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Product Detailed Parameters
- Description：BUZZER PIEZO 12V 30MM TH
- Series：AI
- Mfr：PUI Audio, Inc.
- Package：Tray
- Driver Circuitry：Indicator, Internally Driven
- Input Type：DC
- Frequency：3.9kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：100dB @ 12V, 10cm
- Current - Supply：15mA
- Port Location：Top
- Operating Temperature：-20°C ~ 80°C
- Approval Agency：-
- Ratings：Washable
- Ingress Protection：-
- Mounting Type：Through Hole
- Termination：PC Pins
- Height - Seated (Max)：0.780" (19.80mm)
- Voltage - Rated：12 V
- Voltage Range：3 ~ 24V
- Size / Dimension：1.181" Dia (30.00mm)
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Overview
The AI-3039-TWT-12V-R is a piezoelectric audio indicator manufactured by PUI Audio. It operates on a nominal voltage of 12 VDC with a supply range of 3 to 24 VDC and draws 15 mA current. The device produces a continuous tone at a resonant frequency of 3.9 kHz, delivering a sound pressure level of 100 dBA. It utilizes through-hole solder pin termination for board mounting. The component measures 23.8 mm in diameter and 16 mm in height.
Feature Summary
- Piezoelectric transducer technology for reliable acoustic output
- Through-hole pin termination for standard PCB integration
- Continuous tone generation capability
Applications
- General purpose electronic equipment status indication
- Industrial control panel alerts
- Consumer appliance signaling
Procurement Notes
Verify the specific electrical requirements against the official datasheet before procurement. Confirm that the operating voltage aligns with the 3-24 VDC range and that the 15 mA current draw is supported by the driving circuit. Ensure mechanical clearance accommodates the 16 mm height and 23.8 mm diameter dimensions for the target printed circuit board layout.
Selection Notes
Select this component when a high-volume audible alert is required for through-hole assembly processes. The 100 dBA output provides significant audibility in moderate noise environments. Consider the physical size constraints and the need for direct DC drive compatibility without additional driver circuits for simple applications.
Part Context
This part belongs to the AI series of board-mount audio indicators from PUI Audio. It is designed as a robust solution for visual and auditory feedback in various electronic systems. The series offers multiple voltage and frequency options to suit different design specifications while maintaining consistent mounting footprints.
Replacement Considerations
Cross-reference with other PUI Audio AI series parts for similar voltage and frequency ratings. Verify mechanical dimensions and terminal types match the existing footprint before substituting.
