Products
Circuit Protection
Semtech EClamp2122S
USB Downstream Port Filter & TVS For EMI Filtering and ESD Protection
The EClamp®2122S is combination EMI filter and line termination device with integrated TVS diodes for use
on USB interfaces. This device utilizes solid-state silicon-avalanche technology for superior clamping
performance and DC electrical characteristics. They have been optimized for protection of USB interfaces
in cellular phones and other portable electronics.
Overview
Features
- EMI/RFI filtering and line termination with integrated
- ESD protection
- ESD protection for USB power (VBUS) and data lines (D+ & D-) to IIEC 61000-4-2 (ESD), ±25kV (air),
- ±20kV (contact)
- Filtering and termination for two USB data lines
- Series resistors for impedance matching
- Integrated pull down resistors as required by the USB specification for downstream ports
- Low TVS operating voltage (5.25V)
- Solid-state technology
Applications
- USB 1.1 Interfaces
- USB Hubs
- Printers
- Monitors
- Servers, Desktop, and Notebook computers
Packaging
- SOT-23
Order Codes
- EClamp2122S.TCT
- USB 1.1 Interfaces
- USB Hubs
- Printers
- Monitors
- Servers, Desktop, and Notebook computers
Packaging
- SOT-23
Order Codes
- EClamp2122S.TCT
- EClamp2122S.TCT
Datasheets and Resources
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Tools and Resources
TVS Protection Selector Guide
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