Made of silicone material A transistor is an electronic component used in most electronic circuits in both low and high voltage. It is a fundamental component in electronic devices and logic circuits. Also used as a contactless switch The kit consists of 10 values, 6 pcs in each value, total 60 pcs. Each transistor is clearly marked so you can easily identify the transistor value you need. A transistor is a basic semiconductor device that controls current, which can also be used as a contactless switch. It is very important in electronic circuits. This transistor assortment kit provides a total of 200 pcs of 10 different values to satisfy your different needs. These are the ideal components for electronic repair or electronic DIY projects. Note: The transistors are manually sorted, so there may be slight errors in value and quantity. Thank you for your understanding. Specifications: -Material: GE-N-FET -Conduction Type: Depletion -Applications: A/Broadband Amplification -Type and Quantity: L7805 6 pcs L7806 6 pcs L7809 6 pcs L7812 6 pcs L7815 6 pcs L7824 6 pcs L7905 6 pcs L7912 6 pcs L7915 6 pcs LM317 6 pcs Package Contents: 1 × Box of 60 pcs Triode Transistors