Transistor Can Packages TO-39 Case, Through-Hole
TO-39 Package
The TO-39 package is a through-hole device [metal can].
The TO-39 metal can has three terminals; Lead 1; Emitter, Lead 2; Base, Lead 3; Collector.
Normal heat-sinks for the TO-39 will snap-on the the top of the metal case, other Solid aluminum heatsink slides over top of the TO-39.
Additional types of Transistor cases, or
IC Packages.
TO-39 Transistor Lead Identification
