True. 1k (4.3mA) could still be ok for 160mA collector current.
Saturation voltage will go up a bit though.
LEDs don't get the full 16mA, and the 2N2222 could get warm.
A few milliamps more base current could avoid those problems.
Leo..
True. 1k (4.3mA) could still be ok for 160mA collector current.
Saturation voltage will go up a bit though.
LEDs don't get the full 16mA, and the 2N2222 could get warm.
A few milliamps more base current could avoid those problems.
Leo..