KSP2907A is a PNP general purpose amplifier produced by Fairchild Semiconductor Corporation. Its characteristics are collector-emitter voltage VCEO= 60V, collector power dissipation PC (max)=625mW. The chip has two packages with and without “-C”. The package with “-C” is the center collector and the package without “-C” is the side collector. The chip's model is PN2907A.