E88C

Small Signal Triode — Noval

Philips

Known Equivalents & Substitutes

No known equivalents. If you know of any, use the ⚑ Report Issue button above.

Similar Tubes (Not Drop-In Compatible)

E88CC

Double triode variant (two sections) — different tube, not a substitute

Similar UHF triode — different characteristics

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max, operating)200V

Anode Dissipation (max)Anode Dissipation (max)2.6W

Cathode Current (max)Cathode Current (max)16.5mA

Heater-to-Cathode Voltage (max)Heater-Cathode Voltage (max, cathode positive)125V

Typical Operating

Anode Voltage (typical)Anode Voltage160V

Grid 1 Bias VoltageGrid Voltage-1.25V

Anode CurrentAnode Current12.5mA

Anode ResistanceInternal Resistance5,200Ω

TransconductanceMutual Conductance

other

Equivalent Noise ResistanceEquivalent Noise Resistance240Ω

Noise Figure (850 MHz)Noise Figure (850 MHz)9.6dB

Anode Voltage (max, cold start)Anode Voltage (max, cold start)400V

Heater

Heater VoltageHeater Voltage6.3V

Heater CurrentHeater Current0.155A

Notes

Single triode — not to be confused with the E88CC which is a double triode.
Gold-plated Noval base pins for low interface resistance.
Designed for grounded-grid amplifier operation at UHF frequencies (band IV/V, up to 850 MHz).
10,000-hour rated life under specified test conditions.
Heater voltage must be maintained at 6.3 V average; exceeding 6.0-6.6 V range shortens tube life.
Amplification factor mu = 70, internal resistance Ri = 5.2 kohm.

Pin Layout — Noval

1Grid

2Cathode

3Grid

References