NJ7P SQL Tube Database Query

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UV-199
Detector Amplifier Triode

EIA Base & Outline

Application

Source ........................................ RCA RC-15 - 1947
Glass type used as detector or amplifier in battery-operated receivers. Requires four-contact socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
EIA Base ...................................... 4E

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 3 V
Heater Current ................................ 0.06 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-15 - 1947
Input ......................................... 2.5 pf
Output ........................................ 2.5 pf
Grid to Plate ................................. 3.3 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ -4.5 V
Amplification Factor .......................... 6.6
Plate Resistance (approx) ..................... 15500 Ω
Transconductance .............................. 425 µ
Plate Current ................................. 2.5 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, 02 Oct 2022 00:01:13 -0700