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Power - Triode (over 1000V 100W) ·Triode

3CI50A

RF transmitting triode with thoriated-tungsten filament for high-frequency power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
LARGE4BAYONET
Base pins
-
Nominal heater
10 V / 3.4 A

Description

RF transmitting triode with thoriated-tungsten filament.

Socket description

Large 4-contact bayonet base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
LARGE4BAYONET
Base pins
-
Nominal heater voltage
10 V
Nominal heater current
3.4 A
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
Amplification factor
18
Max plate voltage
2500 V
Max plate dissipation
150 W
Max cathode current
200 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

1947 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-anode capacitance

    7.3 pF

  • Grid-cathode/filament capacitance

    8.6 pF

  • Anode-cathode/filament capacitance

    1.1 pF

Other

  • Maximum frequency for published rating

    20 MHz