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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 @ 9V, 10cm
- Current - Supply:15 ~ 25mA
- 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 - Rated:-
- Voltage Range:9 ~ 12V
- Size / Dimension:1.750" Dia (44.45mm)
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Overview
The SBT12EMHMPPC is an internally driven piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It features a rated voltage of 9V and operates within a current range of 15 to 25mA. The device produces a sound pressure level of 85dB at 9V measured from a distance of 10cm. Its operating frequency is specified as 2.075kHz. The component utilizes through-hole mounting with PC pins and has a physical diameter of 44.45mm.
Feature Summary
- Internally driven piezoelectric design for direct integration
- Medical equipment rating compliance
- Through-hole mounting configuration
Applications
- Medical equipment audio signaling
- Equipment supply failure alarms
- Industrial control panel indicators
Procurement Notes
Verify the specific suffix 'HMPPC' against official Mallory Sonalert documentation to confirm medical fluid resistance and RoHS compliance status. Confirm availability constraints as distribution channels may indicate limited stock or regional restrictions. Ensure the ordering part number matches the exact electrical specifications required for the target application circuit.
Selection Notes
Select this component when a 9V internally driven piezo buzzer is required for medical or industrial applications. The 85dB output and 2.075kHz frequency are suitable for audible alerts in moderate noise environments. Verify that the through-hole form factor fits the PCB layout and that the operating temperature range of -30°C to 65°C meets environmental requirements.
Part Context
This part belongs to the Mallory Sonalert SBT series of audio indicators. These devices are designed for reliable acoustic signaling in various electronic systems. The manufacturer specializes in piezoelectric buzzers and sirens, offering components with specific ratings for safety-critical and general-purpose applications.
Replacement Considerations
Consult official Mallory Sonalert substitution guides for verified equivalents. Generic replacements must match the 9V rating, 44.45mm diameter, and through-hole pin configuration. Ensure any substitute maintains the required medical rating if applicable.
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