1,325
edits
2N2207: Difference between revisions
m
add: used in 3s76
No edit summary |
m (add: used in 3s76) |
||
| Line 4: | Line 4: | ||
|Part_nos=151-063,151-0063-00 | |Part_nos=151-063,151-0063-00 | ||
|Description=germanium PNP transistor | |Description=germanium PNP transistor | ||
|Used_in= | |Used_in=3B1;3B3;3S76;321A;547; | ||
}} with | }} with | ||
| Line 11: | Line 11: | ||
* h<sub>fe</sub> (min) = 36 | * h<sub>fe</sub> (min) = 36 | ||
The 2N2207 is used in a variety of 1960s Tektronix equipment including the [[3B1]], [[ | The 2N2207 is used in a variety of 1960s Tektronix equipment including the [[3B1]], [[3B3]], [[3S76]], [[321|321A]], and [[547]]. | ||
Due to [[Germanium transistors|tin whiskers growing inside the case]], | Due to [[Germanium transistors | tin whiskers growing inside the case]], 2N2207s are a common source of problems on equipment of the period. | ||
In most (but not all) circuits, a failed 2N2207 can be replaced with a modern silicon PNP transistor. | In most (but not all) circuits, a failed 2N2207 can be replaced with a modern silicon PNP transistor. | ||