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KTZ73MSensibly equivalent¶ to:
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The KTZ73 is an RF beam tetrode for RF and IF applications. It was part of the M-OV 'Uniwatt' range of valves for use with mains or vehicle lead acid batteries.A year later in 1938 the valve became the KTZ73/6J7G RF pentode. The main differences were the heater being standardised at 6.3 Volts and making it a pentode with g3 connected to pin 5.The classic envelope is 29 mm in diameter and, excluding the IO base pins, is 72 mm tall.References: 1043 & 3002. Type KTZ73M was first introduced in 1937. See also 1937 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | tc |  m | h | a | g2 | nc | nc | h | k | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 6.0 | 0.16 | 250 | 100 | -3 | 2.0 | 0.25 | 1.5M | 1.5 |
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Updated January 08, 2022.
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