NJ7P SQL Tube Database Query

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6CY5
Sharp-Cutoff Tetrode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6FV6
Substitutes ................................... 6EA5 6EV5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as rf amplifier in vhf tuners of television receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7EW
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.2 A

Direct Interelectrode Capacitances (approx)

Tetrode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 4.5 pf
Output ........................................ 3 pf
Grid to Plate ................................. 0.03 pf

Maximum Ratings (Design Center Values)

Tetrode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 180 V
Plate Dissipation ............................. 2 W
Grid No. 2 Dissipation ........................ 0.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 80 V
Grid No. 1 Voltage ............................ -7 V
Plate Resistance (approx) ..................... 100K Ω
Transconductance .............................. 8000 µ
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 1.5 mA

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

Sun, 26 Jun 2022 03:52:13 -0700