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Y1774

Planar metal-ceramic power triode designed specifically for long-pulse amplifier chains. Large cathode area reduces current density for improved life while high gain and transconductance support demanding microwave pulse service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 1.7 A

Description

The Y-1774 is a planar metal-ceramic triode intended for use in long pulse amplifier chains. This tube features a large cathode area to provide long life through lower current densities and specific design features for long pulse applications.

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: 6.3 V
Nominal heater current: 1.7 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: 0.042 S
Amplification factor: 125
Max plate voltage: 2000 V
Max plate dissipation: 100 W

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater Voitage ACorDCe 6 0 6 3
6.6 V
AVERAGE CHARACTERISTICS Test Conditions

Other

o T P
2000 V
ABSOLUTE-MAXIMUM RATINGS
Plate DiSSIPAtION A + v vttt ettt ittt et et s et e et aaaaeesseasaneannasaneeesetootennesotataentanarennns
100 W
ABSOLUTE-MAXIMUM RATINGS
Peak Cathode CUITENt o t i ittt ittt ittt et ittt tnnne et seettssaanoonasonnanaens
8 A
ABSOLUTE-MAXIMUM RATINGS
Peak Grid CUITENt ttt etenrananceenens et e et ee
3 A
ABSOLUTE-MAXIMUM RATINGS
PUISE DUFALION L ottt t ettt ittt s et e eamseesaeseasesseenassasenssstssasaeesaesssasasssersonnns
200 us
ABSOLUTE-MAXIMUM RATINGS