RFBPF2520070AMT

Overview

The RFBPF2520070AMT is a surface-mount EMI/RFI band-pass filter manufactured by Walsin Technology Corporation. Designed for the 2.45 GHz ISM band, this component operates within the 2.4 GHz to 2.4835 GHz range. It utilizes a ceramic dielectric and features a compact 0603 (1608 metric) package with four pads. The device provides insertion loss of 1.5 dB maximum at center frequency and high attenuation of 40 dB minimum in stopbands. It supports frequencies up to 12.4 GHz and maintains a VSWR of 1.5:1 maximum.

Feature Summary

• Provides effective suppression of electromagnetic interference and radio frequency interference signals
• Engineered for precise signal selection within the 2.45 GHz industrial, scientific, and medical band
• Constructed using robust ceramic materials suitable for standard surface mount assembly processes

Applications

• Wireless local area network (WLAN) modules operating at 2.4 GHz
• Bluetooth devices requiring RF front-end filtering
• Zigbee and other IEEE 802.15.4 based wireless sensor networks
• Industrial control systems utilizing 2.4 GHz communication protocols

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Walsin Technology Corporation or authorized distributors before procurement. Confirm that the 0603 footprint dimensions and pad layout match the target PCB design requirements. Ensure the operating temperature range meets the environmental specifications of the final application.

Selection Notes

Select this component when a compact solution is required for filtering noise in the 2.45 GHz spectrum. The 0603 package size offers space efficiency for dense circuit boards. Consider the 1.5 dB insertion loss and 40 dB stopband attenuation when designing for signal integrity. This filter is appropriate for applications where minimal signal degradation is critical alongside strong interference rejection.

Part Context

This part belongs to the RFBPF series of band-pass filters from Walsin Technology Corporation. These components are designed to address EMI/RFI challenges in modern wireless electronics. The series includes various cutoff frequencies tailored to different communication standards, with this specific model targeting the widely used 2.4 GHz ISM band for global compatibility.

FAQ

What is the center frequency of the RFBPF2520070AMT?

The center frequency is 2.45 GHz.

What package type does this filter use?

It uses a 0603 (1608 metric) surface mount package.