STMicroelectronics ULN2003A Microcontrollers
7-Ch Darlington Array, 50V, 500mA, NPN, DIP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ULN2003A
Detailed Description
7-Ch Darlington Array, 50V, 500mA, NPN, DIP
Package
16-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
ULN2003A Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics ULN2003A Microcontrollers technical specifications.
General
Series
ULx200xA
Package / Case
16-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Vce Saturation Max Ib IC
1.6V @ 500µA, 350mA
Current Collector Cutoff Max
50µA
Transistor Type
7 NPN Darlington
Current Collector IC Max
500mA
Voltage Collector Emitter Breakdown Max
50V
Alternate Parts Comparison (ULN2003A vs ULN2003D1013TR vs ULN2002D1013TR vs ULN2002A)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-DIP | 16-SOIC | 16-SOIC | 16-DIP |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | -- | Not Required | Not Required | Not Required |
| Interface | -- | Parallel | Parallel | Parallel |
| Current Output Max | -- | 500mA | 500mA | 500mA |
| Input Type | -- | Inverting | Inverting | Inverting |
| Number of Outputs | -- | 7 | 7 | 7 |
| Output Configuration | -- | Low Side | Low Side | Low Side |
| Output Type | -- | NPN | NPN | NPN |
| Ratio Input Output | -- | 1:1 | 1:1 | 1:1 |
| Switch Type | -- | Relay, Solenoid Driver | Relay, Solenoid Driver | Relay, Solenoid Driver |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.