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ECC33Sensibly equivalent¶ to:See also:
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Mullard, in 1949, describe the ECC33 as a high slope, low impedance double triode with low heater consumption, primarily intended for use in flip-flop, scaling and computer circuits. The electrode assembly is considerably smaller than other double triodes of the period.More images on the CV2821 exhibit.The wide glass tube envelope is 29 mm in diameter and, excluding the IO base pins, is 68 mm tall.References: Data-sheet & 1040. Type ECC33 was first introduced in 1949. See also 1949 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | g1(2) | a(2) | k(2) | g1(1) | a(1) | k(1) | h | h |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm |
| 6.3 | 0.4 | 250 | -4 | 9 | 9,700 | 3.6 |
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Updated March 07, 2022.
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