The Mazda TP1340 is a triode pentode frequency changer designed for use in car radios. The triode oscillator is required to supply three volts pk-pk.The heater rating of 13 Volts at 400 mA is not standard.![](../pics/aaa1758a.jpg)
The reverse is plain zinc paint.The classic envelope is 39 mm in diameter, and excluding the B9 base pins is 108 mm tall.References: 1040 & 1043. Type TP1340 was first introduced in 1935. See also 1935 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | tc | ![](../static/key.gif) g2 | a | g3 | h | h | k | a(t) | g1(t) | m | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | ![](../static/key.gif)
| 13.0 | 0.4 | 250 | 200 | -5.0 | 6.5 | 2.5 | 0.9M | 0.7 |
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Absolute Maximum Operating Conditions¶
| Va | mAa | ![](../static/key.gif)
| 150 | 1.5 |
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Updated May 09, 2023.
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