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PS-551DGQ
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Product Detailed Parameters
- Description：5-15DC 105DB 2800HZ SP 54X41GREE
- Series：PS
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：DC
- Frequency：2.8kHz
- Technology：Piezo
- Operating Mode：Pulse, Slow
- Duration：-
- Sound Pressure Level (SPL)：105dB @ 12V, 100cm
- Current - Supply：200mA
- Port Location：Top
- Operating Temperature：-20°C ~ 70°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Bracket Mount
- Termination：Wire Leads
- Height - Seated (Max)：1.622" (41.02mm)
- Voltage - Rated：12 V
- Voltage Range：5 ~ 15V
- Size / Dimension：2.138" Dia (54.30mm)
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Overview
The PS-551DGQ is a piezoelectric sounder manufactured by Mallory Sonalert Products Inc. This component integrates a piezo element with an internal oscillator circuit to generate audible tones. It operates on direct current voltage and features a dual-tone output capability. The device is designed for panel mounting applications requiring reliable acoustic signaling without external drive electronics.
Feature Summary
- Integrated oscillator circuit eliminates need for external drive signals
- Dual-tone acoustic output capability for distinct alert patterns
- Piezoelectric transducer technology ensures high efficiency and longevity
Applications
- Industrial control panel signaling
- Medical equipment status indication
- Consumer appliance audio alerts
Procurement Notes
Verify the specific operating voltage and tone frequency requirements against the official datasheet before procurement. Ensure the mounting hole dimensions match the design enclosure. Confirm that the acoustic pressure level meets the environmental noise requirements of the target application site.
Selection Notes
Select this model when a self-contained, dual-tone audible alarm is required. Consider the operating voltage range and physical size constraints of the installation area. Evaluate the required sound pressure level relative to the ambient noise environment to ensure adequate audibility.
Part Context
This part belongs to the PS series of piezoelectric sounders from Mallory Sonalert. These components are widely used in electronic systems where simple, robust, and cost-effective audible feedback is necessary. The series offers various voltage and tone configurations to suit different industrial and commercial needs.
Replacement Considerations
Check for cross-reference parts with identical voltage ratings and mounting dimensions. Verify that substitute components offer comparable sound pressure levels and dual-tone functionality. Ensure the replacement maintains the same electrical interface and mechanical footprint.
