Catalog > Semiconductors > Discrete Semiconductors > Transistors 2N5551 Bipolar Junction Transistor SI-N 180V 0.6A 0.31W VID. Part No: 2N5551 0.62 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Polarity NPN Material Silicon Power Dissipation 0.31A Downloads Datasheet - 2N5551 PDF File 88.67 KB