ULN2003 SMD (NPN Darlington Transistor 7-Array IC) SOP-16

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The ULx200xA devices are Darlington transistor arrays with high voltage and current. Each is made up of seven NPN Darlington pairs with high-voltage outputs and common-cathode clamp diodes for inductive load switching.

A single Darlington pair has a collector current rating of 500 mA. For higher current capability, the Darlington pairs can be paralleled. Relay drivers, hammer drivers, light drivers, display drivers (LED and gas discharge), line drivers, and logic buffers are examples of applications.


  • 7 NPN Darlington Transistor Array
  • Up to 500mA collector current for each pair
  • Multiple transistor pairs can be paralleled for higher current requirements
  • Max Collector-Emitter Voltage: 50V
Model ULN2003A
Number of Pins 16
Collector-Emitter Breakdown Voltage 50V
Common-Emitter Saturation Voltage 1.1V
Max. Collector Current 500mA
Collector-Emitter Voltage 50V
Operating Temperature -20°C to 70°C
Number of Channels 7
Polarity NPN
Mounting Surface Mounting


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