Protect Electronic Devices Via Low Clamping Voltage and Leakage Current

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The diode arrays provide high electrostatic discharge protection for consumer electronic equipment, resulting in longer operating life

With the launch of the SP1250-01ETG 50 A unidirectional TVS diode arrays, superior protection via lower clamping voltage and low leakage current is available – all in a PCB space-saving footprint.

The SP1250 discrete unidirectional TVS diode array is fabricated in a proprietary silicon avalanche technology. These diode arrays provide high electrostatic discharge (ESD) protection for consumer electronic equipment. The SP1250 safely absorbs repetitive ESD strikes of ±30 kV (contact and air discharge as defined in IEC 61000-4-2) without any performance degradation. Each device can dissipate up to 50 A 8/20 μs surge event.

The SP1250-01ETG series TVS diode arrays offer these key benefits:

⦁ Robust protection against electrical threats due to its high surge capability (50 A, tP=8/20 μs) and low clamping performance (8.7V; TYP, Ipp=50 A).
⦁ Extended operating life resulting from low leakage current, 0.02 μA (TYP) at 5 V.
⦁ Easy mounting in small PCB spaces with a compact SOD-882 DFN package (0402 footprint).
⦁ Highly reliable performance as an AEC-Q101 qualified solution.

Typical applications for the SP1250-01ETG include:

⦁ Consumer electronics – desktops, servers, and notebooks
⦁ Computer peripherals
⦁ Medical equipment
⦁ Point-of-Sale (POS) terminals
⦁ Test equipment / instrumentation
⦁ Portable battery

“Incorporating the SP1250 in your consumer electronics design provides ultra-strong ESD suppression and excellent surge protection for the product’s power lines, even in harsh environments,” said Jia Zhu, Product Manager, TVS Diode Arrays (SPA Diodes). “This design choice will result in both high reliability and longer operating life for end-users.”

The SP1250-01ETG series is provided in tape and reel format. Sample requests can be placed through authorised Littelfuse distributors worldwide.


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