Medical AC-DC Modules

XP Power, Singapore, has released a family of single-output, PCB-mounting AC-DC power modules with power ratings from 3 to 40 W that offer easy integration into BF (body floating) applications. The MCE family comprises four series (MCE03, MCE10, MCE20, and MCE40) offering 3, 10, 20, and 40 W of power. MCE modules can operate globally due to the universal input range of 80–264 VAC. There are seven models in each series (28 total) with a range of single outputs from 3.3 to 48 VDC. All units are specifically designed for medical applications and carry worldwide medical approvals such as IEC/EN 60601, EN 61000-4-x for EMC immunity and EN 55011 Class B (conducted and radiated) for EMC emissions. All units offer 2 x MOPP (Means of Patient Protection) isolation and Class II construction with no earth connection.

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3W DC-DC Converter

A 3W medical DC-DC converter in a compact DIP case is available from Micropower Direct, South Easton, MA. The ML200MRRI4 includes a versatile 2:1 universal AC input range, 1,500 VDC insulation and a wide operating temperature range. It is available with 30 standard models, single and dual configurations, and an industry-standard pin-out. Also offered is a 450 W medical AC-DC in a compact 5 × 3-in. package. The MPO-MS series features 2 x MOPP, EN50601 and EN62368 approval, and insulation for enhanced safety. It has a leakage current of less than 0.1mA.

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4 KJ Charging Capacitor

Advanced Energy Industries, Denver, CO, has released a 4 KJ capacitor charging unit with an integrated configurable 800 W AC-DC power supply designed to power medical laser applications. The Excelsys FC4000 is an integrated platform providing both high-voltage inputs for capacitor charging and low-voltage AC-DC conversion for system electronics like touch panels, pumps, and cooling elements. The unit enables faster charging at lower voltages for shorter treatment times, delivering up to 4 KJ with constant power over charge voltages from 250 to 1,000 VDC.

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Face and Plug Seal Kit

A face seal kit and a plug seal kit from Interpower, Oskaloosa, IA, have an ingress protection rating of 54 (IP54). The IP54 rating (solid particle ingress level 5, liquid ingress level 4) prevents corrosive dust and solid particles from reaching the terminals while preventing liquids from short circuiting the terminals. The face seal kit comes in two options: C14 screw-mount quick disconnect pit, part #83050000; and the solder tab kit, part #83050010. The kits include a made-to-fit, moisture-resistant polyurethane insert that seals between the base of the C14 inlet and the face of the C13 connector, held in place after tightening of the connector lock.

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