# ULQ2803A (Component)
## Description
Darlington Transistor Arrays
ULQ2803A
DIP-18_L23.0-W6.5-P2.54-LS7.6-BL
LCSC Part Number: C155560
JLCPCB Part Class: Extended Part
Manufactured by ST(意法半导体)
## Component Details
- **Owner:** lcsc
- **Created:** 11/5/2024
- **Last Updated:** 4/29/2025
- **Visibility:** Public
- **JLCPCB Part Class:** Extended Part
- **LCSC Part Number:** C155560
- **Manufacturer Part Number:** ULQ2803A
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-ULQ2803A_C155560.pdf
- **Product Info Url:** https://lcsc.com/product-detail/Darlington-Transistors_STMicroelectronics_ULQ2803A_ULQ2803A_C155560.html
- **Manufacturer Name:** ST(意法半导体)
- **Package or Case Code:** DIP-18_L23.0-W6.5-P2.54-LS7.6-BL
- **Part Type:** Darlington Transistor Arrays
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ulq2803a/stmicroelectronics.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/ULQ2803A/599518) | $2.14 | 5 |
| [LCSC](https://www.lcsc.com/product-detail/C155560.html) | $2.7934 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/ULQ2803A?qs=FOlmdCx%252BAA3ZZoMKnJ8wRQ%3D%3D) | $2.14 | 527 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=ULQ2803A) | $2.10 | 20 |
- **Part Type:** Transistors
- **Sub-Type:** Darlington
- **Manufacturer:** STMicroelectronics
- **MPN:** ULQ2803A
- **Mount Type:** PCB
- **Package / Case Code:** 18-DIP
- **Pin Count:** 18
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | IN1 | |
| 2 | IN2 | |
| 3 | IN3 | |
| 4 | IN4 | |
| 5 | IN5 | |
| 6 | IN6 | |
| 7 | IN7 | |
| 8 | IN8 | |
| 9 | GND | |
| 10 | COM | |
| 11 | OUT8 | |
| 12 | OUT7 | |
| 13 | OUT6 | |
| 14 | OUT5 | |
| 15 | OUT4 | |
| 16 | OUT3 | |
| 17 | OUT2 | |
| 18 | OUT1 | |
---
*Generated from [https://www.flux.ai/lcsc/ulq2803a](https://www.flux.ai/lcsc/ulq2803a)*