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DF70Sensibly equivalent¶ to:
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The DF70 is a sub miniature voltage amplifying pentode for use in hearing aids.Reference: Data-sheet. Type DF70 was first introduced in 1948. See also 1948 adverts. |
Absolute Maximum Operating Conditions¶
| Vh | Ah | 
| 0.625 | 0.025 |
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PDF scanned from an original document held by the museum |
Updated August 01, 2019.
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