Chinese Standards Shop Partner of Google-Books Database: 169759 (Sep 15, 2019)

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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	Related Standard
SJ 1023-1976	English	429	ASK	Days<=3	Electronic tubes, Type FU-81	Obsolete	SJ 1023-1976

Detail Information of SJ 1023-1976; SJ1023-1976
Description (Translated English): Electronic tubes, Type FU-81
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: L36
Word Count Estimation: 15,000
Date of Issue: 18/2/1976
Date of Implementation: 1/10/1976
Adopted Standard: ��������, NEQ
Regulation (derived from): Industry-Science (2010) No. 77
Summary: This standard applies to FU-81 type bulb emitting power pentode (hereinafter referred to as the tube). The tube has a direct thermal thorium tungsten carbide cathode cooling method for natural cooling or forced air cooling. Suitable for radio equipment for use in power amplification or oscillation frequency is not greater than 50MHz.

Related standard:   SJ 1802-1981  SJ 1598-1980