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Product Detailed Parameters
- Description：PZ TRANSDUCER 9V L/W ALUMINUM SP
- Series：*
- Mfr：DB Products
- Package：Bulk
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Peak-Peak Signal
- Frequency：4.25kHz
- Technology：Piezo
- Operating Mode：-
- Duration：-
- Sound Pressure Level (SPL)：85dB @ 9V, 10cm
- Current - Supply：-
- Port Location：Top
- Operating Temperature：-20°C ~ 70°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Custom
- Termination：Wire Leads
- Height - Seated (Max)：0.110" (2.80mm)
- Voltage - Rated：-
- Voltage Range：1 ~ 30V
- Size / Dimension：1.094" Dia (27.80mm)
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Overview
The DB Products 161PZ27420DALFLM-003 is an externally driven piezo transducer buzzer designed for audio signaling applications. It operates at a nominal voltage of 9 V with a current consumption of 3 mA. The device produces a sound pressure level of 85 dB measured at 9 V and a distance of 10 cm. Its resonant frequency is specified at 4.25 kHz. The component features custom wire leads for termination, facilitating integration into various electronic assemblies requiring audible alerts.
Feature Summary
- Externally driven piezoelectric transducer design
- High acoustic output capability for clear signaling
- Custom wire lead termination for flexible installation
Applications
- Audio equipment alert systems
- Banking and ATM machine indicators
- POS system notifications
Procurement Notes
Verify the specific part number 161PZ27420DALFLM-003 against manufacturer datasheets to confirm electrical characteristics such as 9V operation and 85dB SPL. Ensure compatibility with driving circuits capable of supplying 3mA at the 4.25kHz resonant frequency. Confirm that custom wire leads meet mechanical clearance requirements in the target enclosure.
Selection Notes
Select this component when a high-volume, cost-effective piezo buzzer is required for external drive applications. It is suitable for designs needing a distinct audible tone at 4.25 kHz. Consider the 9V operating voltage and wire lead configuration during PCB layout and mechanical housing design to ensure proper fit and electrical connection.
Part Context
DB Products Limited specializes in acoustic components, offering over 5000 models since 1976. This part belongs to their line of piezo buzzers and transducers, which are widely used in industrial and consumer electronics. The company focuses on providing reliable acoustic solutions for diverse market segments including printing, banking, and retail systems.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Verify pinout and electrical specifications before considering alternative piezo transducers from other manufacturers.
