NJ7P SQL Tube Database Query

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6HR6
Semiremote-Cutoff Pentode

EIA Base & Outline

EIA Base: 7BKEIA Bulb: 5-2

Substitute Data

Preferred Substitutes ......................... 6HS6
Substitutes ................................... 6AU6
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-2
EIA Base ...................................... 7BK

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 8.8 pf
Output ........................................ 5.2 pf
Grid to Plate ................................. 0.006 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 3.0 W
Grid No. 2 Dissipation ........................ 1.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 115 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 68 Ω
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 8500 µMho
Plate Current ................................. 13.2 mA
Grid No. 2 Current ............................ 4.3 mA

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Thu, 08 Dec 2022 02:22:03 -0700