Features: _x000D_ 100% brand new and high quality. _x000D_ Transistors are basic semiconductor device that control current, which can also be used as a non-contact switch. _x000D_ There are total 840 pieces of transistors in this set which will meet you basic needs. _x000D_ All transistors are well packed and assorted in a plastic box for convenient storage. _x000D_ This is a great assortment of transistors for electronic professionals or enthusiasts. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Material: Silicon _x000D_ Application: Amplification _x000D_ Package: TO-92_x000D_ _x000D_ Type & Quantity: _x000D_ 2N2222 NPN 35PCS _x000D_ 2N3904 NPN 35PCS _x000D_ 2N3906 PNP 35PCS _x000D_ 2N5401 PNP 35PCS _x000D_ 2N5551 NPN 35PCS _x000D_ A1015 PNP 35PCS _x000D_ C1815 NPN 35PCS _x000D_ C945 NPN 35PCS _x000D_ S8050 NPN 35PCS _x000D_ S8550 PNP 35PCS _x000D_ S9012 PNP 35PCS _x000D_ S9013 PNP 35PCS _x000D_ S9014 NPN 35PCS _x000D_ S9015 PNP 35PCS _x000D_ BC327 PNP 35PCS _x000D_ BC337 NPN 35PCS _x000D_ BC517 NPN 35PCS _x000D_ BC547 NPN 35PCS _x000D_ BC548 NPN 35PCS _x000D_ BC549 NPN 35PCS _x000D_ BC550 NPN 35PCS _x000D_ BC556 PNP 35PCS _x000D_ BC557 PNP 35PCS _x000D_ BC558 PNP 35PCS _x000D_ Weight: 267g / 9.4oz (approx.) _x000D_ _x000D_ _x000D_ Package list:_x000D_ 1 box * Transistors