6CE5

Sharp Cutoff Pentode — B7G

RCA

Known Equivalents & Substitutes

No known equivalents. If you know of any, use the ⚑ Report Issue button above.

Similar Tubes (Not Drop-In Compatible)

Similar sharp-cutoff pentode on B7G base — slightly lower gm

6AU6

Similar sharp-cutoff pentode on B7G base — different operating points

Same sharp-cutoff pentode structure on B7G base — different Pa_max ratings (2W vs 3W)

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Max Plate Voltage300V

Screen Voltage (max)Max Screen Voltage150V

Anode Dissipation (max)Max Plate Dissipation2W

Typical Operating

Anode Voltage (typical)Plate Voltage125V

Screen Voltage (typical)Screen Voltage125V

Grid 1 Bias VoltageGrid Voltage-1V

Anode CurrentPlate Current11mA

Anode ResistancePlate Resistance

Heater

Heater VoltageHeater Voltage6.3V

Heater CurrentHeater Current0.3A

Notes

GE Essential Characteristics: Sharp-Cutoff RP Pentode, B7G (7BD) base. Va=125V, Vg2=125V, Vg=-1V, Ia=11mA, gm=7600 umhos, Rp=300kΩ, Pa_max=2W, Va_max=300V, Vg2_max=150V.
Radiomuseum confirms 6CE5 is electrically identical to 6BC5 — RCA specified using either interchangeably.
Philips interchange notes 6CB6 as partial replacement.
Muiderkring Handbook page 155 lists this type.

Pin Layout — B7G

1Control Grid (g1)

2Cathode

3Heater

4

Socket-Compatible Tubes ⚠ Not electrically compatible