Switching Regulator, 600kHz Switching Freq-Max, 3 X 3 MM, MO-220, QFN-16
Sensor, Proximity, 15mm Range, 4 Wire, 10-30VDC, PNP, NO/NC, Screw Term, 203020

Inductive sensor 3 mm Make contact (NO) Cable 5 m 6. . .60 VDC -25. . .+70 °C, NBN3-F31-Z8-K, Pepperl+Fuchs

Inductive sensor 20 mm PNP 4 x 2.5 mm² max. 10. . .60 VDC -25. . .+100 °C, NBB20-U1-A2-T, Pepperl+Fuchs