Showing EF73 and all of its variations. Other filters are hidden while viewing variations.
| Heater | 6.3 V / 200 mA |
|---|---|
| Plate | 190 V / 1.5 W |
| Screen | 185 V / 1 W |
| Ik max | 14 mA |
| rP | 250,000 Ω |
| gm | 5.25 mA/V |
| μ | 28 |
8 pins - SUBMINIATURE8 - Subminiature 8-lead base
High-transconductance compact pentode for professional high-frequency and wideband small-signal amplification, combining useful gain with low interelectrode capacitance.
| Heater | 6.3 V / 200 mA |
|---|---|
| Plate | 175 V / 1.5 W |
| Screen | 175 V / 1 W |
| rP | 250,000 Ω |
| gm | 5.5 mA/V |
8 pins - WIRE8 - Subminiature all-glass 8-wire lead family
Subminiature high-slope pentode developed primarily for professional industrial amplifier applications.
| Expand sections | More | Electrical Summary | General Summary | ||||||||||||||||
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| Voltage Pentode - High Frequency (single)Pentode |
| 8 pins - SUBMINIATURE8 - Subminiature 8-lead base High-transconductance compact pentode for professional high-frequency and wideband small-signal amplification, combining useful gain with low interelectrode capacitance. | |||||||||||||||||
| Voltage PentodePentode |
| 8 pins - WIRE8 - Subminiature all-glass 8-wire lead family Subminiature high-slope pentode developed primarily for professional industrial amplifier applications. |