SRL351

Air-cooled transmitting triode for RF amplification and oscillation in VHF and television transmitters, industrial RF generators, and electromedical equipment. Rated for approximately 2 kW plate dissipation and 5 kV plate voltage.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 45 A

Description

Air-cooled transmitting triode with concentric grid connection for RF amplification and oscillator service, especially VHF and television transmitters, industrial RF generators and electromedical equipment.

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: 5 V
Nominal heater current: 45 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

Transconductance: 0.012 S
Amplification factor: 29
Max plate voltage: 5000 V
Max plate dissipation: 2000 W
Max grid dissipation: 80 W
Max cathode current: 1.2 A

Published electrical limits and characteristics promoted from the approved source.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater or filament voltage
5 V
Published nominal value
Heater or filament current
45 A
Published nominal value
Transconductance
12000 µS
Published static characteristic

Other

Maximum plate dissipation
2000 W
Published rating or title rating
Maximum operating frequency
250 MHz
Published
RF output power
1.2 kW
85 MHz grounded-grid Class C