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2N1516: Difference between revisions
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{{Discrete component | {{Discrete component | ||
|Model=2N1516 | |Model=2N1516 | ||
|Part_nos= | |Part_nos=151-015 | ||
|Description=Germanium PNP transistor | |Description=Germanium PNP transistor | ||
|Used_in=3S76; | |Used_in=3S76; | ||
| Line 15: | Line 15: | ||
Due to [[Germanium transistors|tin whiskers growing inside the case]], 2N1516s are a common source of problems on some equipment of the early 1960s. | Due to [[Germanium transistors|tin whiskers growing inside the case]], 2N1516s are a common source of problems on some equipment of the early 1960s. | ||
For more information, see the [[Germanium transistors]] page. | |||
==Links== | ==Links== | ||
* [https://www.vintage-radio.net/forum/showthread.php?t=5058 Thread on tin whiskers in OC170/OC171 @ vintage-radio.net] / [https://www.vintage-radio.net/forum/showthread.php?t=35171 Detail pictures] | * [https://www.vintage-radio.net/forum/showthread.php?t=5058 Thread on tin whiskers in OC170/OC171 @ vintage-radio.net] / [https://www.vintage-radio.net/forum/showthread.php?t=35171 Detail pictures] | ||
Early manuals for the [[3S76]] call | Early manuals for the [[3S76]] call out [[OC170]]s in the 1963 schematics but only mention 2N1516s in the parts list. | ||
Later manuals, with schematics dated 1967, no longer call out [[OC170]] transistors anywhere. | |||
It seems likely that [[OC170]]s were used in pre-production, and possibly very early production [[3S76]]s, but were changed to 2N1516s very quickly. | It seems likely that [[OC170]]s were used in pre-production, and possibly very early production [[3S76]]s, but were changed to 2N1516s very quickly. | ||