RF3626E

Overview

The RF3626E is a Surface Acoustic Wave (SAW) filter manufactured by RFMi, designed for signal conditioning applications. It operates at a center frequency of 315 MHz with a bandwidth of 1.06 MHz, covering a range from 314.47 MHz to 315.53 MHz. The component features an impedance of 50 Ohms and utilizes SMD/SMT termination types within the SM-3838-8 package. It is qualified under AEC-Q200 standards and supports board mounting. The device functions within a temperature range of -40°C to +105°C.

Feature Summary

• Provides high frequency selectivity with low insertion loss characteristics
• Engineered for robust performance in automotive environments
• Utilizes coupled resonator technology for efficient signal filtering

Applications

• Automotive remote keyless entry systems
• Industrial wireless control interfaces
• Short-range radio communication modules

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributor before procurement. Confirm that the AEC-Q200 qualification aligns with your project's reliability requirements. Ensure the SM-3838-8 package dimensions match your PCB footprint design constraints. Check for any recent manufacturing changes that might affect electrical parameters.

Selection Notes

Select this component when a 315 MHz SAW filter with a 1.06 MHz bandwidth is required for automotive-grade applications. The 50 Ohm impedance matches standard RF transmission lines. Consider the operating temperature range of -40°C to +105°C for harsh environment suitability. Compare insertion loss specifications against system link budget requirements to ensure adequate signal integrity.

Part Context

This part belongs to the RF series of signal conditioning components produced by RFMi. It is categorized as a SAW filter within the broader filters subcategory. The product line includes various frequencies and packages tailored for specific RF applications. The RF3626E specifically targets the 315 MHz ISM band usage.

Replacement Considerations

The RF3626D is a related variant within the same series. Verify if the specific electrical tolerances and package compatibility allow for substitution. Cross-reference impedance and bandwidth specifications to ensure functional equivalence in the target circuit.