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Resistors - Import export

Germany

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Precision resistors are used wherever the highest standards of temperature stability, error tolerance and durability are required. Models 1164 and 1166 are available for higher loads up to 1 W. The resistors are supplied with two connections on the front end (suitable for mounting on circuit boards). The precision resistors comprise low-capacitance, low-inductance wire coils made of MANGANIN®, which are encapsulated in small plastic cylinder housings. Prior to trimming, the resistance bodies are exposed to a meticulous artificial aging procedure. This special process and trimming to approximately half of the nominal tolerance guarantee long-term stability of < 0.02% over the course of years. FEATURES: — TC ≤ 10 ppm/K —Class ± 0.02 % or ± 0.05 % —Production range from 5 Ω ... 100 kΩ —Resistance material MANGANIN® —Custom resistance values available on request —Minimum order per resistance value 10 pcs

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Germany

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Today resistance thermometers are one of the important precision and operating measurement instruments of technical temperature measurement. Fast and easy testing of display, control and recording devices in measurement and process engineering is essential. Fixed temperature values can easily be simulated according to the characteristic curves of Pt100, Pt500 and Pt1000 using the precision resistors calibrated in °C (the inscription also includes the resistance value in Ω). The small dimensions of the resistors allow the installation in measuring instruments or measuring circuits for comparison or control measurements. Features: — TK ≤ 10 ppm/K — More than 60 fixed temperature values from -200 °C ... +800 °C ex stock — Calibration in acc. with DIN EN 60751 n - 0.02 % tolerance for the models 1144-Pt 100, 1144-Pt 500 and 1144-Pt 1000 — ± 0.05 % tolerance for model 1146-Pt100 — Resistance material MANGANIN®

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Germany

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In connection with very precise digital voltmeters the model 1282 resistors are used as measuring resistors for accurate registration of direct and alternating currents up to 200 A. The compact construction supports universal application. The exceptional low temperature coefficient extends the scope of application a second time. A typical application is the wide range of quality and reliability testing. Regular measurements give a reliable information of the quality level of parts, instruments and systems. Technologies already approved with our precision and calibration resistors - which especially guarantee a secure conduction of the dissipation heat - have been transferred to the precision high capacity resistors. Features: — Temperature coefficient ≤ 10 ppm/K — Nominal load 20 W — Ranges 1 mΩ ... 100 mΩ — Four-terminal measurement principle — Accuracy 0.02 % — For technical frequency 50 Hz

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Germany

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CSN® Braking Resistors are used for controlled braking of every kind of electrical drives. Braking resistors convert the energy of drives into thermal energy which will be dissipated into the corresponding cooling medium. Design variations with natural or forced air cooling are available. CSN® Braking Resistors can be delivered with an indirect water cooling system using an airwater heat exchanger as well. The design of the CSN® Braking Resistors is particularly suitable for use in maritime applications. Schniewindt, as global market leader in this resistor sector, has a wealth of experience in the design according to the technical guidelines and rules of international classification societies for example

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Germany

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The 0.02 class calibration resistors excel in their modern design and small mechanical dimensions. Their ruggedness also ensures a long life. Calibration resistors of the 1240 series are used wherever very constant operating standards are required. Typical main areas of application therefore include: — When normal resistors prove to be too large scale — For test and calibration of resistance measurement devices — For tests on electrical temperature measuring equipment — For laboratory setup of a Wheatstone bridge — As shunt resistor for accurate current measurement — As part of standard equipment in research laboratories — For a large part of measurements in calibration laboratory. Features: — Range 10 μΩ ... 100 kΩ — Low capacitance and low inductance design — Suitable for direct current and technical frequencies — High stability < ± 0.01 % over years

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Hong Kong

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The AZ10/100LVEL16VS is a differential receiver with variable output swing. The LVEL16VS has functionality and output transition times similar to the EL16, with an input that controls the amplitude of the Q/Q¯ outputs. FEATURES • 250ps Propagation Delay • High Bandwidth Output Transitions • Operating Range of 3.0V to 5.5V • Internal Input Pulldown Resistors • Functionally Equivalent to ON Semiconductor MC10EL16, MC100EL16 & MC100LVEL16 • Variable Output Swing

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Japan

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GENERAL DEVICES Chip resistors Chip resistor networks ESD protection devices(ESD varistor) AUTOMOTIVE DEVICES IATF16949 Certified Chip thermistors High mechanical strength using thick film technology, Short lead time supply High reputation in many fields CHIP RESISTOR/CHIP THERMISTOR ARRANGEMENT Chip resistor JAXA Qualification 2007 Chip thermistor JAXA Qualification 2010 Thermistor with lead wire JAXA Qualification 2011 Surface mount type fuse JAXA Qualification 2013 Lead type thermistor JAXA Qualification 2016 Used for electronic equipment installed in satellites, space stations, rockets, transfer vehicles

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Italy

OPERATING TEMPERATURE: MAX 1200°C Standard power, size and shape or as indicated by the customer. Stainless steel casing. Room insulation with technical material REFRACTORY and FIBROCERAMIC. Heating by resistive filament* on ceramic supports.

