PC88

Small Signal Triode — Noval

Philips

Known Equivalents & Substitutes

4DL4LZ319

Similar Tubes (Not Drop-In Compatible)

6DL4

American 6.3V version of the same tube — different heater voltage

EC88

Same tube with 6.3V parallel heater (E-series) — not interchangeable in series-string circuits

Similar UHF triode from same family — grounded-grid RF amplifier version, same base

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max)150V

Anode Dissipation (max)Anode Dissipation (max)2.5W

Typical Operating

Anode Voltage (typical)Anode Voltage (typical)120V

Grid 1 Bias VoltageGrid Bias Voltage-1V

Anode Current

Notes

The PC88 is designed for UHF television tuner service, typically as oscillator-mixer. Used in European TV sets from the 1960s-70s.
Pro-Electron prefix P indicates 300mA series heater operation (3.6V at 300mA = 1.08W heater power).
Brans Vademecum lists 9J6 and LZ319 as equivalents.
Muiderkring category code 't' = triode.

Pin Layout — Noval

1Anode

2Anode (connected to pin 1)

3Cathode

References