STMicroelectronics USBUF01W6: High-Performance RC Pi Filter for USB Applications | EMI/RFI Filter 2024-07-16 Discover the STMicroelectronics USBUF01W6, a high-performance 2nd order RC Pi filter designed for USB applications. Featuring -28dB attenuation @ 900MHz, 33 resistance, 47pF capacitance, and ESD protection in a compact 6-TSSOP package. Ideal for EMI/RFI filtering in consumer electronics and industrial systems.