B39861B9871P810

Description：SAW FILTER MOBILE 1109
Series：B9871
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)

SKU:3472116f73ae Category: SAW Filters Brand: Qualcomm (RF front-end (RFFE) filters)

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Product introduction

Product Detailed Parameters

Description：SAW FILTER MOBILE 1109
Series：B9871
Mfr：Qualcomm (RF front-end (RFFE) filters)
Package：Tape & Reel (TR)
Frequency - Center：867.5MHz
Bandwidth：15MHz
Insertion Loss：1.6dB
Ratings：-
Applications：Cellular, LTE, WCDMA
Mounting Type：Surface Mount
Package / Case：5-SMD, No Lead
Height (Max)：0.016" (0.40mm)
Size / Dimension：0.043" L x 0.035" W (1.10mm x 0.90mm)

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B39861B9871P810

Overview

The B39861B9871P810 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm Technologies. Designed for cellular, LTE, and WCDMA applications, this component operates with an insertion loss of 1.6dB. It utilizes a 5-SMD, No Lead package configuration with a maximum height of 0.016 inches (0.40mm). The device supports surface mount installation techniques and is engineered to provide essential RF filtering for multimode wireless connectivity systems.

Feature Summary

Utilizes advanced acoustic filter technology for high-performance signal processing
Engineered for compact form factors in slim mobile devices
Supports reliable performance across diverse wireless environments

Applications

Cellular network connectivity modules
LTE communication systems
WCDMA infrastructure components

Procurement Notes

Verify the specific datasheet version and RoHS compliance status before integration. Confirm that the 5-SMD package dimensions align with your PCB footprint requirements. Ensure compatibility with existing RF front-end architectures. Validate moisture sensitivity levels against your assembly line capabilities. Cross-reference official documentation for any recent product change notices or lifecycle updates.

Selection Notes

Select this component when designing for cellular, LTE, or WCDMA bands requiring low insertion loss. The small 5-SMD package suits space-constrained mobile designs. Consider its acoustic technology benefits for interference rejection. Evaluate thermal management needs relative to the specified height. Ensure system requirements match the manufacturer's electrical specifications.

Part Context

This part belongs to the Qualcomm RF Front-End (RFFE) filter portfolio, which includes discrete duplexers, diplexers, and extractors. These solutions leverage ultraBAW, ultraSAW, and TC-SAW technologies. The series targets 5G/4G and Wi-Fi challenges while enabling energy-efficient multiband devices. This specific model addresses standard cellular frequency filtering needs.