Excerpt from the tube collection of Karlheinz Fischer. These images (tube photos) were uploaded to the respective tubes or valves by Karlheinz Fischer.
2N3707 |
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Common type USA tube/semicond. |
USA |
|
2N3740 |
|
Common type USA tube/semicond. |
USA |
|
2N3771 |
|
Common type USA tube/semicond. |
USA |
|
2N3772 |
|
Common type USA tube/semicond. |
USA |
|
2N3773 |
|
Common type USA tube/semicond. |
USA |
|
2N3792 |
|
Common type USA tube/semicond. |
USA |
|
2N3858 |
|
General Electric Co. (GE); B... |
USA |
|
2N3877 |
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General Electric Co. (GE); B... |
USA |
|
2N3904 |
|
Common type USA tube/semicond. |
USA |
|
2N3906 |
|
Common type USA tube/semicond. |
USA |
|
2N4033 |
|
Common type USA tube/semicond. |
USA |
|
2N4036 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4037 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4058 |
|
Common type USA tube/semicond. |
USA |
|
2N4064 |
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Common type USA tube/semicond. |
USA |
|
2N4101 |
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RCA (RCA Victor Co. Inc.); N... |
USA |
|
2N4123 |
|
Common type USA tube/semicond. |
USA |
|
2N4124 |
|
Common type USA tube/semicond. |
USA |
|
2N4258 |
|
Fairchild Semiconductor Inc.... |
USA |
|
2N4288 |
|
Common type USA tube/semicond. |
USA |
|
2N4391 |
|
Texas Instruments, Dallas |
USA |
|
2N4403 |
|
Common type USA tube/semicond. |
USA |
|
2N4443 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N4444 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N4871 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
2N4919 |
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Common type USA tube/semicond. |
USA |
|
2N4921 |
|
Common type USA tube/semicond. |
USA |
|
2N4922 |
|
Common type USA tube/semicond. |
USA |
|
2N5043 |
|
Texas Instruments, Dallas |
USA |
|
2N5062 |
|
Motorola Inc. (ex Galvin Mfg... |
USA |
|
Karlheinz Fischer started his/her tube collection (valve collection) here on 19.Nov.2005.
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