NJ7P SQL Tube Database Query

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2K42
Reflex Klystron

EIA Base & Outline

Application

Source ........................................ Sperry DS
This type is used as a local oscillator at 3.3-4.2 GHz in RADAR equipment. Requires an octal socket.

Mechanical Data

Source ........................................ Sperry DS
Bulb .......................................... Metal
Base Type ..................................... Small-Wafer Octal 8-Pin
EIA Outline ................................... 2K42
EIA Base ...................................... 2K42
Top Cap ....................................... Miniature
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ Sperry DS
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.0 A
Maximum Heater-Cathode Voltage ................ 45 V

Maximum Ratings (Design Center Values)

Klystron
Source ........................................ Sperry DS
Beam Voltage .................................. 1250 V
Beam Current .................................. 60 mA
Reflector Voltage
Positive Voltage ........................... 0 V
Negative Voltage ........................... 750 V
Control-Electrode Voltage
Positive Voltage ........................... 30 V
Negative Voltage ........................... 200 V
Power Input ................................... 75 W
Ambient Temperature of Shell .................. 100 °C
Ambient Temperature of Base ................... 75 °C

Characteristics and Typical Operation

Klystron
Source ........................................ Sperry DS
Frequency ..................................... 3.75 GHz
Power Output .................................. 750 mW
Beam Voltage .................................. 1250 V
Beam Current .................................. 50 mA
Reflector Voltage (approx) .................... -600 V
Control-Electrode Voltage ..................... 0 V
Half-Power Electronic Tuning Range ............ 20 MHz

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Mon, 15 Aug 2022 23:30:33 -0700