Are you in the market for a 120293-0001REVK? Well, it could be yours for $10 million (plus $10 shipping) from American Microsemiconductor Inc.
We'll admit that our knowledge of semiconductors is slim – we wouldn't know a unijunction transistor if it bit us on the Schottky diode – so we'll defer to the lone reviewer of this product, who seems pretty knowledgeable. He writes:
"I popped in my Huey Lewis best of in the tape deck and stuck this in the flux capacitor. Works like a charm."