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Voltage - Triode (single) ·Triode

Y1236

Ceramic-metal planar triode for plate-pulsed oscillator service to approximately 4.3 GHz and continuous-wave oscillation at lower frequencies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 500 mA

Description

The Y-1236 is a triode of ceramic and metal planar construction intended for use as a plate-pulsed oscillator at frequencies up to 4300 megacycles. In addition, it may be used as a CW oscillator at frequencies up to 2500 megacycles. Features of the Y-1236 are small size and high plate dissipation capability.

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
500 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
2040 Ω
Transconductance
0.027 S
Amplification factor
55
Max plate voltage
600 V
Max plate dissipation
30 W
Max cathode current
120 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

  • frequencies up to

    2500 MHz

  • Heater Voltage AC or DC+ 6 3

    0.3 V

    Heater Characteristics and Ratings

  • Heater Current

    500 mA

    Heater Characteristics and Ratings

  • Grid to Plate (g to p)

    1.5 pF

    Heater Characteristics and Ratings

  • Input g to (h+k)

    5 pF

    Heater Characteristics and Ratings

  • Qutput p to (h+k)

    0.05 pF

    Heater Characteristics and Ratings

  • Cathode Heating Time minimum

    60 s

    MAXIMUM RATINGS (Continued)

  • Peak Positive-Pulse Plate Supply Voltage

    3000 V

    MAXIMUM RATINGS (Continued)

  • Pulse Duration

    2 us

    MAXIMUM RATINGS (Continued)

  • Average

    20 mA

    MAXIMUM RATINGS (Continued)

  • Average During Plate Pulse

    2 A

    MAXIMUM RATINGS (Continued)

  • Average During Plate Pulse

    100 V

    MAXIMUM RATINGS (Continued)

  • Average

    10 mA

    MAXIMUM RATINGS (Continued)

  • Average During Plate Pulse

    1 A

    MAXIMUM RATINGS (Continued)

  • Plate Dissipationa

    30 W

    MAXIMUM RATINGS (Continued)

  • Heater Positive with Respect to Cathode

    50 V

    MAXIMUM RATINGS (Continued)

  • Heater Negative with Respect to Cathode

    50 V

    MAXIMUM RATINGS (Continued)

  • Plate Voltage

    600 V

    MAXIMUM RATINGS (Continued)

  • Plate Current

    90 mA

    MAXIMUM RATINGS (Continued)

  • Grid Current

    30 mA

    MAXIMUM RATINGS (Continued)

  • Cathode Current

    120 mA

    MAXIMUM RATINGS (Continued)

  • Plate DissipationsA

    30 W

    MAXIMUM RATINGS (Continued)

Characteristic

  • Plate Voltage

    200 V

    Average Characteristics

  • Cathode-Bias Resistor

    100 Ohm

    Average Characteristics

  • Plate Resistance approximate

    2040 Ohm

    Average Characteristics

  • Transconductance

    27000 uS

    Average Characteristics

  • Plate Current

    25 mA

    Average Characteristics

  • Frequency

    1200 MHz

    Average Characteristics

  • Heater Voltage

    6.3 V

    Average Characteristics

  • Pulse Duration

    1 us

    Average Characteristics

  • Peak Positive-Pulse Plate Supply Voltage

    2000 V

    Average Characteristics

  • Frequency

    2300 MHz

    Average Characteristics

  • Plate Voltage

    600 V

    Average Characteristics

  • Plate Current

    80 mA

    Average Characteristics

  • Grid Current

    25 mA

    Average Characteristics

  • Power OQutput approximate

    20 W

    Average Characteristics

  • Heater current of a bogey tube at Ef

    6.3 V

    Average Characteristics

  • to a maximum of

    25 A

    Average Characteristics