Low frequency transistor
The transistor of 500mA class which went only into 2125 size conventionally was attained in 1608 sizes or 1208 sizes.
FEATUREs
1) A collector current is large.
2) Collector saturation voltage is low.
VCE (sat) ≤ 250mA
At IC = −200mA / IB = −10mA
APPLICATIONs
For switching, for muting.