TC035

Small directly heated Philips transmitting triode for amateur RF oscillator and amplifier service. With about 500 V plate capability and 6 W dissipation, it provides modest transmitting power from a compact device.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 4 V / 275 mA

Description

Small directly heated transmitting triode for amateur oscillator and RF amplifier service. The supplied Philips source was read for heater or filament data, ratings, characteristics, capacitances, and representative operating conditions.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 4 V
Nominal heater current: 275 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 14000 Ω
Transconductance: 0.0018 S
Amplification factor: 25
Max plate voltage: 500 V
Max plate dissipation: 6 W
Max cathode current: 100 mA

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater/filament voltage
4 V
Heater/filament current
275 mA
Transconductance
1800 uS
Amplification factor
25
Plate resistance
14000 ohm

Other

Maximum plate voltage
500 V
Maximum plate dissipation
6 W
Maximum cathode current
100 mA
Typical RF output power
5 W
PlateVoltage=300V;14m