NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

26HU5
Beam Power Tube

EIA Base & Outline

EIA Base: 8NB
Source ........................................ RCA RC-29 - 1975

Application

Glass octal type used as a horizontal-deflection amplifier in tv receivers. Requires octal socket.

Mechanical Data

EIA Base ...................................... 8NB

Electrical Data

Heater Voltage ................................ 26 V
Heater Current ................................ 0.6 A

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 990 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 33 W
Grid No. 2 Dissipation ........................ 5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 175 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -21 V
Plate Resistance (approx) ..................... 6K Ω
Transconductance .............................. 14K µMho
Plate Current ................................. 125 mA
Grid No. 2 Current ............................ 3.3 mA

Hortz Defl Amplifier
DC Plate Supply Voltage ....................... 990 V
Peak Positive-Pulse Plate Voltage ............. 7000 V
Peak Negative-Pulse Plate Voltage ............. -100 V
DC Grid No. 3 Voltage ......................... 250 V
DC Grid No. 2 Voltage ......................... -250 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 400 V
Average Cathode Current ....................... 1400 mA

A horizontal ribbon.

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A horizontal ribbon.

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Thu, 29 Sep 2022 23:47:52 -0700