component
ULN2003AIDR
Public Unreviewedby Ray
Texas Instruments Darlington Transistor Arrays, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownULN2003AIDR
Texas Instruments · Darlington Transistor Arrays · SOIC-16
ULN2003AIDR from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1B | input | Channel 1 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 2 | 2B | input | Channel 2 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 3 | 3B | input | Channel 3 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 4 | 4B | input | Channel 4 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 5 | 5B | input | Channel 5 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 6 | 6B | input | Channel 6 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 7 | 7B | input | Channel 7 Darlington base input; ON-state input voltage 2.4-3 V for IC=200-300 mA. |
| 8 | E | power_in | Common emitter terminal for all channels, typically connected to ground; maximum total emitter current 2.5 A. |
| 9 | COM | passive | Common cathode node for internal flyback diodes; connect to coil supply voltage to suppress inductive load kickback. |
| 10 | 7C | output | Channel 7 Darlington collector output; maximum single-channel collector current 500 mA. |
| 11 | 6C | output | Channel 6 Darlington collector output; maximum single-channel collector current 500 mA. |
| 12 | 5C | output | Channel 5 Darlington collector output; maximum single-channel collector current 500 mA. |
| 13 | 4C | output | Channel 4 Darlington collector output; maximum single-channel collector current 500 mA. |
| 14 | 3C | output | Channel 3 Darlington collector output; maximum single-channel collector current 500 mA. |
| 15 | 2C | output | Channel 2 Darlington collector output; maximum single-channel collector current 500 mA. |
| 16 | 1C | output | Channel 1 Darlington collector output; maximum single-channel collector current 500 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Transistors/Thyristors |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
ULN2003AIDR - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (42 pp, sha256
0151daa4ffa9135f, retrieved 2026-09-17, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).