TO-3 at Motorola around 1955. The lead spacing was originally intended to allow plugging the device into a then-common tube socket. The metal package can be attached to a heat sink, making it suitable for devices dissipating several watts of heat. Thermal compound is used to improve heat transfer between the device case and the heat sink. Since the device case is one of the electrical connections, an insulator may be required to electrically isolate the component from the heatsink. Insulating washers may be made of mica or other materials with good thermal conductivity. The case is used with high-power and
Murder Ain't What it Used to Be Murder Ain't What it Used to Be Murder Ain't What it Used to Be is the seventh episode of the popular 1969 ITC British television series "Randall and Hopkirk (Deceased)" starring Mike Pratt, Kenneth Cope and Annette Andre. Directed by Jeremy Summers, the episode was first broadcast on 2 November 1969 on ITV. Crime boss Paul Kirstner flies over to Great Britain from New York City to attend to "business" in London. Behind most of the rackets in Chicago, he hires Jeff to protect his daughter from any of his enemies whilst in London. However, Kirstner is being haunted by