| Part Number | EC81 |
| Manufacturer | Philips |
| Title | UHF Oscillator Triode |
| Description | page 1 2 3 4 5 6 7 8 9 10 11 12 13 EC81 sheet 1 1 2 2 3 4 A B C D E F FP date 1953.11.11 1961.03.03 1953.11.11 1961.03.03 1953.11.11 1953.11.11 ... |
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| Datasheet |
 EC81 Datasheet
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