B39781B4319P810

$0.63

Description：FILTER SAW 782MHZ 5SMD
Series：-
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)

SKU:05d47c2f59a5 Category: SAW Filters Brand: Qualcomm (RF front-end (RFFE) filters)

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Product introduction

Product Detailed Parameters

Description：FILTER SAW 782MHZ 5SMD
Series：-
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)
Frequency - Center：782MHz
Bandwidth：10MHz
Insertion Loss：1.5dB
Ratings：AEC-Q200
Applications：Cellular, LTE
Mounting Type：Surface Mount
Package / Case：5-SMD, No Lead
Height (Max)：0.016" (0.40mm)
Size / Dimension：0.055" L x 0.043" W (1.40mm x 1.10mm)

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B39781B4319P810

Overview

The B39781B4319P810 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies. It operates at a center frequency of 782MHz, designed for cellular and LTE RF applications. The component features a low insertion loss of 1.5dB and supports a bandwidth of 10MHz. It is housed in a compact 5-SMD, No Lead package suitable for surface mount installation. This discrete filter addresses RF design challenges in mobile and IoT devices.

Feature Summary

Utilizes advanced SAW technology for high-performance filtering
Optimized for low-loss operation in cellular and LTE systems
Designed for integration into slim form factor devices

Applications

Cellular communication modules
LTE modem-RF systems
IoT handheld devices

Procurement Notes

Verify the specific manufacturer part number against official Qualcomm documentation to ensure compatibility with target designs. Confirm that the 5-SMD package dimensions and pinout align with the PCB layout requirements. Check for any recent Product Change Notifications or End-of-Life announcements from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a discrete SAW filter is required for the 782MHz band within cellular or LTE architectures. Consider its 1.5dB insertion loss and 10MHz bandwidth specifications relative to system link budget requirements. Evaluate the 5-SMD footprint constraints against available board space compared to alternative packaging options.

Part Context

This component belongs to Qualcomm's extensive portfolio of RF front-end filters, which includes duplexers, diplexers, and extractors. These products leverage technologies such as ultraSAW and TC-SAW to support 5G/4G, Wi-Fi, and GNSS applications. The B39781 series represents discrete solutions aimed at improving RF performance in multiband and multimode wireless devices.