Welcome to our shop! Features: - Transistors are basic semiconductor devices that control current and can also be used as non-contact switches. - This set includes a total of 200 transistors in 10 different values, meeting your basic needs. - All transistors are well packed and assorted in a transparent box for convenient storage. - The box is labeled, making it easy for you to identify the type of transistor you need. - This assortment of transistors is great for electronic professionals or enthusiasts. Specifications: - Material: Silicon - Package: TO-92 - Application: Amplification - Type and Quantity: - BC327: 20pcs - BC337: 20pcs - BC517: 20pcs - BC547: 20pcs - BC548: 20pcs - BC549: 20pcs - BC550: 20pcs - BC556: 20pcs - BC557: 20pcs - BC558: 20pcs Package Includes: - 1 Box of Transistors Note: Transistors are sorted manually, so there might be small mistakes in type and quantity. Thanks for your understanding. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.