NJ7P SQL Tube Database Query

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6206
Semiremote-Cutoff Pentode

EIA Base & Outline

Application

Subminiature type used as a rf or if amplifier in subminiature equipment. Requires either a subminiature socket or direct soldering of the wires from the tube to circuit components.

Mechanical Data

EIA Outline ................................... 3-1
EIA Base ...................................... 8DC

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 4.2 pf
Output ........................................ 3.4 pf
Grid to Plate ................................. 0.015 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 165 V
Grid No. 2 Voltage ............................ 155 V
Plate Dissipation ............................. 0.85 W
Grid No. 2 Dissipation ........................ 0.55 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 120 Ω
Plate Resistance (approx) ..................... 260K Ω
Transconductance .............................. 4500 µ
Plate Current ................................. 7.2 mA
Grid No. 2 Current ............................ 2.2 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

Sat, 25 Mar 2023 20:39:32 -0700