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SC628AD
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Product Detailed Parameters
- Description：BUZZER PIEZO 42.85MM PNL MNT
- Series：SC
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：AC, DC
- Frequency：2kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：60dB @ 7.5V, 61cm
- Current - Supply：6 ~ 23mA
- Port Location：Top
- Operating Temperature：-30°C ~ 65°C
- Approval Agency：cUL
- Ratings：-
- Ingress Protection：-
- Mounting Type：Panel Mount
- Termination：Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)
- Height - Seated (Max)：1.399" (35.54mm)
- Voltage Range：6 ~ 28V
- Size / Dimension：1.687" Dia (42.85mm)
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Overview
The SC628AD is a piezoelectric industrial alarm from the Mallory Sonalert SC series. It operates on a voltage range of 6 to 28 VAC or DC with a current draw of 6 to 20 mA. The device produces a fast pulse tone at a frequency of 2 kHz, delivering a sound pressure level of 60 dB(A) measured at 7.5 V and 61 cm. It features panel mount installation with screw terminals and quick-connect tabs measuring 0.250 inches (6.35 mm). The unit has a diameter of 42.85 mm and an overall height of 35.54 mm.
Feature Summary
- Piezoelectric construction for reliable audio indication
- Internal driver circuitry for direct connection
- Fast pulse operation mode for distinct alerting
- Panel mount design with multiple termination options
Applications
- Industrial automation control panels
- Electrical equipment status monitoring
- Mechanical system fault detection
- Process safety warning systems
Procurement Notes
Verify the specific suffix against the official Mallory Sonalert datasheet to confirm exact electrical ratings and terminal configurations. Ensure the selected variant matches the required operating voltage and mounting style for the target application. Confirm compliance with environmental specifications such as temperature range and ingress protection if necessary for the deployment environment.
Selection Notes
Select this component when a continuous audible alert is required for industrial machinery or control panels. The internal driver simplifies integration by eliminating the need for external oscillators. Consider the 60 dB(A) output level relative to ambient noise conditions. Verify that the 2 kHz frequency provides adequate audibility without causing excessive discomfort in the operational area.
Part Context
This part belongs to the SC series of industrial alarms manufactured by Mallory Sonalert Products Inc. The series is designed for rugged environments and typically includes various voltage and frequency combinations. The SC628AD specifically offers a mid-range acoustic output suitable for general industrial signaling where high-intensity alarms are not strictly mandated.
Replacement Considerations
Consult the official Mallory Sonalert cross-reference guide for verified substitutes. Ensure any replacement maintains the same voltage range, frequency, and mounting dimensions. Verify that alternative parts offer compatible terminal types and meet the required environmental standards.
