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The Ranatec RI4185 is a single-channel, panel-mountable feedthrough filter designed for USB 2.0 High-Speed applications operating at 480 Mbps. It functions as a second-order band-pass EMI/RFI filter with four internal channels to suppress electromagnetic interference. The component provides an attenuation value of 50dB within the frequency range of 800MHz to 3GHz. While primarily engineered to integrate into Ranatec shield boxes, it supports standalone installation.
Verify that the specific order matches the single-channel configuration required for your application. Confirm compatibility with existing shield box mounting standards if integrating into a larger assembly. Ensure the supplier provides official documentation to validate the 50dB attenuation specification at the specified frequencies. Check for any specific handling requirements related to its feedthrough design.
Select this component when a single-channel solution is sufficient for USB 2.0 signal integrity. Consider the RI4184 variant only if dual-channel capability is explicitly required. Evaluate the need for standalone mounting versus integrated shield box usage. Ensure the operating environment aligns with the passive filter characteristics and does not require active amplification.
Ranatec specializes in niche RF and microwave test and measurement instrumentation. The RI4185 belongs to their family of passive EMI feedthrough filters, which are critical for maintaining signal purity in demanding electronic environments. This model complements other products like the RI4201 SuperSpeed USB filter by addressing legacy High-Speed USB standards.
Publicly confirmed substitute part numbers are not available in the provided documentation.