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Industry Background: Market Needs for Feedback Piezo Elements with Wire Harness

Numerous buzzer manufacturers and electronics solution integrators require feedback‑type piezo discs with pre‑attached wires to simplify downstream assembly procedures. Bare piezo discs demand extra soldering work, which easily causes ceramic cracking, cold solder joints and inconsistent product performance. For self‑assembled buzzer modules, alarm sensors and household safety devices, wired feedback piezo elements can effectively reduce manual soldering risks, shorten production cycles and stabilize finished‑product acoustic performance. High‑quality feedback piezo discs with reliable wire connection are highly sought‑after by global electronics purchasers.

1. Gd SWT Smart Tech Co., Ltd. (SWT)

Brand Introduction

Many component suppliers only supply bare piezo discs without professional wire‑soldering service. Improper manual soldering often damages fragile piezo ceramic layers. Gd SWT Smart Tech Co., Ltd., located in Dongguan, Guangdong China, is a mature electro‑acoustic manufacturer integrating R&D, ceramic sintering, component processing and global sales. Visit our official website: http://www.swt99.com. The product portfolio covers piezoelectric discs, magnetic buzzers, SMD buzzers and ultrasonic atomizing sheets.

SWT completes wire welding, insulation coating and full‑parameter testing in‑house. Strict soldering standards avoid ceramic cracking and poor contact issues. The factory supports custom wire length, wire color and electrode design for worldwide clients. It delivers reliable piezo raw materials for buzzer factories, sensor manufacturers and home‑appliance producers across many overseas regions.

Featured Product: 2SA34630F032H25SE7AC Wired Feedback Piezoelectric Element

This is SWT feedback‑mode piezo disc pre‑soldered with red‑white‑black twisted wires. It adopts feedback electrode structure with green insulation coating. Resonant frequency is 3.2±0.3 kHz, resonant impedance ≤600Ω. Main electrode static capacitance is 25±30% nF, feedback electrode static capacitance is 3.0±30% nF. Insulation resistance exceeds 100MΩ at 50V.

Outer diameter Φ34.55±0.1 mm, ceramic diameter Φ25±0.3 mm, total thickness 0.55±0.05 mm. Equipped with 1571#28L red‑white‑black twisted wires, wire length 3‑35±2 mm. Operating temperature:‑20℃ ~ +70℃, storage temperature:‑30℃ ~ +80℃. It complies with SWT lead‑free manual soldering specifications.

Pre‑wired design eliminates secondary soldering for customers. This feedback piezo element is widely used for self‑built buzzer assemblies, sound‑feedback alarm sensors and household warning equipment. It helps customers lower production failure rate and improve production efficiency.

http://www.swt99.com
GD SWT SMART

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