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Voltage - Triode (single high frequency) ·Triode

Y1266

Medium-mu ceramic-metal planar triode primarily intended for UHF oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / -

Description

The Y-1266 is a medium-mu triode of ceramic-and-metal planar construction primarily intended for use as a UHF oscillator. Electrical

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
-
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
0.008 S
Amplification factor
35
Max plate voltage
350 V
Max plate dissipation
4 W
Max cathode current
40 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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate Voltage

    350 V

    Heater Characteristics and Ratings

  • Plate Dissipation

    4 W

    Heater Characteristics and Ratings

  • DC Grid Current

    15 mA

    Heater Characteristics and Ratings

  • DC Cathode Current

    40 mA

    Heater Characteristics and Ratings

  • Heater Positive with Respect to Cathode

    50 V

    Heater Characteristics and Ratings

  • Heater Negative with Respect to Cathode

    50 V

    Heater Characteristics and Ratings

Characteristic

  • Plate Voltage

    150 V

    Average Characteristics

  • Grid Voltage

    0 V

    Average Characteristics

  • Transconductance

    8000 uS

    Average Characteristics

  • Plate Current

    25 mA

    Average Characteristics

  • Plate Voltage

    200 V

    Average Characteristics

  • Plate Current

    30 mA

    Average Characteristics

  • Frequency

    400 MHz

    Average Characteristics

  • Power OQutput approximate

    3 W

    Average Characteristics

  • Heater current of a bogey tube at Ef

    6.3 V

    Average Characteristics