TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
DisclaimerSubmit a tube

Tube-number record

PL 1267 / Z 300T

0 archive entries

BrandPHILIPS
ClassCold Cathode Trigger Tube
BaseOctal

Construction

Primary Type
Other / special
EnvelopeGlass

Filament / Heater

Absolute Maximum Ratings

Plate Voltage310 V
Cathode Current25 mA

Audio Performance

Key Features
  • Welding timers
  • Relay and counting circuits
  • Power switching

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Trigger Tube Operation70 V———25 mA

Application Notes

The tube is recommended for operation only with both anode and starter voltage positive. The tube must be exposed to some light. Full sunlight or complete darkness should be avoided.

Filters

0 tubes found

Manufacturers

Brands

    0 results