| Part Number | ECC81 |
| Manufacturer | Philips |
| Title | Double Triode 1955 |
| Description | page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ECC81 sheet 1 2 A B C D E F G H I J K FP date 1955.03.03 1955.03.03 1951.06.06 1951.06.06 1955.01.01 1955.... |
| Features |
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| Datasheet |
 ECC81 Datasheet
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