HM-31308-P137

$53.62

Description：MICROPHONE
Series：-
Mfr：Knowles
Package：Tray

SKU:6c6bd607d251 Category: Microphones Brand: Knowles

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Product introduction

HM-31308-P137 is listed in the Microphones range at ChipApex. The manufacturer field lists Knowles. Its product description is MICROPHONE. Review the specifications below when checking this part for your BOM.

Microphones specifications for HM-31308-P137

Description：MICROPHONE
Series：-
Mfr：Knowles
Package：Tray
Type：-
Output Type：-
Direction：-
Frequency Range：-
Sensitivity：-
S/N Ratio：-
Impedance：-
Voltage Range：-
Current - Supply：-
Port Location：-
Ratings：-
Termination：-
Size / Dimension：-
Height (Max)：-
Shape：-
Grade：-
Qualification：-
Voltage - Rated：-

Microphones datasheet and documents for HM-31308-P137

HM-31308-P137

Microphones Overview

The Knowles HM-31308-P137 is a subminiature omnidirectional microphone designed for applications requiring premium audio performance within very small form factors. It belongs to the HM series of TO/BTO microphones, which offer improved RFI/EMI suppression capabilities. The device is available in an undamped configuration and features screen damping characteristics. This component is manufactured by Knowles and falls under the audio devices product category.

Microphones Feature Summary

Subminiature size optimized for compact electronic designs
Omnidirectional acoustic response pattern
Improved radio frequency and electromagnetic interference suppression
Screen damped internal structure

Microphones Applications

Consumer electronics with space constraints
Mobile communication devices
Wearable audio technology
Compact recording equipment

Microphones Procurement Notes

Verify the specific ordering suffix P137 against the manufacturer's current datasheet to confirm package and damping specifications. Ensure compatibility with existing PCB footprints and acoustic ports. Confirm RoHS compliance status through official documentation before finalizing procurement decisions.

Microphones Selection Notes

Select this component when high-quality audio capture is required in extremely limited physical spaces. Consider the improved RFI/EMI suppression for operation in electrically noisy environments. Evaluate the screen-damped response characteristics against project acoustic requirements.

Microphones Part Context

This microphone is part of the HM series from Knowles, which focuses on subminiature performance microphones. The series targets new products demanding premium audio quality alongside minimal physical dimensions. It represents a specialized solution for modern portable and wearable audio applications.

Microphones Replacement Considerations

Consult the official Knowles catalog for direct substitutes within the HM series. Verify pinout compatibility and acoustic sensitivity curves when evaluating alternative models from other manufacturers.

Explore related parts through Audio Products, all product categories, ChipApex homepage.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

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Return and Refund