ULN Series 50V 500 mA High Voltage High Current Seven Darlington Array - SOIC-16, PNP Darlington, Darlington sink driver, Multiple Darlington transistor, High-current switch arrays, Inverted Darlington circuit, transistor as a switch https://www.futureelectronics.com/p/semiconductors--signal-interface--darlington-arrays/uln2003d1013tr-stmicroelectronics-7127720