— IC芯片 | 连接器 | 传感器 | 被动器件 —
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)
Download product information
Overview
The SBT12PLHSPPC is a piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates within an IEC voltage range of 9 to 12 VDC and produces a sound pressure level of 85 dB. The device features a round shape with a diameter of 44.45 mm and utilizes through-hole mounting for PCB installation. It is recognized under cUL standards to IEC60601-1-8 AMD1, indicating compliance with medical electrical equipment safety requirements.
Feature Summary
- Complies with cUL recognition standards for medical electrical equipment safety (IEC60601-1-8 AMD1).
- Utilizes piezoelectric technology for reliable audio indication.
- Designed for direct printed circuit board mounting via through-hole terminals.
Applications
- Medical electrical equipment alarm systems
- Industrial panel indicators
- Safety warning devices requiring certified audio alerts
Procurement Notes
Verify the specific suffix HSPPC against official Mallory Sonalert documentation to confirm housing material, lead configuration, and acoustic characteristics. Ensure the procurement channel provides valid component traceability and authenticity certificates. Confirm that the delivered units match the exact part number designation to avoid functional mismatches in regulated applications.
Selection Notes
Select this component when a certified audio indicator for medical or industrial use is required. The 9-12 VDC operating range suits standard low-voltage control circuits. The 44.45 mm diameter allows for standard panel or board integration. Verify that the 85 dB output meets the specific audibility requirements of the target environment.
Part Context
This component belongs to the SBT series of piezoelectric buzzers from Mallory Sonalert. The series is designed for robust audio indication in various environments. The specific model integrates safety certifications relevant to medical and industrial sectors, distinguishing it from general-purpose indicators.
Replacement Considerations
No public substitute part numbers are confirmed in the provided documentation. Replacement requires matching the exact electrical parameters, mounting dimensions, and certification status. Consult Mallory Sonalert directly for authorized equivalents.
ChipApex | Global Electronic Components Supplier









