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Package Outlines - TO

 

The TO (Transistor Outline) series of metal can packages has been around since the 1950s, when the first commercial transistors became available. Over time, plastic was substituted for some applications, and the applications expanded to include circuits like voltage regulators, photosensors.











TO-3TO-8
TO-8B/LPTO-92
TO-202 TO-220
TO-226TO-237
TO-263 
 
 



Webmaster: Kirt Blattenberger, BSEE, UVM 1989