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DEF-STAN 61-5 Issue 6 Part 6 Compliance Made Easy

Posted on 21-Feb-2017 12:03:00

In February 2009, the UK Ministry of Defence published issue 6 of Defence Standard 61-5 part 6 to cover 12 and 24V systems. This issue 6 version has a major change when compared to issue 5 which had been originally published in 1990. The main difference is to define how electrical equipment survives when subjected to the DIT08.B load dump. Load dump occurs when a heavily loaded electrical system exhibits a loose battery terminal, which can be caused by the shock of the military vehicle traversing over rough terrain and the resulting voltage transient presented onto the electrical system by the poor connection defined in the commercial vehicle standard ISO 7637-2.

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Tags: Defense

EN55032 Replaces EN55022

Posted on 02-Feb-2017 11:55:00

EN55032 is the new standard for EMC emissions replacing EN55022, the standard for ITE equipment, and two other EMC standards; EN55013 & EN55103 related to broadcast, audio, video & entertainment systems. The Date Of Withdrawal (DOW) for EN55022 is March 5th 2017.

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Tags: Industry Updates

3, 6 & 15 Watt medical DC/DC converters offer 2 x MOPP and patient leakage to 2 µA

Posted on 24-Jan-2017 11:50:00

The JHL & JHM series of encapsulated, isolated and regulated DC-DC converters for medical applications. Available with single and dual outputs, the 3 Watt JHL03, the 6 Watt JHL06 and the 15 Watt JHM15, are all packaged in industry-standard format cases. Their size is model dependant, ranging from an industry standard DIP-24 for the JHL03 and JHL06 through to 40.6 x 25.4 x 10.2 mm for the JHM15 series.

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Tags: DC-DC Converters

What to consider when designing in a high voltage power supply

Posted on 12-Dec-2016 12:02:00

In this video, Mike Doherty, Vice President, High Voltage Products and Gary Bocock, Technical Director, talk about designing in high voltage power supplies.


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Tags: High Voltage

Removing heat from sealed enclosures

Posted on 24-Nov-2016 15:23:21

Demand for power supplies that can withstand harsh environmental conditions does not only come from defense applications. Telecommunications base stations and infrastructure for the smart electricity grid of the future place steep demands on power supplies. These systems are subject to the extremes of temperature, dust and humidity.

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Tags: Thermal Management

Understanding Isolation Ratings in High Voltage Power Supplies

Posted on 25-Oct-2016 11:25:00

My 10 kV power supply has an isolation rating of only 3500V, why is that?”  This is a common initial reaction when reviewing the data sheet of a high voltage power supply.  This note intends to explain why.

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Tags: High Voltage

Smallest 400 Watt convection cooled power supply for medical and industrial applications

Posted on 04-Oct-2016 11:32:00

The CCL400 series of highly efficient convection cooled 400 Watt AC-DC power supplies have a typical efficiency up to 94% and a flat efficiency curve over virtually the entire load range & does not require any forced air cooling. With little heat generated due to the high efficiency, the components within the CCL400 run at lower temperatures, leading to increased reliability and service life.

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Tags: Reliability, Components

Benefits of proportional and regulated DC to high voltage DC converters

Posted on 22-Sep-2016 14:55:32

In this video, Mike Doherty, Vice President, High Voltage Products, describes the features and benefits of proportional and regulated DC to high voltage DC converters.


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Tags: High Voltage

Medical EMC; 4th Edition

Posted on 07-Sep-2016 12:00:00

Medical electrical equipment – Part 1-2: General requirements for basic safety and essential performance – Collateral Standard: Electromagnetic disturbances – Requirements and tests

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Tags: Industry Updates

Power Systems for Railway Applications

Posted on 18-Aug-2016 12:00:00

Rail applications demand that equipment is able to withstand the harsh climatic, mechanical and electrical environments encountered on traction vehicles and rolling stock. Electronic equipment, from lighting through passenger information and entertainment, to control, safety & engine management systems require DC/DC power conversion and must perform safely and reliably.

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Tags: Applications