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ULN2003ADR2G

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onsemi Darlington Transistor Arrays, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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ULN2003ADR2G

onsemi · Darlington Transistor Arrays · SOIC-16

ULN2003ADR2G from onsemi, 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 IN1 input Channel 1 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
2 IN2 input Channel 2 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
3 IN3 input Channel 3 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
4 IN4 input Channel 4 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
5 IN5 input Channel 5 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
6 IN6 input Channel 6 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
7 IN7 input Channel 7 input; 2.7 kΩ series resistor to base of NPN Darlington pair; VI(on) max 3.0 V at IC = 300 mA, input capacitance 15-30 pF.
8 GND power_in Common emitter ground return for all seven Darlington transistors; must be connected to system ground.
9 COM power_in Common cathode bus for internal flyback suppression diodes; connect to inductive-load supply rail (VO max 50 V); VF max 2.0 V at IF = 350 mA.
10 OUT7 output Channel 7 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
11 OUT6 output Channel 6 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
12 OUT5 output Channel 5 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
13 OUT4 output Channel 4 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
14 OUT3 output Channel 3 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
15 OUT2 output Channel 2 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.
16 OUT1 output Channel 1 open-collector NPN Darlington output; VO max 50 V, IC continuous max 500 mA, VCE(sat) max 1.6 V at IC = 350 mA / IB = 500 µA.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-16
Category Transistors/Thyristors
Pins 16

CAD (KiCad official)

  • Symbol: ULN2003ADR2G
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: uln2003adr2g-etched.step / uln2003adr2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2003adr2g.step / uln2003adr2g.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (5 pp, sha256 26b8f39cbd0c8826, retrieved 2026-09-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-sonnet-4-6 (text+vision), consensus claude-opus-4-7 (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).

Datasheet PDF