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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 Mallory Sonalert SBT12EHCMPPC is a piezoelectric sounder designed for audible signaling applications. It operates at a nominal voltage of 12V DC and features a compact cylindrical form factor with a threaded mounting interface. The device integrates a built-in oscillator to generate continuous tone output without requiring external drive circuitry. Key electrical specifications include a typical sound pressure level of 85 dB at one meter distance when driven at rated voltage. The unit is constructed with materials selected for environmental durability, including a sealed housing that provides protection against moisture and dust ingress, ensuring reliable operation in various industrial and commercial environments.
Feature Summary
- Integrated oscillator enables direct connection to power source for immediate audible alert generation
- Threaded mounting design facilitates secure installation into control panels or enclosures
- Sealed construction offers resistance to environmental factors such as moisture and dust
Applications
- Industrial machinery status indication
- Appliance end-of-cycle signaling
- Security system alarm outputs
- Medical equipment operational alerts
Procurement Notes
Verify the specific ordering suffix matches the required voltage and frequency configuration. Confirm mechanical dimensions align with panel cutout requirements. Check environmental ratings against operating conditions. Ensure polarity connections are respected if applicable. Review datasheet for acoustic performance curves under load variations.
Selection Notes
Consider the required sound pressure level relative to ambient noise levels in the target environment. Evaluate the mounting method compatibility with existing enclosure designs. Assess voltage availability within the system architecture. Determine if the integrated oscillator meets the desired tone characteristics. Verify thermal operating range suitability for the installation location.
Part Context
This component belongs to the SBT series of piezoelectric sounders from Mallory Sonalert Products Inc. The series is characterized by robust construction and simple integration capabilities. These devices are commonly used where reliable, maintenance-free audible signaling is required. The SBT model line emphasizes ease of installation through standardized mounting interfaces.
Replacement Considerations
Cross-reference with other Mallory SBT series parts for similar voltage and acoustic output. Verify pinout and mounting thread specifications match before substitution. Consult official replacement guides for discontinued variants.
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