PEMI1QFN/RK,315

Overview

The PEMI1QFN/RK,315 is a single-channel passive EMI/RFI filter network manufactured by NXP USA Inc. It integrates an RC PI-filter structure with electrostatic discharge (ESD) protection capabilities. The component operates within a temperature range of -40°C to 85°C and is housed in a compact SOT883 package, specifically identified as a 3-XQFN configuration. Key electrical parameters include a resistance value of 100 Ohms and a total capacitance of 13.5pF per channel. Designed for surface-mount installation, this device supports applications requiring signal integrity maintenance in high-speed data lines.

Feature Summary

• Integrates a passive RC PI-filter network for effective EMI and RFI suppression
• Includes built-in electrostatic discharge (ESD) protection circuitry
• Utilizes a compact surface-mount package suitable for space-constrained designs

Applications

• Local Area Network (LAN) interfaces
• Personal Communication Service (PCS) systems
• Wide Area Network (WAN) connections

Procurement Notes

Verify the specific suffix designation to ensure correct resistance and capacitance values, as variations exist within the PEMIxQFN family. Confirm that the required operating temperature range aligns with the -40°C to 85°C specification provided for this variant. Ensure compatibility with the 3-XQFN footprint during PCB layout. Cross-reference the manufacturer's latest documentation to confirm current production status and any potential obsolescence notices before finalizing procurement plans.

Selection Notes

Select this component when a single-channel solution is required for filtering high-speed digital signals while providing ESD protection. The 100 Ohm resistance and 13.5pF capacitance combination is suitable for specific impedance matching requirements in LAN and WAN applications. Consider the small form factor if board real estate is limited. Evaluate the thermal performance against the specified operating temperature limits to ensure reliability under expected environmental conditions.

Part Context

This part belongs to the PEMIxQFN series from NXP Semiconductors, which offers various configurations of passive filter networks. The series includes 1-, 2-, 4-, 6-, and 8-channel options with different resistance and capacitance values. The RK suffix specifically denotes the 100 Ohm / 13.5pF configuration. These components are designed to replace discrete filter elements, simplifying assembly and improving consistency in EMI mitigation strategies for consumer and industrial electronics.

Replacement Considerations

Direct substitutes may include other variants within the PEMIxQFN family, such as PEMI1QFN/LR,315 or PEMI1QFN/LE,315, provided their electrical parameters match the design requirements. Verify that alternative parts offer equivalent ESD protection levels and fit the same SOT883 footprint. Consult official replacement guides for confirmed cross-references.