4DFB-860D-10=P

Overview

The 4DFB-860D-10=P is a high-performance RF bandpass filter manufactured by Toko America Inc. It operates at a center frequency of 860.5 MHz with a characteristic impedance of 50 Ohms. The component utilizes dielectric filtering technology and is housed in a compact 5-SMD, flat lead surface-mount package. Designed for robust signal selection, it supports an operating temperature range from -40°C to +85°C, ensuring reliable performance in demanding wireless communication environments.

Feature Summary

• Dielectric bandpass filtering for precise signal selection
• Surface-mount construction for automated assembly
• Wide operational temperature tolerance

Applications

• Wireless communication systems
• Signal processing circuits
• RF front-end modules

Procurement Notes

Verify the manufacturer designation as Toko America Inc. when sourcing this component. Confirm the specific center frequency of 860.5 MHz matches your system requirements. Ensure the 5-SMD flat lead package type is compatible with your PCB layout. Check that the -40°C to +85°C temperature rating aligns with your environmental specifications before finalizing procurement.

Selection Notes

Select this component for applications requiring a fixed 860.5 MHz bandpass response. The 50 Ohm impedance must match the surrounding circuitry to minimize signal reflection. Consider the SMD footprint constraints during design. Verify that the dielectric technology meets the required insertion loss and rejection characteristics for the specific application bandwidth.

Part Context

This part belongs to the RF filter category, specifically designed for frequency selection in radio frequency circuits. It serves as a passive component essential for isolating desired signals from noise and interference. The product line focuses on providing stable performance across varying thermal conditions for modern electronic devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official distributor catalogs or manufacturer cross-reference guides for potential alternatives that meet identical electrical and mechanical specifications.