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EN61000-4-4 & EN61000-4-5 Dissected: A Surge-ival Guide

Continuing our look at the EN61000 series of immunity standards, this month we’re going to give you 2 for the price of one. Both EN61000-4-4 & EN61000-4-5 are related to surges and transients we see in everyday activity and can have a big effect on the performance of electronic systems.

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Laser-Focused Power Supply Design Advice

Specialist Laser-focused Power Supply Advice is available from Relec Electronics for DC Power requirements for semiconductor lasers. Semiconductor lasers, i.e., diode lasers require a reliable and stable source of dc power.

A small change in “V” can lead to a large change in “I” which affects the quality of the light output.

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Step Outside With The IP68 rated ABS601 PSU Series

The ABS601 Series power supplies are fully encapsulated and can be used in operating environments where the elimination of acoustic noise and dust disturbance is required. Typical applications are telecom, datacom, broadcast equipment, video wall display and solid state lighting. In the industrial market, the ABS601 Series can be used in process control and automation.

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TET2200 Series Titanium Efficiency Power Supplies

Bel Power Solutions has released the TET2200 Series, 2200 W power supplies that bring Titanium level efficiency to servers, storage, and networking equipment. With AC-DC power-factor-corrected (PFC) and high voltage DC-input variants, TET2200 Series power supplies provide a main output of 12 VDC for powering intermediate bus architectures (IBA).

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