F5KY740M0B4UR-Z

Overview

The F5KY740M0B4UR-Z is a Surface Acoustic Wave (SAW) filter manufactured by Taiyo Yuden, designed for signal conditioning in RF applications. It operates at a center frequency of 740 MHz with an insertion loss of 1.4 dB and a bandwidth of 12 MHz. The device features 50 Ohm input and 100 Ohm output impedances, utilizing SMD/SMT termination for board mounting. It is housed in a compact 1.1 mm x 0.9 mm x 0.5 mm package and functions within a temperature range of -30°C to +85°C.

Feature Summary

• Surface Acoustic Wave technology for precise RF filtering
• Compact surface-mount design for space-constrained PCBs
• Optimized impedance matching for signal integrity

Applications

• Cellular communication modules
• LTE RF front-end circuits
• Wireless infrastructure equipment

Procurement Notes

Verify the specific suffix B4UR-Z against official Taiyo Yuden documentation to confirm exact pinout and electrical characteristics. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm RoHS compliance status through current datasheets before integration into production designs.

Selection Notes

Select this component when a 740 MHz SAW filter with low insertion loss is required for cellular or LTE bands. Consider the 5-SMD package size for assembly constraints. Evaluate thermal performance within the specified -30°C to +85°C operating range to ensure reliability in target environments.

Part Context

This part belongs to the F5 series of SAW filters from Taiyo Yuden, which are engineered for high-frequency signal processing. The series supports various wireless standards, providing reliable attenuation of out-of-band signals while maintaining passband efficiency in modern mobile devices.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with alternative 740 MHz SAW filters only after detailed parameter comparison.