PEMI1QFN/HG,315

Overview

The PEMI1QFN/HG,315 is a single-channel passive EMI/RFI filter from the NXP PEMIxQFN family. It features an integrated RC PI-filter topology with a nominal resistance of 45 Ohms and capacitance of 11 pF. The component is housed in a compact SC-101 (SOT883) surface-mount package measuring 1.00mm x 0.60mm x 0.50mm. Designed for data line protection, it operates within standard industrial temperature ranges and complies with RoHS 3 directives.

Feature Summary

• Integrates a passive RC PI-filter network for effective EMI and RFI suppression on high-speed data lines.
• Utilizes a miniature SC-101 surface-mount package to maximize board space efficiency.
• Provides signal integrity protection through controlled impedance characteristics without active components.

Applications

• High-speed data interface noise filtering
• USB and HDMI port protection circuits
• Mobile device RF interference mitigation

Procurement Notes

Verify the specific suffix HG against the official NXP datasheet to confirm the 45 Ohm/11 pF configuration. Ensure the ordering part number matches the required SC-101 package variant. Confirm RoHS 3 compliance status if required by your manufacturing standards. Cross-reference the manufacturer code to distinguish between NXP Semiconductors and Nexperia sources if applicable.

Selection Notes

Select this component when space-constrained designs require passive filtering for single-ended data lines. The 45 Ohm resistance value suits applications requiring minimal signal attenuation while providing adequate high-frequency noise rejection. Compare the 11 pF capacitance against the target data rate to ensure signal integrity is maintained without excessive loading effects on the transmission line.

Part Context

This part belongs to the PEMIxQFN family of integrated passive devices designed for compact electronics. These filters replace discrete resistor-capacitor networks, reducing assembly complexity and footprint. The series is widely used in consumer electronics and automotive infotainment systems where electromagnetic compatibility is critical for reliable operation.

Replacement Considerations

Check for other suffixes in the PEMI1QFN series (e.g., LE, RG) which offer different resistance and capacitance values. Verify pinout compatibility before substituting with similar SC-101 filters from other manufacturers. Ensure the replacement maintains the same thermal and mechanical specifications for the application environment.

FAQ

What is the internal topology of the PEMI1QFN/HG,315?

It utilizes a passive RC PI-filter topology consisting of a 45 Ohm resistor and an 11 pF capacitor.

Does this component require external power?

No, it is a passive filter that does not require an external power supply to function.