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| DL68Sensibly equivalent¶ to:CV2259 | 
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 |  | The DL68 is a sub-miniature output pentode designed for hearing aid use with 22.5 Volt HT. A supplement to the data-sheet gives the basic operating conditions for a 45 Volt HT battery.Reference: Data-sheet. Type DL68 was first introduced in 1952. See also 1952  adverts. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | 5 | |  a | g2 | f+ | g1 | f-,g3 | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | rk | rl | Pout | D | | 
 | 1.25 | 0.025 | 22.5 | 22.5 | -2.2 | 0.6 | 0.5 | 0.1M | 0.43 | - | 37,000 | 5.0mW | 10% | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | Pout | D | | 
 | 1.25 | 0.025 | 41 | 41 | -4.0 | 1.8 | 0.32 | 20k | 25.mW | 10% | 
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 Updated August 01, 2019. |  |