SRFBF-5H5B3A-CMBC

Overview

The SRFBF-5H5B3A-CMBC is a ceramic bandpass filter manufactured by Suntsu Electronics, Inc. It operates with a center frequency of 1.565 GHz and features a bandwidth of 90 MHz. The component presents a nominal impedance of 50 Ohms and utilizes a 3-SMD, no lead surface-mount package. Designed for operation within an ambient temperature range of -40°C to +85°C, it meets RoHS3 compliance standards.

Feature Summary

• Utilizes ceramic construction for stable RF filtering performance
• Designed for surface-mount assembly on printed circuit boards
• Operates at a defined center frequency with specified bandwidth

Applications

• RF signal processing in communication systems
• Frequency selection in wireless transceivers
• Intermediate frequency filtering in receiver architectures

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct electrical characteristics. Confirm that the required operating temperature range aligns with the specified -40°C to +85°C limit. Ensure PCB footprint dimensions match the 3-SMD no-lead package specifications provided in the datasheet before finalizing procurement orders.

Selection Notes

Select this component when a fixed center frequency of 1.565 GHz is required for RF applications. Consider the 90 MHz bandwidth relative to the signal requirements. Evaluate the 50 Ohm impedance compatibility with existing circuit stages. Assess the physical size constraints of the 3-SMD package against available board space.

Part Context

This device belongs to the SRFBF series of ceramic filters produced by Suntsu Electronics, Inc. The series includes various models with different center frequencies and bandwidths, such as the SRFBF-5H5B1J-CMBB. These components are engineered for compact RF filtering solutions in modern electronic devices requiring reliable frequency discrimination.