USBUF02W6

Overview

The USBUF02W6 is a dual-line EMI filter and ESD protection device designed for USB upstream ports. It integrates recommended line termination with R pull-up resistors and Ct bypassing capacitors in a compact SOT-323-6 package. Key electrical parameters include a minimum breakdown voltage (Vbr) of 7V, a clamping voltage (VC) of 7.95V, and an ESD contact voltage rating of 9kV. The device features a capacitance of 47pF per channel and series resistance of 22 ohms. It operates within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates RC Pi-filter topology for low-pass EMI attenuation
• Provides unidirectional transient voltage suppression for data lines
• Includes built-in series termination resistors for impedance matching

Applications

• USB upstream port interface protection
• ESD suppression for high-speed data lines
• EMI filtering in portable electronic devices

Procurement Notes

Verify the specific suffix 'W6' corresponds to the SOT-323-6 package configuration. Confirm RoHS compliance status through official STMicroelectronics documentation. Ensure the ordering part number matches the required tape-and-reel or cut-tape packaging format specified by the distributor. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing standards.

Selection Notes

Select this component when designing circuits requiring integrated ESD protection and signal integrity management for USB interfaces. The monolithic design reduces board space compared to discrete solutions. Verify that the 47pF capacitance meets the bandwidth requirements of the specific USB standard being implemented. Ensure the thermal operating range aligns with the final product's environmental specifications.

Part Context

This component belongs to the USBUFxxW6 series from STMicroelectronics, which specializes in EMI filters and ESD protectors. The series targets mobile and consumer electronics applications where space constraints are critical. The USBUF02W6 specifically addresses the needs of dual-line interfaces like USB, combining protection and filtering functions into a single surface-mount device.

Replacement Considerations

Public confirmed substitute part numbers: None identified in provided documentation.