# MQ-4 (Component) ## Description Flammable Gas Sensor. Suitable for detecting of CH4,Natural gas. LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke. #commonpartslibrary #sensor #gassensor #integratedcircuit ## Component Details - **Owner:** vasy_skral - **Created:** 12/20/2022 - **Last Updated:** 1/20/2025 - **Visibility:** Public - **Part Type:** Integrated Circuit - **Manufacturer Part Number:** MQ-4 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-4.pdf - **Manufacturer Name:** SparkFun Electronics - **Used in:** 187 projects - **Forks:** 2 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C99756.html) | $1.3654 | 0 | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=MQ-4) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** SparkFun - **MPN:** MQ-4 - **Pin Count:** 6 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | B1 | | | 2 | VH+ | | | 3 | B2 | | | 4 | A2 | | | 5 | VH- | | | 6 | A1 | | --- *Generated from [https://www.flux.ai/vasy_skral/mq-4](https://www.flux.ai/vasy_skral/mq-4)*