KST55/56 is a PNP transistor produced by Fairchild. Its maximum collector-emitter voltage is -60V/-80V, maximum collector-emitter saturation voltage is -60V/-80V, maximum collector current is -500mA, maximum collector power dissipation is 350mW, and maximum operating temperature is 150℃. Its package form is SOT-23.
This document is a datasheet for the Fairchild Semiconductor KST55 and KST56 PNP epitaxial silicon transistors. The devices are housed in an SOT-23 package and are designed for general-purpose applications requiring specific voltage and current ratings.
The datasheet provides absolute maximum ratings, electrical characteristics, and package dimensions. Key specifications include a collector-emitter voltage of -60V for the KST55 and -80V for the KST56, with a maximum collector power dissipation of 350mW. The document also lists thermal resistance and current gain parameters.
| Collector Power Dissipation | 350 mW |
|---|---|
| Collector Current | -500 mA |
| Storage Temperature | 150 °C |
The transistors are available in an SOT-23 package.
The maximum collector current is -500 mA.