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TVS arrays designed for circuit protection in devices

21 Nov 2013

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ProTek Devices has launched its GBLCxxCDN series of TVS arrays, which consists of five ultra-low capacitance (3pF typical) and low leakage current TVS arrays. The company says the arrays protect against electrostatic discharge, surge, and other over-voltage destructive occurrences in smartphones and other portable devices. They are available in a bidirectional configuration. The GBLCxxCDN series also helps address concerns relating to insertion loss and signal integrity.

ProTek Devices' GBLCxxCDN series is rated at 350watts for an 8/20 micro amps waveshape. The series is compatible with IEC standard 61000-4-2 for electrostatic discharge (ESD): air—15kV, contact—8kV. It exceeds level 4 of the standard by handling a 25kV air discharge and 10kV contact. It's also compatible with IEC standards 61000-4-4 for electrical fast transients (EFT): 40A—5/50ns, and 61000-4-5 (surge).

As an ideal replacement for multi-layer varistors (MLV 0805), the TVS arrays are designed to protect one power or I/O port. The GBLCxxCDN series provides ESD protection of > 25kV, a low clamping voltage, and RoHS and REACH compliance. The five devices—and their rated stand-off voltages—that make up the series are: the GBLC05CDN at 5.0V; the GBLC08CDN at 8.0V; the GBLC12CDN at 12.0V; the GBLC15CDN at 15.0V; and the GBLC24CDN at 24.0V.

The TVS arrays are provided in a moulded JEDEC DFN-2 package with an approximate weight of 0.8 milligrams. The package features lead-free pure-tin plating (annealed). The series has a flammability rating of UL 94V-0.

ProTek Devices' GBLCxxCDN series is now available in mass quantities and is offered in 8mm tape and reel, per EIA standard 481. Pricing ranges from $0.16 in quantities around 10,000 units.

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