Product News: Electrical Equipment & Systems, Electronic Components & Devices

TVS Diode Array protects differential data lines.

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Press Release Summary:

August 14, 2014 - Housed in 3.0 x 2.0 mm µDFN-10 package, Model SP2574NUTG protects differential data lines from ESD, CDE, EFT, and lightning-induced surge damage. Device can protect up to 4 channels or 2 differential pairs up to 40 A and 30 kV ESD. Low capacitance of 3.8 pF from each I/O to ground, low dynamic resistance of 0.13 Ω, and low clamping voltage make product suitable for protecting high-speed data interfaces, such as 1 GbE applications found in notebooks, switches, and servers.

Littelfuse, Inc.

800 E. Northwest Hwy., Des Plaines, IL, 60016, USA

Original Press Release

Low-Capacitance TVS Diode Array from Littelfuse Offers 15 Percent Lower Clamping Voltage than Alternative Technologies

Press release date: August 12, 2014

Protects differential data lines from ESD, CDE, EFT, and lightning-induced surge damage

CHICAGO, — Littelfuse, Inc., the global leader in circuit protection, has introduced the low-capacitance SP2574NUTG TVS Diode Array (SPA® Diode), designed to protect high-speed, differential data lines from damage due to ESD (electrostatic discharge), CDE (cable discharge events), EFT (electrical fast transients), and lightning-induced surges. The SP2574NUTG, which is part of the SP2574N Series of TVS Diode Arrays, can protect up to four channels or two differential pairs up to 40A (IEC61000-4-5) and 30kV ESD (IEC61000-4-2). Its low capacitance (just 3.8pF TYP from I/O to ground) and low clamping voltage (15 percent lower at 40A than other competitive solutions) make it ideal for protecting high-speed data interfaces, such as 1GbE applications found in notebooks, switches, servers, etc. It is also well-suited for use in WAN/LAN equipment, LVDS interfaces, integrated magnetics, and Smart TV applications.

“The SP2574NUTG helps design engineers protect state-of-the-art chipsets, such as Ethernet PHYs, from a variety of electrical threats that can lead to premature failure or soft errors,” said Chad Marak, director of the TVS Diode Arrays product line. “Its ‘flow-through’ design preserves signal integrity, reduces voltage overshoot, and simplifies PCB design.”

The SP2574NUTG TVS Diode Array offers these key benefits:
Robust surge and ESD protection gives design engineers the utmost confidence that their designs will meet or exceed all regulatory requirements associated with GR-1089, ITU, and YD/T telecommunications standards.
Extremely low dynamic resistance of 0.13Ω provides for a 15 percent lower clamping voltage at 40A than other competitive solutions.
Low capacitance of 3.8pF (TYP) from each I/O to ground preserves signal integrity for high-speed, differential pair applications such as 1GbE.
Low capacitance of 3.8pF (TYP) from each I/O to ground preserves signal integrity for high-speed, differential pair applications such as 1GbE.
Small (3.0 x 2.0mm) µDFN-10 package saves precious board space and allows designers to route the traces directly underneath the device without the need for stub traces that could cause impedance mismatches.

Availability
The SP2574NUTG TVS Diode Array is available in quantities of 3,000 in tape and reel packaging. 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 SP2574NUTG product page and data sheet. If you have technical questions, please contact: Chad Marak, Product Director, cmarak@littelfuse.com.

About Littelfuse
Founded in 1927, Littelfuse is the world leader in circuit protection with growing global platforms in power control and sensing. The company serves global customers in the electronics, automotive and industrial markets with technologies including fuses, semiconductors, polymers, ceramics, relays and sensors. Littelfuse has over 7,500 employees in more than 35 locations throughout the Americas, Europe and Asia. For more information, please visit the Littelfuse website: littelfuse.com.

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