# MCP4431-103E/ST (Component)
## Description
Digital Potentiometer 10k Ohm 4 Circuit 129 Taps I2C Interface 20-TSSOP #CommonPartsLibrary #IntegratedCircuit #MCP4431
## Component Details
- **Owner:** adrian95
- **Created:** 3/31/2026
- **Last Updated:** 3/31/2026
- **Visibility:** Public
- **Part Type:** Integrated Circuit
- **Datasheet URL:** https://ww1.microchip.com/downloads/en/DeviceDoc/MCP4451.pdf
- **Manufacturer Name:** Microchip Technology
- **Manufacturer Part Number:** MCP4431-103E/ST
- **License:** https://creativecommons.org/licenses/by/4.0/
## 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/mcp4431-103est/microchip-technology.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C638696.html) | $5.7172 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/MCP4431-103E-ST?qs=opbZS4J%2Fiz1MevXci7emew%3D%3D) | $1.80 | 296 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** MCP4431-103E/ST
- **Package / Case Code:** 20-TSSOP
- **Pin Count:** 20
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | P3A | |
| 2 | P3W | |
| 3 | P3B | |
| 4 | HVC/A0 | |
| 5 | SCL | |
| 6 | SDA | |
| 7 | VSS | |
| 8 | P1B | |
| 9 | P1W | |
| 10 | P1A | |
| 11 | P0A | |
| 12 | P0W | |
| 13 | P0B | |
| 14 | NC | |
| 15 | *RESET | |
| 16 | A1 | |
| 17 | VDD | |
| 18 | P2B | |
| 19 | P2W | |
| 20 | P2A | |
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*Generated from [https://www.flux.ai/adrian95/mcp4431-103est~6cz](https://www.flux.ai/adrian95/mcp4431-103est~6cz)*