The AC/VHPB is a vari-μ RF pentode. The printing on the zinc paint over the glass gives the heater voltage and the maximum anode voltage.
The reverse is plain.The classic envelope is 38 mm in diameter and, excluding the B7 base pins, is 97 mm tall.Reference: 1043. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc |  m | a | g3 | h | h | k | g2 | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | gm |
| 4.0 | 0.65 | 250 | 250 | -1.0 | 10.0 | 2.5 | 4.0 |
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Updated October 15, 2019.
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