C1970與C1971的區(qū)別
C1970與C1971都是高頻晶體管,外形一樣,但是功率不一樣。鑒別時,可用數(shù)字表測,中間腳為發(fā)射極的為1971,中間腳為集電極的為1970。
C1970 NPN 40V0.6A PQ=1.3W/175MHZ
C1971 35V 2.0A PQ=7.0W/175MHZ
C1972 35V 3.5A PQ=15W/175MHZ
C1970與C1971都是高頻晶體管,外形一樣,但是功率不一樣。鑒別時,可用數(shù)字表測,中間腳為發(fā)射極的為1971,中間腳為集電極的為1970。
C1970 NPN 40V0.6A PQ=1.3W/175MHZ
C1971 35V 2.0A PQ=7.0W/175MHZ
C1972 35V 3.5A PQ=15W/175MHZ
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