Description: Name: NPN/PNP transistors assortment kit 18 values resistor, each values include 50 pieces, total include 900 pieces. Conventient for DIY and repair equipment and electrial appliances. Scope of application: security equipment, household appliances, 3C digital, smart home, measuring instruments, medical electronics, automotive electronics, network communications etc. Material: silicone; Size: approx. 18x5x3mm / 0.7x0.2x0.1inch Package Includes: 900 Piece Transistors Assortment Kit