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Product Detailed Parameters
- Description：BUZZER PIEZO 3V16X16MM SMD
- Series：AST
- Mfr：Mallory Sonalert Products Inc.
- Package：Strip
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Peak-Peak Signal
- Frequency：4kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：90dB @ 12V, 10cm
- Current - Supply：8mA
- Port Location：Side
- Operating Temperature：-40°C ~ 85°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Surface Mount
- Termination：Solder Pads
- Height - Seated (Max)：0.098" (2.50mm)
- Voltage - Rated：3 V
- Voltage Range：3 ~ 20V
- Size / Dimension：0.630" L x 0.630" W (16.00mm x 16.00mm)
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Overview
The AST1640MACQ is a piezoelectric transducer from the Mallory Sonalert AST series, designed for surface-mount technology applications. It operates at a rated voltage of 3 V and draws a current of 8 mA. The device produces a sound pressure level of 90 dB at a frequency of 4 kHz. Its physical dimensions are 16 mm in length, 16 mm in width, and 2.5 mm in height. The component utilizes SMD/SMT termination types for board integration.
Feature Summary
- Piezoelectric transduction mechanism for audio indication
- Surface-mount design compatible with automated assembly processes
- Low-voltage operation suitable for portable electronics
Applications
- General electronic equipment status indicators
- Portable consumer devices requiring audible alerts
- Control panels needing compact signal generation
Procurement Notes
Verify the specific suffix configuration against official Mallory Sonalert documentation to ensure correct packaging and compliance status. Confirm that the required operating parameters align with the system design before finalizing procurement orders. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and technical specifications.
Selection Notes
Select this component when a low-profile surface-mount solution is required for 3 V systems. Ensure the PCB layout accommodates the 16 mm x 16 mm footprint and 2.5 mm height constraint. Verify that the driving circuit can supply the specified 8 mA current without exceeding thermal limits. Consider the 4 kHz frequency output relative to human hearing sensitivity requirements.
Part Context
This part belongs to the AST series of surface-mount transducers manufactured by Mallory Sonalert. The series offers various acoustic outputs and form factors optimized for modern printed circuit board assembly. The AST1640MACQ represents a standard configuration within this family, providing reliable piezoelectric performance in a compact package.
Replacement Considerations
Consult official Mallory Sonalert substitution guides for verified alternatives. No direct substitute part numbers are confirmed in the provided data.
