B39431R1903A310

Description：SAW RES 433.9200MHZ SMD
Series：R1900
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)

SKU:e0dbad27626f Category: SAW Filters Brand: Qualcomm (RF front-end (RFFE) filters)

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Product introduction

Product Detailed Parameters

Description：SAW RES 433.9200MHZ SMD
Series：R1900
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)
Frequency - Center：-
Bandwidth：-
Insertion Loss：-
Ratings：-
Applications：-
Mounting Type：Surface Mount
Package / Case：6-SMD, No Lead
Height (Max)：0.039" (1.00mm)
Size / Dimension：0.118" L x 0.118" W (3.00mm x 3.00mm)

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B39431R1903A310

Overview

The B39431R1903A310 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm (RF front-end (RFFE) filters). It operates at a center frequency of 433.92MHz and is designed for remote control applications. The component utilizes a 6-SMD, No Lead package with dimensions of 0.118" L x 0.118" W (3.00mm x 3.00mm) and a maximum height of 0.039" (1.00mm). This specific part number is classified as obsolete and is no longer in active manufacturing.

Feature Summary

Surface Acoustic Wave (SAW) technology for RF signal filtering
Optimized for remote control application environments
Compact surface-mount design suitable for space-constrained PCB layouts

Applications

Remote control systems
RF front-end filtering

Procurement Notes

This component is officially listed as obsolete and no longer manufactured by the producer. Procurement must rely on secondary market distributors or authorized surplus channels. Verify the authenticity and storage history of available units, as lead times are not guaranteed by the manufacturer. Confirm that the specific batch meets current quality standards before integration into new designs.

Selection Notes

Due to the obsolete status of this part, it is unsuitable for new product development requiring long-term supply stability. Engineers should evaluate alternative components from the same family or newer generations that offer equivalent electrical specifications and active manufacturing status to ensure future availability and support.

Part Context

The B39431 series comprises various SAW filters developed for RF front-end modules. These components are engineered to provide precise frequency selection and interference rejection in wireless communication devices. The R1903 variant specifically targets the 433MHz ISM band commonly used in low-power remote control transmitters and receivers.