Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| SN75176 |
|
| Texas Instruments, Dallas |
USA |
|
| SN75188 |
|
| Texas Instruments, Dallas |
USA |
|
| SN75189 |
|
| Texas Instruments, Dallas |
USA |
|
| SN75451 |
|
| Texas Instruments, Dallas |
USA |
|
| SN75477 |
|
| Texas Instruments, Dallas |
USA |
|
| SN75492 |
|
| Texas Instruments, Dallas |
USA |
|
| SNCBTD3384 |
|
| Texas Instruments, Dallas |
USA |
|
| SP4 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| SP42 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| SP201 |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| SP212 |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| SP232 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| SP485EC |
|
| Common type USA tube/semicond. |
USA |
|
| SP3223 |
|
| Common type Worldwide tube/s... |
ZZ |
|
|
| SP8629 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| SP8647 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| SPG8640 |
|
| Seiko Epson, Daiwa Kogyo; Su... |
J |
|
| SPG8651 |
|
| Common type Japan tube/semic... |
J |
|
| SPP20N60S5 |
|
| Common type Europe tube/semi... |
EU |
|
| SPP21N50C3 |
|
| Common type Europe tube/semi... |
EU |
|
| SPW17N80C3 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| SR2 |
|
| Cerberus AG, Schweiz |
CH |
|
| SR504 |
|
| Common type USA tube/semicond. |
USA |
|
| SRC1201U |
|
| Common type Worldwide tube/s... |
ZZ |
|
| SRS326 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| SRS502 |
|
| Phönix Röntgenröhrenwerk, Ru... |
D |
|
| SRS552N |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| SRS4451 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| SRS4452 |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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