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SCE028MD3DT8B is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Mallory Sonalert Products Inc.. Its product description is BUZZER PIEZO 42.85MM PNL MNT. Review the specifications below when checking this part for your BOM.
Alarms, Buzzers, And Sirens specifications for SCE028MD3DT8B
- Description：BUZZER PIEZO 42.85MM PNL MNT
- Series：SCE
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：DC
- Frequency：2.9kHz
- Technology：Piezo
- Operating Mode：Warble, Slow
- Duration：1.5 WPS
- Sound Pressure Level (SPL)：75dB @ 16V, 61cm
- Current - Supply：40mA
- Port Location：Top
- Operating Temperature：-40°C ~ 85°C
- Approval Agency：cUL, UL
- Ratings：-
- Ingress Protection：-
- Mounting Type：Panel Mount
- Termination：Terminal Block
- Height - Seated (Max)：1.511" (38.39mm)
- Voltage Range：16 ~ 28V
- Size / Dimension：1.687" Dia (42.85mm)
Alarms, Buzzers, And Sirens datasheet and documents for SCE028MD3DT8B
Alarms, Buzzers, And Sirens Overview
The SCE028MD3DT8B is a piezoelectric buzzer from the SCE series by Mallory Sonalert. It operates on a DC voltage range of 16 to 28V with a current rating of 40 mA. The device produces a slow warble tone at a frequency of 3 kHz and delivers a sound pressure level of 75 dB at 16V measured at 61 cm. It features panel mount installation with terminal block connections and has a diameter of 42.85 mm.
Alarms, Buzzers, And Sirens Feature Summary
- Piezoelectric technology for reliable audio indication
- Internal driver circuitry for direct connection
- Slow warble acoustic output pattern
- Panel mount design with terminal block termination
Alarms, Buzzers, And Sirens Applications
- Industrial machinery status indicators
- Control panel alarm systems
- Equipment fault detection alerts
Alarms, Buzzers, And Sirens Procurement Notes
Verify the specific acoustic pattern and electrical ratings against the official datasheet before integration. Confirm that the terminal block interface matches the system wiring requirements. Ensure the operating voltage range aligns with the available power supply. Check for any regional compliance certifications required for the deployment environment.
Alarms, Buzzers, And Sirens Selection Notes
Select this component when a slow warble alert is required within the 16-28VDC operational range. The 40mA current draw suits standard control circuits. The panel mount form factor fits standard enclosure cutouts. Verify that the 75dB SPL meets the ambient noise requirements of the target application area.
Alarms, Buzzers, And Sirens Part Context
This part belongs to the SCE series of industrial audio indicators. The series offers various tones and voltages. The SCE028 model line supports 16-28VDC operation. The MD3 suffix indicates the specific slow warble tone variant. The DT8B suffix denotes the terminal block connection style.
Alarms, Buzzers, And Sirens Replacement Considerations
SCE028MD3DT5S is a documented alternative in the same series.
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