2SD637 transistor equivalent, silicon npn transistor.
q q q 1.5 R0.9 R0.9 0.85 (Ta=25˚C) Ratings 60 50 7 200 100 400 150 –55 ~ +150 Unit V V V mA mA mW ˚C ˚C 1:Base 2:Collector 3:Emitter 2.5 2.5 3 2 1 Par.
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