NJ7P SQL Tube Database Query

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A horizontal ribbon.

6KV8
High-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9DXEIA Bulb: 6-3

Substitute Data

Substitutes ................................... 6EB8 6JT8 6JV8 6LB8 6LQ8 6LY8
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type with frame-grid pentode used in bw tv receivers. The triode is used as general-purpose amplifier. The pentode is used as a video output tube. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 9DX

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.775 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 13 pf
Output ........................................ 4.4 pf
Grid to Plate ................................. 0.12 pf

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 2.5 pf
Output ........................................ 2.4 pf
Grid to Plate ................................. 3.7 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 5 W
Grid No. 2 Dissipation ........................ 1 W

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 1 W

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 1 Voltage ............................ -2 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 17.5K Ω
Transconductance .............................. 4000 µMho
Plate Current ................................. 4 mA

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 68 Ω
Plate Resistance (approx) ..................... 75K Ω
Transconductance .............................. 23K µMho
Plate Current ................................. 20 mA
Grid No. 2 Current ............................ 3.5 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 08:12:08 -0700