WM-52BM

Overview

The WM-52BM is an analog omnidirectional electret condenser microphone cartridge manufactured by Panasonic Electronic Components. It operates at a low voltage of 1.5V and features a sensitivity of -44dB. The physical dimensions include a diameter of 0.382 inches, making it suitable for compact audio applications requiring reliable sound capture in consumer electronics.

Feature Summary

• Omnidirectional acoustic design for uniform sound pickup
• Low-voltage operation capability at 1.5V
• Electret condenser technology for stable performance

Applications

• Consumer audio devices
• Portable electronic equipment
• Communication gadgets

Procurement Notes

Verify the specific manufacturing batch and RoHS compliance status directly with authorized Panasonic distributors or the manufacturer's official documentation before procurement. Ensure that the supply chain sources are certified to prevent counterfeit components. Confirm that the 1.5V operating requirement aligns with your system's power budget.

Selection Notes

Select this component when a compact, low-power omnidirectional microphone is required for analog audio signal processing. The -44dB sensitivity provides adequate gain for many consumer applications without excessive amplification needs. Consider the physical size constraints and the need for a 1.5V power supply rail during circuit design.

Part Context

The WM-52BM belongs to the Panasonic WM-52B series of electret condenser microphones. This series is designed for cost-effective audio solutions in digital and analog equipment. The component represents a standard solution for voice input in portable devices where space and power consumption are critical design factors.

Replacement Considerations

Consult Panasonic official substitution lists for compatible alternatives. Verify pinout compatibility and electrical characteristics such as sensitivity and operating voltage before replacing the component in existing designs.