BPF-A490+

Overview

The BPF-A490+ is a lumped LC bandpass filter designed for RF applications. It operates within a frequency range of 400 MHz to 600 MHz, providing a bandwidth of 200 MHz. The component features a nominal impedance of 50 Ohms and utilizes SMD/SMT termination styles for surface mount integration. It is engineered for EMI/RFI suppression and signal filtering in communication systems.

Feature Summary

• Lumped LC architecture for compact surface mount implementation
• Designed for effective EMI and RFI suppression
• Optimized for 50 Ohm system impedance matching

Applications

• EMI/RFI suppression circuits
• Power line filtering
• Signal filtering in RF front-ends

Procurement Notes

Verify the exact part number suffix against official Mini-Circuits documentation to ensure correct specifications. Confirm that the required termination style matches the SMD/SMT configuration. Check operating temperature ratings against environmental requirements before procurement.

Selection Notes

Select this component when a fixed center frequency around 490 MHz is required with a 200 MHz bandwidth. Ensure the design accommodates the 50 Ohm impedance standard. Verify that the physical footprint aligns with the HQ1157 case style constraints.

Part Context

This component belongs to the Mini-Circuits BPF series of bandpass filters. It is manufactured by Mini-Circuits, a provider of RF, IF, and microwave components. The device is categorized under lumped element filters suitable for general-purpose RF filtering tasks.

Replacement Considerations

Consult official Mini-Circuits substitution guides for verified alternatives. Do not assume compatibility with other manufacturers' filters without electrical parameter verification.