VLP190UF

Ptc Resettable Fuses Overview

The Littelfuse VLP190UF is a surface-mount Transient Voltage Suppression (TVS) diode array designed for high-speed data line protection. It provides overvoltage protection against electrostatic discharge (ESD), lightning-induced surges, and electrical fast transients (EFT). The device features low capacitance to minimize signal distortion in high-frequency applications. It is constructed with a leadless surface-mount package compatible with standard reflow soldering processes. The component meets international electromagnetic compatibility standards for transient immunity.

Ptc Resettable Fuses Feature Summary

• Provides robust protection against electrostatic discharge and transient voltage surges on sensitive data lines
• Low capacitance design ensures minimal signal integrity degradation during high-speed data transmission
• Leadless surface-mount construction facilitates automated pick-and-place assembly and compact board layouts

Ptc Resettable Fuses Applications

• Protection of USB data interfaces in consumer electronics
• Surge suppression for high-speed communication ports in industrial equipment
• Electrostatic discharge protection for automotive infotainment systems
• Overvoltage safeguarding for medical device signal lines

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet revision and detailed electrical parameters such as breakdown voltage and clamping current prior to procurement. Confirm that the selected package variant matches the required footprint and thermal management needs for the target application. Ensure compliance with RoHS and halogen-free requirements if mandated by the end-product specifications. Cross-reference the part number with official Littelfuse documentation to confirm availability and manufacturing status.

Ptc Resettable Fuses Selection Notes

Select this component when protecting high-speed data lines requiring low parasitic capacitance to maintain signal integrity. Consider the VLP190UF for applications involving USB, HDMI, or other high-bandwidth interfaces susceptible to ESD and fast transients. Evaluate the standoff voltage and peak pulse power ratings against the expected surge environment. Ensure the surface-mount package dimensions align with the printed circuit board layout constraints and assembly capabilities.

Ptc Resettable Fuses Part Context

This component belongs to Littelfuse's TVS diode array family, which specializes in multi-line transient protection solutions. These devices are engineered to shield multiple channels simultaneously from common-mode and differential-mode disturbances. The series supports various interface standards and offers options for unidirectional and bidirectional configurations. The technology focuses on providing reliable circuit protection while maintaining small form factors suitable for modern electronic designs.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalent part numbers. Verify pinout compatibility and electrical parameter equivalence before replacing the component. Ensure any substitute maintains the required low capacitance and surge protection capabilities for the specific application.