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SBT12DMHMPPC
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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 SBT12DMHMPPC is an internally driven piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates within a temperature range of -30°C to +65°C and features a diameter of 44.45mm. The device utilizes through-hole PC pin mounting for secure board integration. Electrical specifications include a current draw of 15-25mA, an operating frequency of 2.075kHz, and a sound pressure level of 85dB at 9V. It is designed for medical applications, specifically drug or fluid delivery systems.
Feature Summary
- Internally driven piezoelectric design for simplified circuit integration
- Compliant with cUL recognition standards including IEC60601-1-8 AMD1
- Optimized for medical environments such as drug and fluid delivery mechanisms
Applications
- Medical drug delivery systems
- Fluid administration alarms
- Hospital equipment audio alerts
Procurement Notes
Verify the specific datasheet version against the manufacturer's official documentation before procurement. Confirm that the IEC60601-1-8 AMD1 certification meets your regional regulatory requirements. Ensure the through-hole footprint matches your PCB layout constraints. Check for any recent updates to the RoHS compliance status directly from Mallory Sonalert.
Selection Notes
Select this component when a reliable, medically certified audio indicator is required for critical care devices. The internal drive capability reduces component count compared to externally driven buzzers. Consider the 85dB output level relative to ambient noise in clinical settings. Verify that the 44.45mm diameter fits within the designated enclosure space.
Part Context
This part belongs to the SBT series of audio indicators from Mallory Sonalert. The series includes various models tailored for different voltage and acoustic requirements. The SBT12DMHMPPC is distinguished by its specific medical rating and piezoelectric construction. It serves as a specialized solution for safety-critical audible warnings in healthcare technology.
Replacement Considerations
Consult the official Mallory Sonalert substitution guide for verified equivalents. Generic piezo buzzers may not meet the required IEC60601-1-8 AMD1 medical safety standards. Ensure any substitute maintains the same 44.45mm form factor and through-hole pin configuration.
