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Product Detailed Parameters
- Description：BUZZER MAGNETIC 3.6V 9.00MM SMD
- Series：-
- Mfr：Same Sky (Formerly CUI Devices)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Zero-Peak Signal
- Frequency：2.73kHz
- Technology：Magnetic
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：83dB @ 3.6V, 10cm
- Current - Supply：110mA
- Port Location：Side
- Operating Temperature：-40°C ~ 85°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Surface Mount
- Termination：Solder Pads
- Height - Seated (Max)：0.106" (2.70mm)
- Voltage - Rated：3.6 V
- Voltage Range：2.5 ~ 4.5V
- Size / Dimension：0.354" Dia (9.00mm)
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Overview
The CBT-09427-SMT-TR is a surface-mount magnetic audio transducer buzzer manufactured by Same Sky. It features an 8.5 mm diameter and a low profile height of 2.5 mm. The device operates within a voltage range of 2.5 V to 4.5 V DC and delivers a sound pressure level (SPL) of 87 dB at a distance of 10 cm with a peak-to-peak voltage of 3.6 V. Constructed with a Liquid Crystal Polymer (LCP) housing, it is designed for right-angle or standard SMT PCB mounting in compact electronic assemblies.
Feature Summary
- Compact micro buzzer design with a 2.5 mm low-profile housing suitable for space-constrained portable devices.
- Magnetic transduction technology providing consistent acoustic output within specified voltage limits.
- Surface-mount termination compatible with automated pick-and-place assembly processes.
Applications
- Portable consumer electronics requiring audible alerts
- Medical diagnostic equipment needing compact signaling components
- Industrial control panels utilizing surface-mount buzzer arrays
Procurement Notes
Verify the specific suffix and tape/reel packaging details against the manufacturer's latest datasheet before ordering. Confirm that the operating voltage requirements of the target circuit align with the 2.5 V to 4.5 V DC specification. Ensure PCB footprint dimensions match the official mechanical drawing to prevent soldering defects during reflow assembly.
Selection Notes
Select this component when a low-profile magnetic buzzer is required for surface-mount applications. Compare the 87 dB SPL rating against ambient noise levels to ensure adequate audibility. Consider the LCP material properties for environmental resistance if the device will operate in varying temperature conditions.
Part Context
This part belongs to Same Sky's line of surface-mount audio transducers. It utilizes magnetic actuation rather than piezoelectric elements, offering different tonal characteristics. The product series emphasizes miniaturization while maintaining reliable acoustic performance for general-purpose indication tasks.
Replacement Considerations
Consult the official Same Sky substitution guide for verified equivalent parts. Cross-reference mechanical dimensions and electrical parameters carefully when evaluating alternative suppliers to ensure functional compatibility.
