6BH5

Power Pentode — Noval

Known Equivalents & Substitutes

EF81

Similar Tubes (Not Drop-In Compatible)

6CL6

Similar pentode on Noval base used in vertical deflection — different operating points

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max)300V

Screen Voltage (max)Screen Voltage (max)300V

Anode Dissipation (max)Anode Dissipation (max)7.5W

Heater

Heater VoltageHeater Voltage6.3V

Heater CurrentHeater Current0.45A

Notes

The 6BH5 is a relatively uncommon type, primarily found in television vertical deflection circuits.
EF81 is the European equivalent designation.
Limited datasheet availability; specifications derived from reference catalogs and substitution guides.

Pin Layout — Noval

1Control Grid (g1)

2Cathode

3Heater

References