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SJH 1023-1976 (SJ1023-1976)

Chinese standards (related to): 'SJH 1023-1976'

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 ��������, 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.