APPLICATIONS / 04
IoT
RYD supplies ultra-low-power buzzer (beeper), compact speaker and low-power ECM microphone unit for IoT devices including wireless sensor nodes, gateways, trackers, smart meters and edge devices, where local audible feedback, voice wake-word capture and ultrasonic presence or ranging must run on limited battery or harvested energy.
// MARKET BRIEF
Low-current piezoelectric and efficient magnetic designs extend node lifetime, while small footprints suit space-constrained enclosures; for outdoor and unattended nodes, wide-temperature and sealed options address environmental exposure, with ingress protection specified per project. Piezoelectric (PZT) ultrasonic elements support presence detection and short-range ranging at the edge. For teams needing a low-power alert buzzer or wake-word microphone that preserves node battery life, RYD's efficient designs target current, size and lifetime budgets, with exact power, sensitivity and rating confirmed per project; for requirements beyond the standard catalogue, share your target spec and RYD will confirm fit for custom or application-specific transducers.
// KEY TRAITS
- ultra-low power draw
- compact size
- ultrasonic sensing
- optimized for battery devices
- long life
- wide-temperature tolerance
// SPECIFICATION SNAPSHOT
- <5 mA active current, 1.5–5 V, SMD or through-hole
- companion speaker & microphone for battery-driven nodes. Wide-temp options typically −30 to +85 °C
- exact current draw, package and sealing confirmed per project.
All figures typical, confirmed per project.
// FAQ
How low is the current draw of your IoT buzzers?
Do you supply SMD buzzers for space-constrained IoT nodes?
-
01
VIEW →
YD50M16-22P250A
φ50mm 0.25W 22Ω Micro Speaker for Voice Prompt
-
02
VIEW →
YD50M17A-250P8EW100
51×17mm 0.25W 8Ω Square Micro Speaker, 52.5g
-
03
VIEW →
YD50M-22Z-16A
φ50mm 0.3W 16Ω Slim Speaker for Portable Audio
