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30pcs HC9042 AC Buzzer 3.3V-9V 9x4.2mm Passive Electromagnetic Compact Alarm Indicator
- Product Model: HC9042_ 42 Passive Electromagnetic Type Product Type: Buzzer Package Dimensions: 9*4.2mm Frequency: 2700Hz Operating Voltage: 5V Operating Current: 50mA Pin Pitch: 4mm Material: PBT Compatible for electronic toys, security devices, development boards, computers, printers, copiers, alarm systems, telephones, timers, and various other electronic products requiring an audible alert. Compatible with Arduino and Raspberry Pi projects, this magnetic electronic buzzer delivers a continuous, long beep tonefor notification purposes. Featuring long service life, stable performance, and a high pass rate, this sounder offers reliable operation without the need for complex driving circuits. Simply apply power, and it emits a clear, consistent sound instantly.
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Compact Size for Space-Saving Applications 9x 4.2 mm dimensions; 4mm pin pitch; PBT material construction; suitable for embedded systems and compact electronics; Wide Operating Voltage Range 3.3V to 9V compatible; 5V operating current; 42 impedance; works with multiple power sources and control boards; Clear Audible Alert with High Frequency 2700Hz continuous tone; passive electromagnetic design; no need for external drivers; ensures consistent sound output; Easy Integration with Popular Development Boards Compatible for Arduino and Raspberry Pi; simple wiring; no complex programming required; ideal for DIY projects and prototyping; Reliable Performance with Long Service Life Stable operation; low power consumption; high pass rate; no calibration drift; suitable for daily use in consumer electronics
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Kepler Forge Return Policy
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