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News
Low Capacitance TVS Diode Arrays from Littelfuse Offer Economical Alternative to Semiconductor-Based Common Mode Filters
2016-08-02 | ReturnApplications for the SP814x Series include LCD/PDP TVs, external storage, DVD/Blue-Ray players, desktops/servers, notebooks/tablets, set-top boxes, mobile phones, flash memory cards, and digital cameras.
“The SP814x Series offers an economical alternative to semiconductor-based common-mode filters (CMFs), which although perceived to add value, they do not filter unwanted signals or noise fast enough, creating signal integrity problems,” said Tim Micun, product manager for TVS Diode Arrays. “For most high-speed interfaces, using such CMF devices means overspecifying and overspending on circuit protection. Because they have the same compact footprint as CMF devices, SP814x Series TVS Diode Arrays are an easy, low-cost option that doesn’t compromise ESD protection.”
SP814x Series TVS Diode Arrays offer these key benefits:
。Low capacitance (1.0pF typ. per I/O) minimizes signal degradation or attenuation for high-speed data, giving engineers more signal margin in their designs
。Low leakage current (25nA typ. at 5V) extends battery life and preserves signal integrity because excessive leakage can be seen as additive capacitance for a high-speed differential pair.
。Enhanced ESD capability (±22kV contact, ±22kV air) permits manufacturers to achieve ESD protection beyond the maximum level stated in the IEC standard and protects against a multitude of other threats to ensure product reliability in the field.
。Compact form factor (μDFN, JEDEC MO-229 packages) saves precious board space, simplifies the PCB layout, and enables protection in space-constrained applications like smartphones. The footprint is also the same as semiconductor-based CMFs, permitting through-package routing for ESD-only solutions.
Availability
The SP814x Series is provided in tape & reel format in quantities of 3,000. Sample requests can be placed through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit Littelfuse.com.
For More Information
Additional information is available on the SP814x Series product page.
Source:http://www.littelfuse.com/