NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6LT8
Twin diode - Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 9RLEIA Bulb: 6-2
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in tv receivers. The pentode is used in low-frequency horizontal-oscillator applications. The diodes are used in horizontal afc discriminator circuits. Requires miniature 9-contact socket.

Mechanical Data

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

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 3.1 W
Grid No. 2 Dissipation ........................ 0.65 W

Characteristics and Typical Operation

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 125 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 56 Ω
Plate Resistance (approx) ..................... 200K Ω
Transconductance .............................. 13000 µMho
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 2.4 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 06:45:28 -0700