BPF-B140W+

Overview

The BPF-B140W+ is a lumped LC bandpass filter designed for surface mount applications. It operates with a center frequency of 140 MHz and provides an 800 MHz bandwidth. The component maintains a 50-ohm impedance and utilizes SMD/SMT termination types. Its physical dimensions are 4.7 mm x 2.0 mm x 2.0 mm, housed in the HZ1198 case style. The unit functions within a temperature range of -40°C to +85°C.

Feature Summary

• Utilizes lumped LC technology for compact surface mount integration
• Provides defined bandpass filtering characteristics at 140 MHz
• Designed for high-reliability RF signal conditioning

Applications

• RF front-end filtering in communication systems
• Signal conditioning in test and measurement equipment
• Frequency selection in receiver architectures

Procurement Notes

Verify the specific datasheet revision and electrical performance graphs directly from Mini-Circuits before finalizing design integration. Confirm that the HZ1198 footprint matches your PCB layout requirements. Ensure operating conditions remain within the specified -40°C to +85°C temperature range to maintain rated performance. Cross-reference the Mouser number 139-bpf-a1340 if searching via distributor catalogs, as part identification may vary across platforms.

Selection Notes

Select this component when a fixed 140 MHz center frequency with 800 MHz bandwidth is required. The lumped LC construction offers a small form factor suitable for space-constrained designs. Consider the 50-ohm system impedance compatibility. Evaluate insertion loss and stopband attenuation specifications from the official datasheet against application requirements. The SMD package facilitates automated assembly processes.

Part Context

This component belongs to the Mini-Circuits BPF series of bandpass filters. The series includes various models optimized for different frequency ranges and applications. The BPF-B140W+ specifically targets the VHF band. Mini-Circuits manufactures these components for use in RF and microwave circuits requiring precise frequency selection.

Replacement Considerations

Consult Mini-Circuits documentation for direct substitutes. Verify that any alternative component matches the 140 MHz center frequency, 800 MHz bandwidth, and 50-ohm impedance. Ensure the replacement fits the HZ1198 footprint or requires layout modification.