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    YAGEO Adds X8 Flexible-Termination Automotive MLCCs for 150°C Designs

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    Current-Dependent Inductors: Using Non-Linear Inductance in Buck Converters and PFC Stages

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    Why Isolated DC/DC Power Supplies Fail Late, Würth Elektronik Podcast

    Designing 800 V DC EMC Filters: Calculation, Simulation and Measurement

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    YAGEO Adds X8 Flexible-Termination Automotive MLCCs for 150°C Designs

    Current-Dependent Inductors: Using Non-Linear Inductance in Buck Converters and PFC Stages

    Vishay Releases High-Power Thick Film Resistors for Compact Power Modules

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    Passive Components for Industrial Automation and Robotics (Dossier Report 08/26)

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    Current-Dependent Inductors: Using Non-Linear Inductance in Buck Converters and PFC Stages

    Current Sense Transformers: Ferrite vs Nanocrystalline Cores for Accurate Current Measurement

    EMC Design Fundamentals: Safe Use of Varistors and Common Mode Chokes in Mains and Data-Line Filters

    Ferrite versus Nanocrystalline Power Inductor Cores: Turns, Gap and Size

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Ohmcraft Designs Custom, Rugged Resistors for Downhole Drilling Petrotechnical Analysis

22.11.2018
Reading Time: 1 min read
A A
Russia. Khanty-Mansi Autonomous Okrug (KhMAO) in Western Siberia. The Salym Petroleum Development Company joint venture between Shell and the Russian oil company Evikhon (a subsidiary of Sibir Energy). Oil production on Upper Salym oilfield

Russia. Khanty-Mansi Autonomous Okrug (KhMAO) in Western Siberia. The Salym Petroleum Development Company joint venture between Shell and the Russian oil company Evikhon (a subsidiary of Sibir Energy). Oil production on Upper Salym oilfield

Source: EIN news

ROCHESTER, NEW YORK, UNITED STATES, November 21, 2018 – To be successful, the world’s oil companies must first know where to drill. These companies send teams to conduct exploratory drilling and analysis to determine whether a site is fit for oil mining. For more than 15 years, leaders in downhole drilling have turned to Ohmcraft to provide the custom, high-voltage resistors that are used in their petrotechnical analysis equipment.

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The process of geological and petrotechnical analysis enables oil companies to evaluate the composition of soil in order to determine the quality and quantity of the oil in the area. Because this equipment is used miles underground, it is critical that these precision resistors are able to withstand high-pressure, high-temperature environments. The resistors must also support an operating voltage of more than 150kV in order to perform this type of elemental analysis.

“When the downhole drilling companies first approached us, it was to solve a specific challenge,” said Eric Van Wormer, Vice President of the Ohmcraft division of Micropen Technologies. “Their petrotechnical analysis equipment required high-voltage, rugged, reliable, small-form-factor resistors—a combination they couldn’t find on the market. We were able to develop a custom resistor solution to meet their needs.”

Ohmcraft’s thick-film, surface mount resistors are engineered to meet application specific needs. Its technology utilizes the proprietary Micropen electronic printing system to “print” precise, narrow, serpentine lines with resistive ink on a ceramic substrate, producing higher performance resistors over a wider range of values on a smaller surface area than is possible with conventional film resistor technology.

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