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Resistors
Keep a steady fixed or variable voltage to current ratio as measured in ohms.
- Pickering Interfaces Inc.
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PXI/PXIe High Density Precision Resistor Module
42-297A-025
The 40-297A-025 (PXI) and the 42-297A-025 (PXIe) are 9-channel programmable resistors with a range of 1.5 Ω to 13.6 kΩ. They are part of the 40/42-297A series of high density precision resistor modules and provide a simple solution for applications requiring accurate simulation of resistive sensors.
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Resistors
The project planning and production of resistor systems, for example in the form of load resistors, grounding resistors, but also filter and braking resistors and starting resistors, has a long tradition at JOVYATLAS.
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Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic offers a broad line of Resistors that include Chip Resistors, Power, High Power, Fuse, EMI Filters, and Arrays and Networks for all applications.Panasonic Resistors have a wide range of features and specifications including conventional Thick Film Chip Resistors or specialized types like Anti-Sulfur, 0201 to 0805 case sized Chip Resistor Arrays, three different types of Power Resistors, Surface Mount and Leaded EMI Filters and one of the smallest Chip Fuses in the industry.
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Resistors
A passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. High-power resistors that can dissipate many watts of electrical power as heat may be used as part of motor controls, in power distribution systems, or as test loads for generators. Fixed resistors have resistances that only change slightly with temperature, time or operating voltage. Variable resistors can be used to adjust circuit elements (such as a volume control or a lamp dimmer), or as sensing devices for heat, light, humidity, force, or chemical activity.
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Resistors
SemiGen builds high power tantalum nitride resistor chips to customer specifications. We can manufacture chip resistors using a variety of substrates in various thicknesses to meet your specific needs. Resistors can be produced with element features under 0.002 inch for high density or high value resistor applications. Low noise stable TCR and chip sizes under 0.010 inch x 0.020 inch are routinely processed in production quantities. SemiGen’s series of Thin Film Resistors offer proven stability, low noise, and excellent TCR of both Tantalum Nitride (TaN) and Nichrome (NiC) resistive films. From our standard product offering, to custom requirements, this series of resistors is offered in a large selection of chip size, resistance values, and tolerances.
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Resistors
*High Accuracy.*Low Temperature Coefficients.*High Immunity from Environmental Effects.*High Reliability -From 0.01 Ω to 10 MΩ.*By Spetcial orders Only.
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Chip Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic offers a wide range of Chip Resistors including conventional Thick Film Chip Resistors, Specialized Resistors such as Thin Film, Current Sense, Anti-Sulfur, Anti-Surge and Metal Film Chip Resistors.Panasonic’s standard Thick Film Chip Resistors are offered in cases sizes from 01005 to 2512.
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SMD/Chip Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic offers a wide range of SMD/Chip Resistors including conventional Thick Film and Precision Thick Chip Resistors as well as specialized Resistors such as Thin Film, Metal Film Chip, Current Sense and more.
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Power Resistors
Our company offers High Power Resistors and High Current Power Resistors. Power Resistors : rated up to 20000W ( 20KW ) and Current up to hundreds Ampere. Low Inductance & Precision Tolerance is available for most of the resistors listed below. Most of our Resistors can be shipped within 2~9 days worldwide and with Attractive Prices! For engineering tests and maintenance purpose small quantity orders, we accept credit cards and multi-national currency.
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Transit Resistors
Post Glover is North America’s foremost resource for traction and light rail resistors, used daily on high speed trains, locomotives, commuter rail and subway systems. Propulsion system manufacturers recognize our company as a reliable partner for the design and the production of resistors that meet their specific needs and technical requirements.
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Crowbar Resistors
Crowbar resistors are three phase resistance banks which are connected to the rotor windings of the DFIG (Doubly-Feed Induction Generator) such as wind power generator. They are used to prevent damage to the inverter circuits attached to rotor side when a fault occurs in the grid. DFIG power converter, which has a restricted over-current limit, needs special attention during faults in the grid. If the rotor current or DC link voltage reaches the threshold value, crowbar resistors disconnect the converter in order to prevent the generator turning into a squirrel cage induction machine. By crowbar resistors, the DFIG could stay connected to the grid and continue its operation.
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Standard Resistors
Measurements International Ltd.
Standard Air Resistors are small, light, and rugged resistance standards that do not require a temperature-controlled oil or air bath for their specification range.
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Sensing Resistors
Resistive Voltage Dividers
NGR Sensing Resistors are attached in parallel to the neutral grounding resistor. The sensing resistor allows a protective relay to detect a resistor failure in a continuous manner. Sensing Resistors are used in combination with neutral grounding resistor monitor relays. The relay measures neutral grounding resistance, neutral grounding resistor current and neutral to ground voltage. The relay continuously measures neutral grounding resistor ohmic value in an unfaulted system and it trips on if neutral grounding resistance varies from its calibrated value.
