Billington Export Ltd logo
Information Banner

Tel: +44 (0)1403 784961

Enter a product code then click 'Go'   
30 November 2021 

Quick links

Free Downloads


Click here to get Adobe Reader



6CH6 tube (electron valve miniature output pentode)

6CH6 tube (electron valve miniature output pentode) Manufactured by Brimar and STC

Click here to add this valve to your shopping basket

Photo of a 6CH6 manufactured by Brimar

6CH6 manufactured by Brimar

Photo of a 6CH6 manufactured by STC

6CH6 manufactured by STC

The Brimar type 6CH6 is a miniature high slope pentode. Its high anode dissipation and current rating make it suitable for working into loads of low impedance and self capacity.

6CH6 is a commercial equivalent of the CV4055


Heater Voltage                                                  6.3                   V

Heater current                                                 0.75                 A

Anode Voltage                                                  275                  V max

Screen (g2) Voltage                                           275                  V max

Anode dissipation                                             12                    W max

Screen dissipation                                             2.5                   W max

D.C. Cathode Current                                     60                    mA max

Max. Peak Cathode Current (Absolute)                        1.5                   A max *

Max. Control Grid Circuit Resisitance              0.1                   MΩ †

* The duration of circuit flow must not exceed 2µ sec. and must not be greater than 5% of the duty cycle.

† this value may be increased to 220,000Ω if autobias is employed.


Anode Voltage                                                  250                  V

Anode Current                                                            40                    mA

Screen Voltage                                                  250                  V

Screen Current                                                            6                      mA

Control Grid Voltage (Vg1)                               -4.5                  V

Mutual Conductance                                        11                    mA/V

Anode Impedance                                            50,000             Ω

Inner Amplification factor (Ca, g1)                    26


Input (C in)                                                      14                    pF

Output (C out)                                                            5                      pF

Grid to Anode (Ca, g1)                                     0.25                pF

** No external shield

Click here to add this valve to your shopping basket

Chart showing 6CH6 voltage and current

Click here to add this valve to your shopping basket

Securitymetrics Logo

Notice board

Click here to view photos of the Billington Export Team

Click here to view our special offers!

Click here to get our stock list

Click here for information about our minimum order requirement

Click here for information about items that we want