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Product Detailed Parameters
- Description：AUD. PIEZO IND 6-28V PNL MNT
- Series：CI35P
- Mfr：Challenge Electronics
- Package：Tray
- Driver Circuitry：Indicator, Internally Driven
- Input Type：AC, DC
- Frequency：2.1kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：80dB @ 24V, 61cm
- Current - Supply：22mA
- Port Location：Top
- Operating Temperature：-30°C ~ 85°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：IP68 - Dust Tight, Waterproof
- Mounting Type：Through Hole
- Termination：PC Pins
- Height - Seated (Max)：1.378" (35.00mm)
- Voltage - Rated：24 V
- Voltage Range：6 ~ 28V
- Size / Dimension：1.409" Dia (35.80mm)
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Overview
The CI35P-28E210-C-1X is an internally driven piezoelectric indicator manufactured by Challenge Electronics. It operates at a rated voltage of 24.0 VAC/VDC with a current draw of 22mA. The device produces a continuous tone at a self-resonant frequency of 2100 Hz, achieving a sound pressure level of 115.7 dB at the rated voltage. The unit features a diameter of 35.8 mm and a height of 22.9 mm, utilizing terminal connections for mounting.
Feature Summary
- Internally driven piezoelectric design for simplified circuit integration
- Continuous tone generation capability
- IP68 rated enclosure for environmental protection
- Panel mount configuration with top porting
Applications
- Industrial control panel indicators
- Alarm systems requiring high-decibel audible alerts
- Medical equipment status signaling
- Automotive instrumentation displays
Procurement Notes
Verify the specific ordering suffix to ensure correct voltage and frequency specifications. Confirm that the terminal connection type matches the target PCB or wiring harness requirements. Check datasheet revisions for any updates to acoustic performance metrics or dimensional tolerances before finalizing procurement orders.
Selection Notes
Select this component when a high-output audible indicator is required for 24V systems. The internal driver eliminates the need for external oscillators. Ensure the application environment meets IP68 standards if moisture or dust resistance is critical. Verify space constraints against the 35.8 mm diameter and 22.9 mm height dimensions.
Part Context
This part belongs to the CI35P series of piezoelectric buzzers from Challenge Electronics. The series offers various voltage and frequency options within a standardized form factor. The CI35P line is designed for applications demanding reliable, high-volume production components with consistent acoustic output across operating temperatures.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-referencing requires matching voltage, frequency, decibel output, and physical dimensions precisely.
