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CPT-1203-03-SMT-TR is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Same Sky (Formerly CUI Devices). Its product description is 12MMX3MM, 3 V, 78 DB, SURFACE MO. Review the specifications below when checking this part for your BOM.
Alarms, Buzzers, And Sirens specifications for CPT-1203-03-SMT-TR
- Description：12MMX3MM, 3 V, 78 DB, SURFACE MO
- Series：CPT
- Mfr：Same Sky (Formerly CUI Devices)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Peak-Peak Signal
- Frequency：4kHz
- Technology：Piezo
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：75dB @ 3V, 10cm
- Current - Supply：30mA
- Port Location：Side
- Operating Temperature：-40°C ~ 80°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Surface Mount
- Termination：Solder Pads
- Height - Seated (Max)：0.138" (3.50mm)
- Voltage - Rated：3 V
- Voltage Range：1 ~ 20V
- Size / Dimension：0.472" L x 0.472" W (12.00mm x 12.00mm)
Alarms, Buzzers, And Sirens datasheet and documents for CPT-1203-03-SMT-TR
Alarms, Buzzers, And Sirens Overview
The CPT-1203-03-SMT-TR is a surface-mount piezoelectric audio transducer manufactured by Same Sky. It operates at a rated voltage of 3 V and draws a supply current of 30 mA. The device produces a sound pressure level of 75 dB when driven at 3 V, with a resonant frequency of 4 kHz. Designed for PCB integration, it utilizes solder pad termination for secure surface mounting.
Alarms, Buzzers, And Sirens Feature Summary
- Externally driven piezoelectric transducer design
- Surface mount construction with solder pad termination
- Compact form factor suitable for space-constrained electronics
Alarms, Buzzers, And Sirens Applications
- Consumer electronic device alerts
- Industrial equipment status indicators
- Medical instrument audio signaling
Alarms, Buzzers, And Sirens Procurement Notes
Verify the specific electrical ratings against the official datasheet before integration. Confirm that the driving circuit can supply the required 30 mA current at 3 V to ensure proper acoustic output. Ensure the PCB footprint matches the manufacturer's recommended land pattern for reliable soldering.
Alarms, Buzzers, And Sirens Selection Notes
Select this component when a low-voltage, high-current piezo buzzer is required for surface-mount assembly. Compare the 75 dB SPL and 4 kHz frequency against application requirements. Consider the 30 mA drive current when designing power management circuits to avoid excessive load on the signal source.
Alarms, Buzzers, And Sirens Part Context
This part belongs to the Same Sky CPT series of externally driven piezoelectric buzzers. These components are designed as active audio indicators where the internal driver is external to the package. The series offers various voltage and size options for different enclosure constraints.
Alarms, Buzzers, And Sirens Replacement Considerations
Check for compatible piezo transducers from the same family with matching voltage and current ratings. Verify mechanical dimensions and pinout compatibility before substituting with other manufacturers' surface-mount piezo devices.
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