Size dosn't matter. I'be been looking for suppliers of bc846s, bc856s, but been unable to find any that ships less than 1k+ devices. Do you know any? (I live in Denmark by the way).
I want the pairs mainly because of thermal matching, but the enclosed low vbe dispersal is also a plus. Any par will probably do fine. Accessibility seams to be the main concern.
My applicating is the input stage of a self osscilating class d afmplfier. The transistors are to work with a vce of 40 volts, so this vbss should be larger than this.
I have a whole bunch of pumt1, pumz1 anf pumx1 (Philips) pairs, but their vbss is only rated to 30 vols. I've used these devises in simulations and reduced their vce with two cascode couplings. They work very well in this configuration, but devices with a higher vbss rating would simpliy things a bit.