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Microhm's  Korea Visit to Doosan Robotics and Gyeonggi Technopark

Microhm's Korea Visit to Doosan Robotics and Gyeonggi Technopark

After yesterdays activities of attending Greater Bay Area Technology Seminar, networking luncheon, business matching meetings, Munjeong-dong Raemian Gallery and Ground X Corp visit, today the delegate continue Koreas agenda. At 10 to 11 A.M., the mission visit Doosan Robotics which is part of the Doosan Group and a major global player in the design, development and delivery of advanced collaborative robot systems and solutions to manufatures. It enables smart factories by developing and manufacturing cobots that are capable o...

Date:2019-07-12      [More+]
Microhm Achieved Great Success in electronica Shanghai, 2019

Microhm Achieved Great Success in electronica Shanghai, 2019

electronica China, lasting for three days, ringed down the curtain on Mar.22,2019 successfully. Microhm prepared elaborately and exhibited full range of resistors in the site. Customers from all over the world visited Microhm E5 - 5606, consulted resistors and experienced. Our staffs introductions of the features, applications and merits were brief and to the point. Customers not only stayed for a time in front of the reception to learn more about products, but also streamed into Microhms booth to have a close look of the mat...

Date:2019-03-25      [More+]
Metal film Resistors from Microhm Electronics are Ideal for Harsh Environments

Metal film Resistors from Microhm Electronics are Ideal for Harsh Environments

Precision metal film MELF resistors HPMRY provides a combination of high precision and tolerance to surge conditions, the resistors are ideal for measuring supply line voltage levels in energy metering and power condition monitoring. The HPMRY74M and HPMRY16M are rated at 0.4 and 1W respectively. The former specifies a maximum 5 second overload voltage of 400V and the latter, 700V. Standard values from 10R to 1M0 are available in E24 and E96 ranges, giving plenty of scope for close value match choice to designers. A wide ambi...

Date:2019-10-22      [More+]
Power Resistors for Automotive Use

Power Resistors for Automotive Use

Wirewound power resistors are usually rated with respect to continuous power, which can be insufficient for e-mobility applications. A typical application is the pre- and discharge of large capacitors, often referred to as soft start. In this case the pulse-handling capability of the resistor is also very important. This capability can be determined over a large range of pulse durations by combining theoretical basics with finite element simulations of the respective thermal performance. The results can be generalized so that...

Date:2019-10-22      [More+]
Wirewound Resistors for Circuit

Wirewound Resistors for Circuit

Wirewound resistors can be as good as 0.005% with their initial tolerance, with a TCR (temperature coefficient of resistance) as low as 5 ppm/C typical but usually about 15 to 25 ppm/C. Thermal noise is low and tracking to 2 ppm/C over a limited temperature range is possible, though it adds considerable cost. Microhm Electronicss KSW precision resistor has a tolarance 0.005% and 5 ppm /C. There are certain important manufacturing factors that affect wirewound resistor properties. For example, the wire is wound under tension...

Date:2019-10-21      [More+]
Precision Resistors' Role in Analog Circuits of Seismic Instruments

Precision Resistors' Role in Analog Circuits of Seismic Instruments

Seismographic systems - the most widely used method in exploring for oil and gas and detecting earthquakes and tsunamis - utilize a surface shock energy source such as explosives, weight dropping, or gas guns to introduce a wave front into the earth. The effect is similar to creating a small, controlled earthquake. The digital seismic equipment that amplifies and records reflected seismic signals on a wideband receiver and tape drive in the field utilizes matched and discrete surface-mount foil resistors. MPR series, NMS4527,...

Date:2019-10-21      [More+]
Sensing Elements for Current Measurements

Sensing Elements for Current Measurements

There are many choices of sensing elements to measure current to a load. The choices of current sensing elements, such as reistors, can be sorted by applications as well as the magnitude of the current measured. Shunt resistors are the most versatile and cost effective means to measure current. A shunt resistor cost ranges from a few pennies to several dollars. A shunt resistors price is differentiated by value, temperature coefficient, power rating and size. Shunt resistors commonly increase in cost for lower temperature coe...

Date:2019-10-18      [More+]
Resistor Networks in Critical Applications

Resistor Networks in Critical Applications

From instrument amplifiers to precision analog circuits to geophones, resistor networks, such as Microhm Electronics LSP series, are used in a variety of applications. Each has its own unique requirements, but none more stringent than the high-reliability applications found in medical and aerospace industries. In ultrasound equipment, for example, circuits require tight resistor tolerances and excellent tracking. Plane flight controllers or calculators demand precision resistors, while also requiring that components meet tigh...

Date:2019-10-18      [More+]
New Ultra Low Ohmic Shunt Resistors MMS2512 for Automotive Systems and Industrial Equipment

New Ultra Low Ohmic Shunt Resistors MMS2512 for Automotive Systems and Industrial Equipment

Microhm Electronics developed a more compact version of its highly regarded MMS2512 of high power ultra-low-ohmic shunt resistors for current detection in automotive and industrial applications.As its compact, high power design contributes to improved performance in high power applications. Shunt resistors are widely used in the automotive and industrial markets to detect current in high power sets. In the automotive field, the shift towards computerization and electro-mechanical systems resulting from the need to provide gre...

Date:2019-10-17      [More+]
How to Increase the Power or Voltage Handling of Resistor Modules

How to Increase the Power or Voltage Handling of Resistor Modules

All variable resistor modules include a specification for a their maximum power or current. The limitation maybe imposed by the switch rating, the voltage rating or the power rating of the resistors used in the design. Microhm Electronics not only provide variable resistor but also manufacture various fixed resistors. The issue can be complicated because if for example the resistor is supplied with a constant current the power dissipated will vary, and the situation will be different if a constant voltage is applied. In parti...

Date:2019-10-17      [More+]
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