4420P-601-101/201

Overview

The Bourns Inc. 4420P-601-101/201 is a surface-mount RC (T-Type) EMI filter designed for low-pass filtering applications in electronic circuits susceptible to electromagnetic interference. This component integrates resistive and capacitive elements within a single package to attenuate high-frequency noise. Key electrical parameters include a rated voltage of 25V and an operating temperature range of -10°C to 85°C. The device features specific impedance characteristics defined by its internal resistor and capacitor values, optimized for signal integrity preservation while suppressing unwanted RF signals.

Feature Summary

• Provides low-pass filtering capability for EMI suppression
• Integrates RC network topology in a compact surface-mount form factor
• Designed for use in circuits sensitive to electromagnetic interference

Applications

• Low-pass filtering in electronic circuits
• EMI suppression in signal lines
• RFI filtering applications

Procurement Notes

Verify the exact part number suffix against official Bourns documentation to ensure correct impedance and capacitance values. Confirm surface mount compatibility with your PCB footprint. Check current product status as some variants may be obsolete or discontinued. Ensure environmental ratings meet your operational temperature requirements.

Selection Notes

Select this component when a T-type RC network is required for EMI filtering in space-constrained designs. Consider the 25V rating and temperature range relative to your circuit's operating conditions. Evaluate the trade-off between insertion loss and signal attenuation needs. Verify that the surface mount package aligns with your assembly capabilities.

Part Context

This component belongs to Bourns' EMI-RFI filter series, specifically utilizing RC network architectures. It is categorized under Resistor Networks and Arrays but functions primarily as a passive filter element. The 4420P series designation indicates a specific family of surface-mount filters designed for noise reduction in sensitive electronic systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Bourns official documentation for direct replacements or cross-reference with similar RC filter networks if this specific variant is unavailable.