# SMT-0940-T-3V-R (Component) ## Description Surface-Mount Piezo Audio Transducer – Externally driven piezoelectric audio transducer designed for audible alerts, alarms, user notifications, medical devices, consumer electronics, and embedded systems. Operates at a 3 Vp-p rated drive voltage with an operating voltage range of 1 to 25 Vp-p, producing a minimum sound pressure level of 70 dBA at 10 cm with a 4 kHz ±500 Hz resonant frequency. Features 1 mA maximum current consumption, 12,000 pF ±30% capacitance, top sound port, and surface-mount (SMD) construction with 9 × 9 × 2.4 mm dimensions. Supports reflow soldering, utilizes an LCP housing with tin-plated brass terminals, and is specified for operation over a −30°C to +85°C temperature range. #PUIAudio #SMT0940T3VR #PiezoTransducer #PiezoBuzzer #AudioTransducer #SMDBuzzer #Alarm #AudibleIndicator #EmbeddedSystems #IndustrialElectronics #ConsumerElectronics #MedicalDevices ## Component Details - **Owner:** silicon-yard - **Created:** 7/24/2026 - **Last Updated:** 7/24/2026 - **Visibility:** Public - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/d89452dea449b6c40a921dacad18aaed5e63b714ee05f56f7fe8bfcfaff923a0.pdf - **Manufacturer Name:** PUI Audio, Inc. - **Mount:** Surface Mount - **Manufacturer Part Number:** SMT-0940-T-3V-R - **Part Type:** Audio - **Used in:** 7 projects ## 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/smt-0940-t-3v-r/projects-unlimited.html?utm_currency=USD&region=nac) | N/A | N/A | | [Mouser](https://www.mouser.com/en/ProductDetail/PUI-Audio/SMT-0940-T-3V-R?qs=3oQE7hz4vAYxByMmiFkkHw%3D%3D) | $4.37 | 1.3K | | [Verical](https://www.verical.com/pd/pui-audio-inc--indicators-and-alerts-SMT-0940-T-3V-R-14625088?utm_currency=USD) | N/A | N/A | - **Part Type:** Electromechanical Components - **MPN:** SMT-0940-T-3V-R - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 2 ## Pins | Pin | Name | Type | |-----|------|------| | N | - | | | P | + | | --- *Generated from [https://www.flux.ai/silicon-yard/smt-0940-t-3v-r](https://www.flux.ai/silicon-yard/smt-0940-t-3v-r)*