Virtual Valve Museum
Virtual Valve Museum | search:
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
View the guestbookDocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

954 / ZA2 / VT120 acorn pentode

954 size This valve measures 45x28mm across the pins.

 

Heater voltage 6.3V
Heater current 150mA
Max anode voltage 250V
Max screen voltage 100V
Average anode current 2mA
Average screen current 0.7mA
Grid voltage -3V
Anode impedance 1.5M ohms
Mutual conductance 1.4mA/V
Input impedance at 50MHz 80k ohms

 

Connections: In the photograph the anode connection is at the top and the control grid at the bottom. Around the edge looking from the anode end, pin 1 is the right hand of the three adjacent pins, and from that pin anti-clockwise are: Heater, Screen grid, Suppressor grid, Heater, Cathode.

 

 

.954

ZA2

VT120
954 box ZA2 quarter view

This file was last modified 23:12:22, Saturday June 07, 2008