CEP-1108 Equivalent & Substitute Parts

Part Overview

The CEP-1108 is an externally driven piezo buzzer transducer rated at 10V with a sound pressure level of 80dB @ 10V, 10cm. Manufactured by CUI Devices, this component is classified as obsolete product status. Due to its obsolete designation, identifying equivalent and substitute parts is necessary for ongoing design support, production continuity, and system maintenance where this transducer is currently deployed.

Substiute Parts

CEP-1108

CUI DevicesIn Stock: 901CEP-1108 Datasheet

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CEP-1106

CUI DevicesIn Stock: 1389CEP-1106 Datasheet

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PT-2725FPLQ

Mallory Sonalert Products Inc.In Stock: 1122PT-2725FPLQ Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CEP-1108 are identified based on the following critical parameters that determine functional compatibility:

• Technology: Piezo transducer construction
• Driver Circuitry: Externally driven configuration
• Mounting Type: Through hole with PC pin termination
• Operating Mode: Single tone operation
• Voltage Compatibility: Rated voltage and maximum voltage range suitable for 10V nominal operation
• Current Draw: Supply current within acceptable circuit design limits
• Sound Output: SPL performance at specified measurement distance
• Environmental Compliance: RoHS and REACH status alignment

The CEP-1108 has two identified substitutes: CEP-1106 (CUI Devices, active status) and PT-2725FPLQ (Mallory Sonalert Products Inc., active status). Both maintain core piezo transducer architecture with externally driven operation and through-hole mounting, enabling direct functional replacement in legacy designs.

Parameter Comparison

Engineering Selection Recommendations

CEP-1106 (CUI Devices)

The CEP-1106 is the primary substitute for CEP-1108 applications. Both components are manufactured by CUI Devices within the same CEP series, share identical rated voltage (10V), and maintain the same externally driven piezo transducer architecture with through-hole PC pin termination. The CEP-1106 holds active product status, ensuring ongoing availability and supply chain continuity. Compliance certifications (ROHS3, REACH Unaffected) align with current regulatory requirements. Design considerations include increased current draw (18mA versus 7mA) and higher SPL output (88dB @ 10V, 20cm versus 80dB @ 10V, 10cm). Physical dimensions differ, with the CEP-1106 featuring a circular 22.80mm diameter and greater height (14.00mm), requiring PCB layout verification for space-constrained applications.

PT-2725FPLQ (Mallory Sonalert Products Inc.)

The PT-2725FPLQ serves as an alternative substitute where cross-manufacturer sourcing is acceptable. This component maintains externally driven piezo transducer operation with through-hole PC pin termination and single-tone operating mode. Key differences include rated voltage of 12V (versus 10V), DC input type (versus peak-peak signal), and integrated feedback technology. The PT-2725FPLQ operates across a wider voltage range (3 ~ 28V), accommodating 10V nominal operation within specification. Current draw (10mA) falls between CEP-1108 and CEP-1106. SPL performance (85dB @ 12V, 30cm) provides intermediate output level. Active product status and ROHS3 compliance support long-term design viability. Physical dimensions (30.00mm diameter, 10.20mm height) represent the largest footprint among the three options, necessitating PCB layout assessment.

Frequently Asked Questions (FAQ)

Q: Can CEP-1106 directly replace CEP-1108 in existing designs?

A: CEP-1106 maintains functional compatibility as an externally driven piezo transducer with identical 10V rated voltage and through-hole PC pin termination. Circuit design must accommodate increased current draw (18mA versus 7mA). PCB layout verification is required due to dimensional differences (circular 22.80mm diameter, 14.00mm height versus rectangular 25.00mm x 22.00mm, 5.50mm height).

Q: What are the input signal differences between CEP-1108 and PT-2725FPLQ?

A: CEP-1108 requires peak-peak signal input, while PT-2725FPLQ operates on DC input. Driver circuitry must be adapted accordingly. PT-2725FPLQ includes integrated feedback technology, which may affect acoustic performance characteristics in the application.

Q: Is PT-2725FPLQ suitable for 10V nominal operation?

A: PT-2725FPLQ is rated at 12V with a voltage range of 3 ~ 28V, encompassing 10V operation within specification. However, SPL output (85dB @ 12V, 30cm) is specified at 12V, not 10V. Actual performance at 10V nominal will differ from published specifications.

Q: What are the compliance and regulatory considerations for substitution?

A: CEP-1108 is RoHS Compliant and REACH Unaffected. Both substitutes (CEP-1106 and PT-2725FPLQ) are ROHS3 Compliant and REACH Unaffected, meeting current regulatory standards. All three components are classified under HTSUS 8531.80.9041 and ECCN EAR99.

Q: How do physical dimensions affect PCB integration?

A: CEP-1108 measures 25.00mm x 22.00mm with 5.50mm height. CEP-1106 is 22.80mm diameter with 14.00mm height. PT-2725FPLQ is 30.00mm diameter with 10.20mm height. Space-constrained designs may require layout modification. Verify clearance for all three options before final selection.

Q: What is the current draw impact on circuit design?

A: CEP-1108 draws 7mA, CEP-1106 draws 18mA, and PT-2725FPLQ draws 10mA. Driver circuitry must supply adequate current capacity. Higher current draw in CEP-1106 may require circuit redesign for power delivery and thermal management.