Showing 404A and all of its variations. Other filters are hidden while viewing variations.
| Heater | 6.3 V / 300 mA |
|---|---|
| Plate | 180 V / 3 W |
| Screen | 150 V / 0.75 W |
| Ik max | 35 mA |
| rP | 100,000 Ω |
| gm | 12.5 mA/V |
9 pins - B9A - Small-button Noval 9-contact
Low-noise frame-grid pentode developed for UHF and broadband professional amplification, combining very high transconductance with low capacitances.
| Heater | 6.3 V / 300 mA |
|---|---|
| Plate | 180 V / 3 W |
| Screen | 150 V / 0.75 W |
| Ik max | 35 mA |
| rP | 100,000 Ω |
| gm | 12.5 mA/V |
9 pins - B9A - Small-button Noval 9-contact
High-gain miniature broad-band pentode intended for wideband amplification. Amperex and other manufacturer sources document broad-band operating conditions, high gain, and shielding considerations for signal circuits requiring substantial bandwidth.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||||
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| Voltage PentodePentode |
| 9 pins - B9A - Small-button Noval 9-contact Low-noise frame-grid pentode developed for UHF and broadband professional amplification, combining very high transconductance with low capacitances. | |||||||||||||||
| Voltage PentodePentode |
| 9 pins - B9A - Small-button Noval 9-contact High-gain miniature broad-band pentode intended for wideband amplification. Amperex and other manufacturer sources document broad-band operating conditions, high gain, and shielding considerations for signal circuits requiring substantial bandwidth. |