Littelfuse TVS Diode Arrays Safeguard Consumer Electronics with 50 A High Surge Resistance

2020-11-07 Littelfuse
TVS Diode Arrays,SP1250,SP1250-01ETG,TVS diode array

CHICAGO, October 6, 2020 — Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control and sensing, today announced a new series of 50 A unidirectional TVS Diode Arrays (SPA® Diodes). Compared to solutions currently available on the market, the SP1250-01ETG 50 A unidirectional TVS diode arrays provide superior protection via lower clamping voltage and low leakage current, all in a PCB space-saving footprint.


Typical markets and 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


The SP1250 discrete unidirectional TVS diode array is fabricated in a proprietary silicon avalanche technology. These diode arrays provide high ESD (electrostatic discharge) 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.


"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 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.

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