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Italy

OPERATING TEMPERATURE: MAX 750°C SCREW PLUG that can be in IRON, INOX BRASS. Diameters and threads as requested by the customer. Armored heating elements with stainless steel pipe*. Max lenght cad. element up to 8,00 m. Resistive internal filament*** insulated with MAGNESIUM OXIDE of first choice.

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Italy

OPERATING TEMPERATURE: MAX 700°C Standard power, size and shape or as indicated by the customer. Stainless steel casing. Room insulation with technical material REFRACTORY and FIBROCERAMIC. Extractable heaters, mounted on a flange, consisting of armoured heating elements with stainless steel tube. Max lenght cad. element up to 8,00 m. Resistive internal filament* insulated with first choice MAGNESIUM OXIDE.

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Italy

OPERATING TEMPERATURE: MAX 200° C Standard power, size and shape or as indicated by the customer. PANEL TYPE: resistive inner filament* insulated with PTFE tube (Teflon) on anti-acid MOPLEN support. TUBOLAR TYPE: resistive inner filament* on CERAMIC-FIBRE support, insulated with BOROSILICATE (Pyrex) anti-acid tube.

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Italy

Standard power, size and shape or as indicated by the customer. Stainless steel casing. TYPE CERAMIC FIBRE: WORKING TEMPERATURE: MAX 850°C Armour in stainless steel or ALUSI sheets Internal insulation in ceramic fibre. Resistive wire* internal insulating TYPE MICANITE: WORKING TEMPERATURE: MAX 280°C Armour in stainless steel or ALUSI sheets Internal insulation in micanite Resistive wire* internal insulating ARMOURED TYPE: WORKING TEMPERATURE: MAX 700°C Armour in stainless steel Heater*, consisting of a ARMOURED heating element with stainless steel tube. Element development up to 8.00 m. Resistive internal filament* insulated with first choice MAGNESIUM OXIDE.

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Italy

OPERATING TEMPERATURE: MAX 1200°C Resistive filament* of first choice.

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Italy

OPERATING TEMPERATURE: MAX 750°C FLANGE fastening that can be in IRON and STAINLESS STEEL. Size and shape standard or as indicated by the customer. BOXES – HEADS for electrical connections customizable in terms of shape and materials size. (INOX, IRON, ALUMINIUM and PLASTIC also customizable with company logos). PROTECTION: IP40, IP65. Armored heating elements with stainless steel pipe*. Max lenght cad. element up to 8,00 m. Resistive internal filament** insulated with MAGNESIUM OXIDE of first choice.

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Italy

OPERATING TEMPERATURE: MAX 750°C Armored heating elements with stainless steel tube*. Max lenght cad. element up to 8,00 m. Resistive* insulated inner filament with MAGNESIUM OXIDE of first choice.

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Italy

OPERATING TEMPERATURE: MAX 750°C Armored heating elements with stainless steel pipe*. Max lenght cad. element up to 8,00 m. Resistive internal filament** insulated with MAGNESIUM OXIDE of first choice. https://www.crcprogetti.it/en/prodotto/armored-resistance/

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France

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Germany

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CSN® Dummy Load Resistors used as dummy loads for testing high frequency radio transmitter systems. Schniewindt had already supplied dummy load resistors with rated max. cont. power up to 1500 kW. CSN® Dummy Load Resistors are designed and manufactured individually to customer requirements and specific application.

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Germany

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CSN® PreInsertion Resistors are used for limitation of transients during energisation process of transformers and HVDC VSC converter applications. CSN® Discharge Resistors are used for discharge of Capacitors, reactors and superconducting magnetic field coils. They are characterized by a high dielectric strength and energy absorption capacity. CSN® PreInsertion or Discharge Resistors are designed and manufactured individually to customer requirements and specific application.

