2SD1781K transistor equivalent, npn silicon transistor.
Very low VCE(sat).VCE(sat) < 0.4 V (Typ.) (IC /IB = 500mA / 50mA) Complements to 2SB1197K
Collector
3
2
Base
MARKING
AF
= hFE ranking
1
Emitter
SOT-23
A
L
3
To.
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