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Product Detailed Parameters
- Description:BUZZER PIEZO 44.45MM TH
- Series:SBT
- Mfr:Mallory Sonalert Products Inc.
- Package:Bulk
- Driver Circuitry:Indicator, Internally Driven
- Input Type:DC
- Frequency:2.075kHz
- Technology:Piezo
- Operating Mode:Pin Selectable
- Duration:Variable
- Sound Pressure Level (SPL):85dB @ 3.3V, 10cm
- Current - Supply:15 ~ 30mA
- Port Location:Top
- Operating Temperature:-30°C ~ 65°C
- Approval Agency:cUL, UL
- Ratings:Medical
- Ingress Protection:-
- Mounting Type:Through Hole
- Termination:PC Pins
- Height - Seated (Max):0.551" (14.00mm)
- Voltage Range:3.3 ~ 5V
- Size / Dimension:1.750" Dia (44.45mm)
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Overview
The SBT5GLMMPPC is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates at a frequency of 2.7 kHz and produces a sound pressure level of 85 dB at a distance of 10 cm. The device features a continuous tone output and is designed for through-hole mounting with two pins. It requires a DC drive voltage ranging from 3 to 12 volts, with a typical operating current of 25 mA at 5 VDC. The unit is housed in a black plastic case with dimensions of approximately 19.0 mm in diameter and 6.5 mm in height.
Feature Summary
- Piezoelectric transducer technology for reliable acoustic signal generation
- Through-hole mounting configuration for standard PCB integration
- Continuous tone operation suitable for alarm and notification applications
Applications
- Electronic appliance status indicators
- Security system alarms
- Industrial control panel notifications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest datasheet to ensure correct voltage and acoustic specifications. Confirm that the pin configuration matches your PCB footprint requirements. Check for any RoHS compliance certifications if required by your manufacturing standards. Ensure the drive circuitry can supply the necessary current without exceeding the maximum ratings.
Selection Notes
Select this component when a compact, low-power audible indicator is needed for through-hole assembly. Consider the 85 dB SPL rating for environments requiring moderate noise levels. Evaluate the 2.7 kHz frequency for optimal human hearing sensitivity. Ensure the operating voltage range aligns with your system's power supply rails.
Part Context
This part belongs to the SBT series of piezoelectric buzzers from Mallory Sonalert Products Inc. The series is known for providing cost-effective audible signaling solutions for various electronic devices. The SBT series typically offers a range of frequencies and sound pressure levels to suit different application needs.
Replacement Considerations
Consult official substitution guides for equivalent parts with matching electrical and mechanical specifications. Verify compatibility with existing drive circuits before replacing. Ensure the replacement part meets the same safety and regulatory standards.
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