Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 | 4 Docs/precadsr_bom.md | 4 Schematics/Unseen Servant/Unseen Servant_slider_board_noncanonical.kicad_pcb ## Current draw ### Current draw 12 mA +12 V, and sustain voltage is taken from \npot pin 1.