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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 SBT5GMHMPPC is a piezoelectric buzzer from the Mallory Sonalert SBT5 series, designed for audible signaling. It features an integrated driver circuit and accepts DC input voltages ranging from 3.3V to 5V. The unit produces a medium priority/high priority medium pulse artificial perfusion melody with a sound pressure level of 90dB. It utilizes a 4-pin through-hole mounting configuration and has a diameter of 44.45mm.
Feature Summary
- Generates specific artificial perfusion melodies using internal drive circuitry
- Operates on low voltage DC inputs between 3.3V and 5V
- Provides high-intensity audio output at 90dB
- Utilizes a compact 4-pin through-hole terminal interface
Applications
- Medical equipment status indication
- Hospital patient monitoring systems
- Clinical alarm panels
- Healthcare device failure alerts
Procurement Notes
Verify the specific melody variant against project requirements, as the SBT5 series includes multiple distinct audio patterns. Confirm that the 4-pin through-hole footprint matches the target PCB layout. Ensure the operating voltage range aligns with the system power supply. Check RoHS compliance documentation if required by regional regulations.
Selection Notes
Select this component when a specific medical-style perfusion alert tone is required rather than a standard beep. The 90dB output ensures audibility in noisy clinical environments. The 3.3V to 5V range allows compatibility with standard logic-level microcontrollers. Consider the 44.45mm diameter for panel cutout or enclosure space planning.
Part Context
This part belongs to the SBT5 family of piezoelectric buzzers, which are characterized by their small form factor and integrated electronics. The SBT5 series is widely used in applications requiring reliable, low-power audible alerts. The 'GMH' suffix typically denotes the specific perfusion melody and mounting style within the broader product line.
Replacement Considerations
Direct substitutes may include other SBT5 variants with different melodies but identical electrical and mechanical specifications. Verify pinout compatibility before swapping parts with similar Mallory Sonalert models.
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