PEMI2STD/HK,115

Overview

The PEMI2STD/HK,115 is a second-order RC (Pi) low-pass EMI filter manufactured by NXP USA Inc. It integrates passive filtering components with electrostatic discharge protection diodes to safeguard downstream circuitry. The device features a resistance of 45 ohms and a total capacitance of 13.5 picofarads. Designed for surface mount applications, it utilizes the SOT-665 package with dimensions of 0.063 inches in length and 0.039 inches in width. The component operates within a temperature range of -40°C to 85°C.

Feature Summary

• Integrates RC (Pi) low-pass filtering topology for electromagnetic interference suppression
• Incorporates internal diodes for electrostatic discharge protection on data lines
• Provides compact surface-mount solution for high-density board layouts

Applications

• Data line protection for mobile devices
• High-speed interface signal conditioning
• Electromagnetic interference filtering in consumer electronics

Procurement Notes

Verify the specific suffix HK against official NXP documentation to confirm the 45-ohm resistance and 13.5-picofarad capacitance values. Ensure the SOT-665 package designation matches the required footprint. Confirm RoHS compliance status through current manufacturer certificates before finalizing procurement specifications.

Selection Notes

Select this component when designing circuits requiring combined EMI attenuation and ESD protection for sensitive data interfaces. The 45-ohm resistance value offers a specific impedance match compared to other variants in the family. Evaluate the 13.5-picofarad capacitance to ensure it meets the bandwidth requirements of the target application without excessive signal degradation.

Part Context

This part belongs to the PEMI2STD series of integrated EMI filters from NXP Semiconductors. These devices are engineered to replace discrete resistor and capacitor networks, saving board space. The standard variant typically uses different resistance values, while this specific model provides optimized performance for particular data line characteristics.

Replacement Considerations

PEMI2STD/RP,115: Features 100-ohm resistance and 18.5-picofarad capacitance. Verify if the higher impedance and capacitance meet the circuit requirements.