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ULN2803LV

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LANKE Darlington Transistor Arrays, SOIC-18-300mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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ULN2803LV

LANKE · Darlington Transistor Arrays · SOIC-18-300mil

ULN2803LV from LANKE, in a SOIC-18-300mil. 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 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
2 2B input Channel 2 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
3 3B input Channel 3 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
4 4B input Channel 4 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
5 5B input Channel 5 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
6 6B input Channel 6 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
7 7B input Channel 7 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
8 8B input Channel 8 base input, compatible with TTL/CMOS logic signals (VI = 0 to 7V).
9 E power_in Device ground terminal serving as return path for all Darlington pairs and clamping diodes.
10 COM passive Clamping diode common terminal connecting all internal freewheeling diode cathodes (VCOM ≤ 20V).
11 8C output Channel 8 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
12 7C output Channel 7 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
13 6C output Channel 6 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
14 5C output Channel 5 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
15 4C output Channel 4 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
16 3C output Channel 3 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
17 2C output Channel 2 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.
18 1C output Channel 1 collector output for inductive loads with 500mA maximum current and VCE = -0.5V to 20V.

Key specifications

Parameter Value
Manufacturer LANKE
Package SOIC-18-300mil
Category Transistors/Thyristors
Pins 18

CAD (KiCad official)

  • Symbol: ULN2803LV
  • Footprint: Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm
  • 3D model: SOIC-18-300mil (KiCad packages3D, STEP)
  • 3D model files: uln2803lv-etched.step / uln2803lv-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2803lv.step / uln2803lv.glb are the bare package body.

Provenance

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

  • Datasheet: LANKE datasheet (10 pp, sha256 f7b35b98376140af, retrieved 2026-09-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF