1、Transistor's function is to amplify the weak signal into an electrical signal with a large amplitude value, and also as a non-contact switch. 2、The set includes 18 kinds of Transistor​to meet your different needs. 3、All of these transistor are integrated in a box,convenient to access and storage. 4、High durability and stability for better using performance. 5、Transistor is one of the basic components of semiconductors, with current amplification, is the core component of electronic circuits. Features: Transistor's function is to amplify the weak signal into an electrical signal with a large amplitude value, and also as a non-contact switch. The set includes 18 kinds of Transistorto meet your different needs. All of these transistor are integrated in a box,convenient to access and storage. High durability and stability for better using performance. Transistor is one of the basic components of semiconductors, with current amplification, is the core component of electronic circuits. Specification: Type:Transistor Package List: 50*A1015 Transistor 50*A733 Transistor 50*C954 Transistor 50*C1815 Transistor 50*S8050 Transistor 50*S8550 Transistor 50*S9012 Transistor 50*S9013 Transistor 50*S9014 Transistor 50*S9015 Transistor 50*S9018 Transistor 50*SS8050 Transistor 50*SS8550 Transistor 50*2N2222 Transistor 50*2N3904 Transistor 50*2N3906 Transistor 50*2N5401 Transistor 50*2N5551 Transistor