NJ7P SQL Tube Database Query

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2DS4
High-Mu Triode

EIA Base & Outline

EIA Base: 12AQEIA Bulb: 4-4

Substitute Data

Preferred Substitutes ......................... 2CW4
Substitutes ................................... 2EG4
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Nuvistor type used as grounded-cathode, neutralized rf amplifier in vhf tuners of color and black-and-white television and FM receivers. Requires nuvistor socket.

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 2.1 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 4.1 pf
Output ........................................ 1.7 pf
Grid to Plate ................................. 0.92 pf

Source ........................................ RCA RC-29 - 1975
For other characteristics and typical operation, see 6DS4

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Mon, 03 Oct 2022 04:02:12 -0700