WM-56A103

Overview

The WM-56A103 is an analog omnidirectional microphone manufactured by Panasonic Electronic Components. It features a circular shape with a diameter of 9.70 mm (0.382 inches). The device operates within a voltage range of 1.5 V to 10 V and has a supply current of 500 µA. Its sensitivity is specified as -47 dB ± 4 dB at 94 dB SPL. The component utilizes solder pads for termination, with the sound port located on the top surface.

Feature Summary

• Omnidirectional acoustic design for uniform sound capture from all directions
• Analog output signal generation suitable for standard audio processing circuits
• Top-port configuration allowing direct exposure to ambient sound sources

Applications

• Consumer electronic audio input devices
• Voice recognition system microphones
• General-purpose analog audio recording equipment

Procurement Notes

Verify the manufacturer part number WM-56A103 against official Panasonic Electronic Components documentation to confirm specifications. Ensure compatibility with required operating voltages between 1.5 V and 10 V. Confirm that the analog output type and omnidirectional polar pattern meet the specific acoustic requirements of the target application before procurement.

Selection Notes

Select this component when an omnidirectional analog microphone is required for compact audio applications. Consider the 9.70 mm diameter and top-port orientation for mechanical integration. Verify that the 500 µA supply current fits within the power budget of the host circuit. Ensure the -47 dB sensitivity level provides adequate signal-to-noise ratio for the intended voice or audio capture environment.

Part Context

The WM-56A103 belongs to the Panasonic WM series of microphones. This series includes various models designed for different acoustic and electrical requirements. The WM-56A103 specifically addresses needs for standard analog audio pickup in portable and stationary electronic devices requiring reliable omnidirectional sound reception.

Replacement Considerations

Consult Panasonic Electronic Components official documentation for verified substitute part numbers. Cross-reference technical specifications such as sensitivity, voltage range, and physical dimensions to ensure functional equivalence. Do not assume interchangeability with other series without explicit manufacturer confirmation.