PKM22EPPH2002-B0

Overview

The PKM22EPPH2002-B0 is a through-hole piezoelectric sounder manufactured by Murata Electronics. It features a 22mm diameter and operates with an external drive signal at a fixed frequency of 2 kHz. The device delivers a sound pressure level of 70 dB when driven at 1.5 V, with a maximum rated voltage of 15 V. Designed for low power consumption, it utilizes PC pin termination for board mounting. The component is RoHS compliant and suitable for continuous tone applications in electronic devices requiring reliable audio indication.

Feature Summary

• Externally driven piezoelectric transducer design
• Low power consumption operation
• Contactless and noise-free acoustic output
• Through-hole PC pin termination

Applications

• Electronic watches
• Electronic calculators
• Telephones

Procurement Notes

Verify the specific suffix B0 against the official Murata datasheet to confirm terminal configuration and compliance status. Ensure the driving circuit provides a stable 2 kHz signal within the 1.5 V to 15 V range to maintain specified performance. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm mechanical dimensions match the target PCB layout before finalizing procurement.

Selection Notes

Select this component for applications requiring a simple, externally driven audio indicator with minimal power draw. The fixed 2 kHz frequency makes it ideal for standard alert tones where variable pitch is unnecessary. Consider the 22mm diameter and through-hole mounting requirements during mechanical design. This model is appropriate for consumer electronics such as calculators and timepieces where reliability and low cost are prioritized over high-volume sound pressure levels.

Part Context

This part belongs to the Murata PKM series of piezoelectric sounders. The series is characterized by low power consumption and high reliability due to its contactless design. These components are widely used in portable electronic devices where battery life is critical. The PKM22 variant specifically offers a 22mm form factor, balancing acoustic output with compact physical size for various consumer electronics assemblies.

Replacement Considerations

Check for direct substitutes within the PKM22 series that may differ only in acoustic pressure ratings or voltage tolerances. Verify that any replacement maintains the 2 kHz operating frequency and through-hole PC pin interface. Ensure mechanical compatibility regarding diameter and height if space constraints are strict.