SF2143A

Description：FILTER SAW 72.54/80.46MHZ 10SMD
Series：-
Mfr：Murata Electronics
Package：Bulk

SKU:1943884c4204 Category: SAW Filters Brand: Murata Electronics

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Product introduction

Product Detailed Parameters

Description：FILTER SAW 72.54/80.46MHZ 10SMD
Series：-
Mfr：Murata Electronics
Package：Bulk
Frequency - Center：72.54/80.46MHz
Bandwidth：4.3MHz
Insertion Loss：15.3dB, 15.7dB
Ratings：-
Applications：IF
Mounting Type：Surface Mount
Package / Case：10-SMD, No Lead
Height (Max)：0.047" (1.20mm)
Size / Dimension：0.449" L x 0.209" W (11.40mm x 5.30mm)

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SF2143A

Overview

The Murata Electronics SF2143A is a Surface Acoustic Wave (SAW) diplexer designed for intermediate frequency applications. It operates at center frequencies of 72.54 MHz and 80.46 MHz, featuring insertion losses of 15.3 dB and 15.7 dB respectively. The component utilizes a surface-mount package with dimensions of 11.4 mm by 5.3 mm.

Feature Summary

Integrated SAW diplexer architecture
Dual-frequency operation capability
Surface-mount construction

Applications

SDARS IF receiver circuits

Procurement Notes

Verify the specific datasheet version to confirm current manufacturing status and compliance details. Ensure the design accommodates the specified insertion loss values and physical footprint constraints during integration.

Selection Notes

Select this component when designing SDARS IF receivers requiring dual-frequency SAW filtering. Confirm that the 11.4 x 5.3 mm SMD case size fits the board layout and that the operating frequencies match the system requirements.

Part Context

This part belongs to Murata's SAW filter series, specifically engineered for automotive satellite radio applications. It serves as a critical signal conditioning element in intermediate frequency stages.