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Product Detailed Parameters
- Description：BUZZER MAGN 3V 5MMX5MMSMD
- Series：AST
- Mfr：Mallory Sonalert Products Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Peak-Peak Signal
- Frequency：4kHz
- Technology：Magnetic
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：75dB @ 3V, 10cm
- Current - Supply：110mA
- Port Location：Top
- Operating Temperature：-20°C ~ 70°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Surface Mount
- Termination：Solder Pads
- Height - Seated (Max)：0.075" (1.90mm)
- Voltage - Rated：3 V
- Voltage Range：2 ~ 4V
- Size / Dimension：0.197" L x 0.197" W (5.00mm x 5.00mm)
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Overview
The AST0540MW-03TRQ is a surface-mount electromagnetic buzzer manufactured by Mallory Sonalert Products Inc. It operates at a rated voltage of 3V and draws a current of 110mA. The device produces an acoustic output of 80dB at a frequency of 4kHz. Its compact dimensions are 5mm x 5mm x 3mm, utilizing solder pad termination for PCB integration.
Feature Summary
- Electromagnetic transducer technology
- Surface mount (SMD/SMT) installation style
- Internal driver circuitry
Applications
- Board-mounted audio indication
- Compact electronic device alerts
Procurement Notes
Verify the specific ordering suffix against official Mallory Sonalert documentation to confirm exact electrical ratings and packaging configuration. Ensure compatibility with surface-mount assembly processes and verify RoHS compliance status through current manufacturer certificates before procurement.
Selection Notes
Select this component for applications requiring low-profile surface-mount audio signaling. Confirm that the 3V operating voltage and 110mA current draw align with the target system power supply capabilities. Evaluate the 80dB sound pressure level against environmental noise requirements.
Part Context
This part belongs to the AST series of board-mount buzzers from Mallory Sonalert. It is designed for space-constrained electronics where surface-mount technology is preferred over through-hole components. The electromagnetic construction distinguishes it from piezoelectric alternatives in the same form factor.
Replacement Considerations
Cross-reference with AST0540MW-3.6Q for similar electromagnetic characteristics but different voltage ratings. Verify pinout and dimensional compatibility when substituting other SMD buzzers from the manufacturer's portfolio.
