BUY ULN2003ADR2G https://www.utsource.net/itm/p/11246513.html
Description: The ULN2003ADR2G is a high-voltage, high-current Darlington transistor array. It consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diode for switching inductive loads.
Features:
High-voltage outputs (50V)
High-current outputs (500mA)
Common-cathode clamp diodes for switching inductive loads
Low saturation voltage
Outputs can be paralleled for higher current capability
SOP-3.9mm package
Applications:
Stepper motor drivers
Relay drivers
Lamp drivers
LED drivers
Line drivers
High-voltage, high-current switching applications
(For reference only)