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Germany

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CSN® Neutral Earthing Resistors are used in power distribution systems for star point earthing of transformer or generator windings. According to the application (low or high ohmic neutral earthing type) pakkages made out of meander shaped stainless steel wire elements or CSN® Resistor Webs will be used as active material. Schniewindt has already supplied units for system voltages up to 380 kV and earth fault currents up to 70 kA. CSN® Neutral Earthing Resistors provide optimal solutions for your applications high or low resistance values outdoor or indoor operation reliable, nearly maintenancefree technology compact design with high power density reliable performance at all system voltages Every single CSN® Neutral Earthing Resistor is manufactured according to individual customer requirements.

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Germany

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CSN® Load, Testing and Special Resistors are used to test generators and emergency generating sets to test battery capacity as dummy load when testing circuit breakers to discharge capacitors for starting, controlling and breaking of electric drives CSN® Load, Testing and Special Resistors are characterized by technically mature and proven design for operations both indoors and outdoors optimal design to suit all current values and load cycles reliable control of all operating voltages even in most adverse service environments longterm stability highly reliable technology CSN® Load, Testing and Special Resistors are designed and manufactured individually to customer requirements and specific application.

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Germany

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For the majority of the CSN® Filter and Damping Resistors the design is based on CSN® Resistor Webs. The resistor units provide operation at high continuous power, excellence voltage strength and low inductivity while needing only little space. CSN® Filter Resistors are used in HVDC applications as well as in reactive power compensation applications (like SVC, MSCDN, STATCOM) all over the world and have proven their reliability – even under harsh environmental conditions – for long time periods. CSN® Damping Resistors are most often used for buildingup RCcircuits in industrial plants as well as for damping of magnetic cores and reactors. The CSN® Filter and Damping Resistors are characterized by proven design for both, indoor and outdoor applications excellent high voltage strength high specific load due to very good convection conditions low inductance and capacity longterm stability low weight nearly unlimited adaptability to specified applications

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Germany

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CSN® Protection Resistors are used for protection of electric equipment in case of shortterm peak currents. Due to the high capacity of energy absorption, CSN® Protection Resistors can absorb several kiloamperes for a limited period of time, protecting connected modules.

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Germany

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A drive motor can also act as a generator. If the drive system is built so as to allow reverse power to flow then this power can be fed into a resistor, thus taking energy out of the system and causing whatever is driving the motor to slow down. Following to this the braking resistor converts the stop energy into heat. Electrical drive systems are being used more and more on ships, oil rigs, crane barges and offshore vessels of all types. An important benefit from using an electric drive is that reliable systems of regenerative and dynamic braking resistors are available to complement or replace traditional mechanical braking systems. The advantages of electric braking include control, reliability, mechanical simplicity, weight saving and in some cases the opportunity to make use of the regenerated braking energy. The Braking Resistor Units from Klöpper Therm are designed according to specific applications.

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Germany

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Temperature is one of the most measured physical parameters. Despite this, precise temperature measurement is one of the most difficult tasks in motor technology. To meet the constantly increasing requirements for improved motor performance, higher efficiency and reduced emissions, it is necessary to use reliable and precise sensors in modern motor control systems. The increased requirements over the last few years regarding measurement accuracy and reliability of temperature measurements has meant that many equipment operators must reconsider the suitability and performance capacity of their temperature measurement equipment. Resistant thermometers can be used between -200 °C and +850 °C. An important common property is that their output parameters are available in the form of electric signals that can be relatively easily transferred to measurement and control instruments for processing, storage and display.

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Germany

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Four-pole measurement at minimum space: coaxial contact probes with inner conductor as sense pin, from smallest pitches up to highest currents.

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United Kingdom

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We have over 10 Million Lines of Components in our Supply. Contact me on liamm@merefields.com

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United Kingdom

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We have over 10 Million Lines of Components in our Supply. We Supply the FULL Range of Bourns Components Contact me on liamm@merefields.com

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United States

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Evanohm® R is a unique resistance alloy with high electrical resistivity and very low temperature coefficient of resistivity (TCR). The alloy is produced by melting and conditioning practices which result in a low level of pinholes at ultra-thin thicknesses. This combination of attributes with inherent corrosion resistance makes it suitable for a variety of strain gauge, foil heaters and airbag igniters. The alloy is supplied with 90% cold reduction which has a positive TCR of about 70 PPM/ºC. A stabilizing heat treatment (approximately 475ºC) during manufacture of finished parts adjusts the TCR to a desired value. The heat treatment virtually eliminates any drift tendency of the resistivity. A heat-treat curve for each melt is developed at Hamilton and is made available as a guide in regulating TCR. Sizes Evanohm® R is available from Hamilton Precision Metals as foil and strip product in thicknesses from 0.0005” to 0.010” (0.0127 mm to 0.254 mm) and in widths up to 12.0”

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