NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6533
High-Mu Triode

EIA Base & Outline

EIA Base: 8FYEIA Bulb: 3-1
Source ........................................ GE - 1973

Application

Subminiature type used as a general purpose 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 ...................................... 8FY

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.2 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 1.75 pf
Output ........................................ 0.6 pf
Grid to Plate ................................. 1.6 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 150 V
Plate Dissipation ............................. 0.35 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 120 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 1500 Ω
Amplification Factor .......................... 54
Plate Resistance (approx) ..................... 31K Ω
Transconductance .............................. 1750 µMho
Plate Current ................................. 0.9 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 25 Jun 2022 15:48:54 -0700