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The B39431B3564U310 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. It operates at a center frequency of 433.92MHz and is designed for remote control applications. The component features an insertion loss of 2dB and a bandwidth of 120kHz. It is housed in an 8-SMD, no-lead package with dimensions of 5.00mm x 5.00mm and a maximum height of 1.35mm. This product is currently obsolete and no longer in manufacturing.
This component is officially obsolete and no longer manufactured by Qualcomm. Procurement should focus on verified substitute part numbers or alternative sources that provide equivalent specifications. Verify compatibility with existing designs before sourcing from secondary markets.
Designers requiring this specific SAW filter must account for its discontinued status. Selection should prioritize functional equivalents within the same frequency range and package type. Ensure that any replacement maintains the required insertion loss and bandwidth characteristics for the target application.
The B39431 series comprises various SAW filters from Qualcomm's RF front-end portfolio. These components are engineered for wireless connectivity solutions. The B39431B3564U310 specifically targets the 433.92MHz band, fitting into the broader category of discrete RF filters used in consumer electronics.
The B39431B3743H110 is listed as a similar substitute part number.