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30pcs 25mm Piezoelectric Ceramic Disc with Copper Lead for Buzzer, Sound Cavity, Drum Trigger, Guitar Pickup

Item #: 9SIVTKAM4A9042
Mfr. Part #: Kepler-8.10-OYS-315

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Product Model: 25mm Copper Plate Wired Buzzer Product Type: Piezoelectric Ceramic Buzzer Dimensions: 25mm Operating Voltage: 1.5-30V Resonant Frequency: 4.0 ± 0.5KHz Capacitance: 25000 ± 30% pF Operating Temperature: -20°C to 70°C Material: Copper Plate Premium Material & Construction Crafted from high-quality brass and ceramic, these piezo disc transducers are built for lasting durability and reliable performance. They deliver high sensitivity with low power consumption, ensuring efficient operation in any project. Ready to Use, Easy to Install Each piezo element comes pre-wired for quick and hassle-free setup. Perfect for building acoustic instrument pickups, contact microphones, foot stompers, and a variety of homemade instruments for sound and vibration detection. Versatile & Creative Applications Ideal for beginners and makers alike, these piezo discs work great as touch sensors in DIY electronics. Transform acoustic instruments into electric sound sourcesperfect for installing on box guitars, drum triggers, homemade speakers, buzzers, and more.

Overview

Specs

Reviews

High Sensitivity & Low Power Consumption 25mm piezoelectric ceramic disc; 4.0 ± 0.5 kHz resonant frequency; 25000 ± 30% capacitance; 1.8 µA sleep mode current. Ideal for acoustic instrument pickups and vibration detection in low-power projects.; Wide Voltage Compatibility Operates from 1.5V to 30V; compatible with Arduino, Raspberry Pi, and STM32 platforms. Suitable for DIY electronics, drum triggers, and custom buzzer circuits.; Durable Copper Lead Design Copper plate wired for stable electrical connection; withstands -20°C to 70°C operating range. Reliable for long-term use in sound cavity and contact microphone applications.

; Easy Integration & Setup Pre-wired with copper leads for quick installation. Perfect for guitar pickups, foot stompers, and homemade speaker systems without complex soldering.; Noise-Resistant & Stable Performance Minimizes interference for accurate signal transmission; suitable for touch sensors and acoustic detection in noisy environments. Not for high-voltage (>50V) systems.

Additional Information
First Listed on Newegg	October 25, 2026

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Return for refund within: 30 days
Return for replacement within: 60 days
This item is covered by Kepler Forge Return Policy

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Item#: 9SIVTKAM4A9042