— 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 @ 3.3V, 10cm
- Current - Supply:15 ~ 40mA
- 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)
Download product information
Overview
The SBT5EMCMPPC is a through-hole piezoelectric buzzer manufactured by Mallory Sonalert Products Inc. It operates within an IEC voltage range of 3.3 to 5 VDC and delivers a sound pressure level of 90 dB. The component features a 44.45 mm diameter housing and is designed for board-mount applications. It complies with RoHS standards and is packaged in bulk quantities.
Feature Summary
- Piezoelectric transduction mechanism for audible signaling
- Through-hole mounting configuration for PCB integration
- IEC standard voltage compatibility
Applications
- Medical device alarm systems
- Industrial failure indication
- General audio alerting
Procurement Notes
Verify the specific suffix 'CMPPC' against official Mallory Sonalert documentation to confirm exact acoustic and electrical characteristics. Ensure the procurement channel provides valid manufacturer traceability. Confirm that the bulk packaging format aligns with assembly requirements. Cross-reference the RoHS compliance status with current regulatory updates before finalizing orders.
Selection Notes
Select this component when a 90 dB output is required at low operating voltages between 3.3 and 5 VDC. The 44.45 mm form factor suits applications needing moderate acoustic projection without excessive panel space. Verify that the through-hole package type matches the target PCB design constraints and manufacturing capabilities.
Part Context
This part belongs to the Mallory Sonalert SBT5 series, which includes various medical and industrial audio indicators. The series offers options for different voltage ratings and sound levels. The SBT5EMCMPPC specifically targets applications requiring high-volume production with standardized through-hole assembly processes.
Replacement Considerations
Consult official Mallory Sonalert substitution guides for compatible alternatives. Verify that any substitute maintains the 44.45 mm diameter and 90 dB output specification. Ensure electrical compatibility with the 3.3-5 VDC operating range.
ChipApex | Global Electronic Components Supplier









