|
H30Sensibly equivalent¶ to:CV2979See also:
|
|
|
The H30 is a high-μ triode with a 300 mA heater. The heater at 13 Volts and 300 mA was designed for use in Ac/DC receivers or from 12 Volt vehicle batteries.It was designed for low microphony. The L30 is the low impedance version and has the same heater requirements.![](../pics/aag0144a.jpg)
The Marconi name on the reverse.Thanks to Mark from Vintage-parts for sending these images.The classic envelope is mm in diameter, and excluding the B7 base pins is mm tall.References: Data-sheet, & 1043. Type H30 was first introduced in 1934. See also 1934 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | ![](../static/key.gif) m | nc | nc | h | h | k | a | g1 |
|
|
Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | μ | ![](../static/pdflogo.gif)
| 13.0 | 0.3 | 250 | -1.7 | 5.5 | 13,300 | 6.0 | 80 |
|
Updated July 02, 2023.
|
|