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SJH 1023-1976
SJH 1023-1976_English: PDF (SJH1023-1976)
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SJ 1023-1976
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Electronic tubes, Type FU-81
SJ 1023-1976
Obsolete
SJ 1023-1976
BASIC DATA
Standard ID
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
12,147
Date of Issue
1976/2/18
Date of Implementation
1976/10/1
Adopted Standard
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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.