Electrically related wideband pentode but different Noval pinout (anode on pin 2, g1 on pin 7 vs anode on pin 7, g1 on pin 2 for E280F) — not pin-compatible
Anode Voltage (typical)Anode Voltage (typical)200V
Notes
6J11P is the Latin transliteration of the Cyrillic designation 6Ж11П.
Quality suffix variants (6J11P-E) exist — only the base designation is catalogued here.
Extremely high transconductance (up to 40 mA/V) — one of the highest-gm small-signal pentodes.
The E280F (Philips) is an electrically similar wideband pentode but uses a different Noval pinout — not a drop-in replacement. E280F: anode=pin7, g1=pin2; 6J11P: anode=pin2, g1=pin7.
Primarily used in oscilloscope and instrumentation amplifiers requiring high gain-bandwidth.
Pin Layout — Noval
1Suppressor Grid (g3,internally connected to cathode)
2Anode
3
Socket-Compatible Tubes ⚠ Not electrically compatible