TO-204

A special case, one of a kind TO-3 is its name, you see For power semiconductors, it's the key All housed in this case, that's for sure With a flat surface, it's designed To attach to a heatsink, oh so fine A drawing series, precise and fine JEDEC created this technical art To bring power semiconductors to a start In 1955, they set the pace Dr. Virgil E. Bottom, a leader so grand Headed the group that made this stand For the 2N176, a transistor with skill Lead spacing allowed it to be plugged Into a tube socket, how it buzzed Random page: Wu.