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SCE120LA3DT7B 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 SCE120LA3DT7B
- Description：BUZZER PIEZO 42.85MM PNL MNT
- Series：SCE
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：AC
- Frequency：2.9kHz
- Technology：Piezo
- Operating Mode：Warble, Fast
- Duration：7 WPS
- Sound Pressure Level (SPL)：85dB @ 48V, 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 - Rated：-
- Voltage Range：48 ~ 120V
- Size / Dimension：1.687" Dia (42.85mm)
Alarms, Buzzers, And Sirens datasheet and documents for SCE120LA3DT7B
Alarms, Buzzers, And Sirens Overview
The SCE120LA3DT7B is a piezoelectric buzzer from the SCE series by Mallory Sonalert. It operates on an AC input voltage range of 48 to 120V with a current rating of 40mA. The device produces a dual-tone sound at a frequency of 2.9kHz and delivers a sound pressure level of 65dB at 48V measured at 61cm. Designed for panel mounting, it features terminal block connections and includes internal drive circuitry. The unit is certified by UL and cUL and functions within a temperature range of -40°C to 85°C.
Alarms, Buzzers, And Sirens Feature Summary
- Dual-tone audio output capability
- Internal drive circuitry for direct connection
- Panel mount installation style
Alarms, Buzzers, And Sirens Applications
- Industrial control panels
- Machine status indication
- Safety alarm systems
Alarms, Buzzers, And Sirens Procurement Notes
Verify the specific suffix DT7 confirms the dual-tone characteristic and 65dB SPL rating against the official datasheet. Confirm that the terminal block termination matches the enclosure design. Ensure the 48-120VAC operating range aligns with the system power supply before procurement.
Alarms, Buzzers, And Sirens Selection Notes
Select this model when a distinct dual-tone alert is required for industrial environments. The internal driver simplifies integration by eliminating external oscillators. Verify that the 65dB acoustic output meets the ambient noise requirements of the installation site.
Alarms, Buzzers, And Sirens Part Context
This component belongs to the SCE series of industrial audio indicators. These devices are engineered for robust performance in demanding electrical environments. The series offers various tone patterns and mounting options to suit different panel configurations and signaling needs.
Alarms, Buzzers, And Sirens Replacement Considerations
Check SCE120SA3DT7B for identical dual-tone specifications but potentially different acoustic levels. Verify SCE120XA3SU1B if a higher sound pressure level is acceptable.
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