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Author Archives: Joe Petrie

Barth release 50kV attenuator with <100ps rise time

US firm Barth electronics have released an ultra-wideband high voltage attenuator designed for measurement of signal rise times below 100ps.  The 2240-BENFP attenuator covers DC to 7GHz. The input connector is the new high voltage/high speed Barth 454 connector.  The … Continue reading

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Astrol announce 1500V solid state DC breakers up to 5kA

High power switch manufacturer Astrol Electronic has developed a new series of DC breakers with up to 1500V DC voltage capability. The liquid cooled units allow bi-directional current flow and can be used in high or low side power switching. Current … Continue reading

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New LEM 2000A current transducer with integrated DSP

LEM IN2000 current transducer

LEM have announced a 2000A closed loop current transducer which uses a new approach to ripple cancellation at the fluxgate drive frequency.  Reduced ripple means an increased resolution and a higher signal to noise ratio than previous generations of current … Continue reading

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New AgileSwitch SiC gate driver optimised for 62mm modules

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Best DC link capacitor in the world? Power Ring from SBE

Power-ring-capacitor spray-end-diagram

How good is a Power Ring capacitor? The Power Ring design results in lower losses, lower inductance and a higher ripple current rating than traditional film capacitor technology. The ring shape provides extremely low internal losses (ESR) and dramatically lowers the inductive … Continue reading

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ESP high pulse load resistor

ESP-resistors-4-3-thumbnail

Compact solution for high power pulsed applications ESP resistors from EBG provide a highly compact solution for high power, pulsed, low frequency applications such as: Inrush current limiting Capacitor pre-charge and discharge Motor control units Power supplies, Battery charging systems … Continue reading

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LeClanché equivalents to obsolete Epcos MKV (B25835) caps

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New 300W HV DC-DC converter modules

The PH-A280 series of high voltage input DC-DC converters from TDK-Lambda are now available with 300W output. The DC-DC power modules have a range of 200 to 425Vdc, and are suitable for use in applications using a 380V DC bus … Continue reading

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Why use nanocrystalline magnetic material?

Nanocrystalline image

Comparison of magnetic materials Feature image in homepage newsreel is by Kapsid_Schema-01.jpg: Gleiberg derivative work: Hic et nunc – derived from  Kapsid Schema-01.jpg: , CC BY-SA 2.0 de, Link

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Single pin HV connectors now prefabricated with 30kV cable assembly

GES high voltage connector S series news image
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