Products
Circuit Protection
Semtech STF201
USB Downstream Port Filter & TVS For EMI Filtering and ESD Protection
Obsolete - this device is no longer available. Datasheet is for information purposes only.Recommended replacement with same form fit and function for STF201-22 is EClamp2122S
Overview
Features
- Bidirectional EMI/RFI filtering and line termination with integrated ESD protection
- ESD protection for USB power (VBUS) and data lines (D+ & D-) to IEC 61000-4-2 Level 4
- Filtering and termination for two USB data lines
- Series 22 ? resistor for impedance matching
- Low TVS operating voltage (5.25 V)
- Low leakage current
- Low capacitance
- Solid-state technology
Applications
- USB Hubs
- Portable electronics
- Printers
- Monitors
- Servers, desktop and notebook computers
Packaging
SOT-23 6L
Order Codes
- STF201-22.TCT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Diagrams and Specs
Block Diagram
Click diagram to enlarge
Datasheets and Resources
Restricted
Application Matrices
Application Notes
- Calculating Clamping Voltage at Different Peak Pulse Currents - SI97-03
- Calculating Transient Energy - SI97-02
- Disadvantage of On-Chip Transient Protection - SI97-04
- ESD Protection -SI96-12
- ESD Threat to Semiconductor Devices - SI96-11
- PCB Design Guidelines for ESD Suppression - SI99-01
- Protecting USB Ports from ESD Damage - SI96-18
- Transient Immunity Standards: IEC 61000-4-x - AN96-07
- TVS Diode Selection - SI96-02
- TVS Peak Pulse Power vs. Pulse Duration - SI96-03
- TVS Power Derating vs. Temperature - SI96-04
- Unidirectional and Bidirectional Operation - SI96-05
- USB Line Termination - SI00-05
- What are TVS Diodes? - SI96-01