# SPH0645LM4H-B (Component) ## Description 20 Hz ~ 10 kHz Microphone MEMS (Silicon) 1.62 V ~ 3.6 V Omnidirectional (-26dB ±3dB @ 94dB SPL) Solder Pads #commonpartslibrary #audioproduct #microphone ## Component Details - **Owner:** adrian95 - **Created:** 4/25/2024 - **Last Updated:** 6/26/2024 - **Visibility:** Public - **Manufacturer:** Knowles - **MPN:** SPH0645LM4H-B - **Part Type:** Microphone - **Datasheet:** [View Datasheet](https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/908/SPH0645LM4H-B.pdf) ### Distributor Availability & Pricing - **Price Range:** $0.00–$2.74 - **Stock Range:** 0–359K **By Distributor:** - [Digi-Key](https://www.digikey.com/en/products/detail/knowles/SPH0645LM4H-B/5332440) (DPN: 423-SPH0645LM4H-BTR-ND): $1.4875–$2.74, Stock: 207K–359K (Active) - [Mouser](https://www.mouser.com/ProductDetail/Syntiant/SPH0645LM4H-B?qs=vWxAESdW%252B03xAMCR63JEHA%3D%3D) (DPN: 721-SPH0645LM4H-B): Contact for Quote, Stock: N/A (Obsolete) - **Used in:** 27 projects --- *Generated from [https://www.flux.ai/adrian95/sph0645lm4h-b](https://www.flux.ai/adrian95/sph0645lm4h-b)*