SF2134E

Overview

The SF2134E is a low-loss UHF SAW filter manufactured by Murata Electronics. It operates at a center frequency of 897.5 MHz with a bandwidth of 35 MHz and an insertion loss of 1.5 dB. The component features a nominal impedance of 50 ohms and is housed in a compact 6-SMD, no-lead package measuring 3.00 mm x 3.00 mm x 1.38 mm maximum height. Designed for surface mount technology, it supports general RF applications within the specified frequency range.

Feature Summary

• Utilizes Surface Acoustic Wave (SAW) technology for signal conditioning
• Provides low insertion loss characteristics for efficient signal transmission
• Features a compact leadless surface-mount design for automated assembly

Applications

• General purpose RF signal filtering
• UHF band communication systems
• Signal conditioning in radio frequency circuits

Procurement Notes

Verify component status as obsolete before integration into new designs. Confirm availability through authorized distributors for existing production runs. Ensure compatibility with current PCB layouts due to the specific 6-SMD footprint dimensions. Review datasheet specifications for thermal and electrical limits to maintain system reliability during implementation.

Selection Notes

Select this component for applications requiring precise filtering at 897.5 MHz with minimal signal attenuation. Consider the 35 MHz bandwidth when designing for adjacent channel rejection requirements. Evaluate the 50-ohm impedance match against source and load impedances to ensure optimal power transfer and minimize reflections in the RF path.

Part Context

This part belongs to the SF21 series of RF SAW filters from Murata Electronics. These components are engineered for high-frequency signal processing tasks where size constraints and insertion loss performance are critical. The series typically serves various wireless communication standards requiring stable frequency selection in the UHF spectrum.

Replacement Considerations

As the SF2134E is marked obsolete, identify equivalent SAW filters from Murata or other manufacturers that match the 897.5 MHz center frequency, 35 MHz bandwidth, and 6-SMD package outline. Verify pinout compatibility and electrical parameters such as insertion loss and impedance to ensure seamless substitution without redesigning the circuit board.