BPF-C4R5+

Overview

The BPF-C4R5+ is a surface-mount bandpass filter from Mini-Circuits, utilizing lumped LC technology within a shielded case. It features a center frequency of 4.5 MHz and a bandwidth of 5 MHz. The component offers an insertion loss of 1.5 dB and operates with a 50Ω impedance. Designed for RF input power ranging from 0.08W to 5W, it functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Fabricated using SMT technology for reliable surface-mount integration
• Provides good signal rejection and low insertion loss characteristics
• Constructed in a shielded case to minimize external interference

Applications

• Aviation communication systems
• General radio frequency filtering
• Harmonic rejection circuits

Procurement Notes

Verify the specific datasheet version when ordering, as Mini-Circuits may update specifications over time. Confirm that the 50Ω impedance matches your system requirements. Ensure the 4.5 MHz center frequency aligns with your target application band. Check that the 1.5 dB insertion loss meets your signal integrity needs before finalizing procurement.

Selection Notes

Select this component when a narrow bandpass response around 4.5 MHz is required. The 5 MHz bandwidth defines the passband width. Consider the 1.5 dB insertion loss impact on signal strength. The 50Ω impedance must match source and load impedances. Verify thermal stability within the -40°C to +85°C range for your environment.

Part Context

This part belongs to the Mini-Circuits BPF series of surface-mount bandpass filters. These components are designed using lumped LC technology and typically come in shielded cases. The series supports various impedance options and is suitable for applications requiring specific frequency band passage while rejecting out-of-band signals.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Evaluate other Mini-Circuits BPF series components if exact specifications cannot be met. Ensure any alternative maintains compatible impedance and frequency parameters.