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Anti-Sulfur Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic offers a wide variety of Thick Film Current Sense Resistors (ERJ-B1, B2, xB, xBW, xCW) in a large range of case sizes and in wide terminal types for high solder joint reliability. The ERJ Series of Current Sense Resistors offers power ratings up to 2W with low ohmic ratings ranging from 5mΩ to 10Ω. Panasonic’s Thick Film Current Sense Resistor portfolio offers a more cost effective option with high reliability. Panasonic has a wide line of case size options ranging from 0402 to 2512 in conventional terminal and 0612 to 1020 for wide terminal.
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Resistors and Inductors
Panasonic Automotive & Industrial Systems Europe GmbH
Our wide line-up of various Resistor and Inductor technologies supports the needs of the major industries such as Automotive, Industry, Telecom, HA and Medical markets. SMD, THT and axial shapes are available to support engineer's requirements.
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Motor Control Resistors
Post Glover specializes in motor control resistors — the most popular use of our resistors — for severe duty applications. Our resistors make it possible to start and stop extremely powerful electric motors — such as those on cranes, compressors, and pumps — with safety and precision.
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Dynamic Braking Resistors
Being first a manufacturer of industrial power resistors, Post Glover has a vast array of Dynamic Braking Resistors to choose from. This allows us to offer the best possible technical and economic solution for your particular brake resistor application. We have worked with many OEMs and built a broad knowledge of their product specifications for dynamic brake resistors, so when you call in requesting a part, Post Glover can cross-reference the part number and quote the needed part.
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Neutral Grounding Resistors
NGR
Neutral Grounding Resistors (NGRs) are used to limit the fault current for safety of equipment and personnel in industrial systems.
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Current Limiting Resistors
Current Limiting Resistors are designed for limiting the flow of current to some predetermined value and are used mainly to to keep flowing current within certain intervals while controlling the circuit.
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Current Sense Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic offers a wide variety of Thick Film Current Sense Resistors (ERJ-B1, B2, xB, xBW, xCW) in a large range of case sizes and in wide terminal types for high solder joint reliability. The ERJ Series of Current Sense Resistors offers power ratings up to 2W with low ohmic ratings ranging from 5mΩ to 10Ω. Panasonic’s Thick Film Current Sense Resistor portfolio offers a more cost effective option with high reliability. Panasonic has a wide line of case size options ranging from 0402 to 2512 in conventional terminal and 0612 to 1020 for wide terminal.
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Motor Control Resistors
Although these types of motor and control system are in many cases being supplanted by AC variable speed drives, it remains the case that many new installations make use of traditional resistor-based motor control on grounds of cost, simplicity and reliability. Our expertise in application engineering means that Cressall can offer you a complete range of dedicated resistors for starting, braking and speed control that meet European, international and bespoke specifications
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Harmonic Filter Resistors
Post Glover designs, builds and tests their harmonic filter resistors in accordance with applicable IEC and IEEE standards to guarantee their performance. With no two installations ever being the same, our experienced engineers develop the proper solution for your particular application and environment. Our low inductance designs are built using all stainless steel elements in corrosion resistant enclosures chosen for your unique specification. Request a quote for your custom harmonic filter resistor.
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Dynamic Braking Resistors
Speed of three phase asynchronous squirrel-cage motors and three phase synchronous motors are generally controlled by motor drives where frequency of the drive output determines the motor speed, and it can be adjusted without dependence on the voltage magnitude.
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Harmonic Filter Resistors
The widespread use of nonlinear loads such as power electronics based equipment and electric arc & ladle melt furnaces all around the world hinder the quality of electric power. One of the most important parameters for defining the power quality is harmonic distortion.
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Precision Shunt Resistors
PBV, PBH
High power low resistance values and high precision. Low temperature coefficient. Excellent load life stability. Excellent short time over load. Ideal for current sensing applications.
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SH-Fm Shunt Resistors
SH-Fm
The interchangeable shunts are used to multiply the measuring range of current of measuring instruments.
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PCI Programmable Resistors
Part of our Sensor Simulation family, these PCI programmable resistor cards are ideal for medical, aerospace and automotive applications.
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Motor Starting & Control Resistors
Motor Starting Resistors are used to reduce the voltage at the motor terminals and also decrease the starting current. Motor Starting Resistors are necessary because the self resistance of a motor armature is very low. When the voltage is first applied, excessive current will flow. For limiting this current, since there will be no resisting back electromotive force (emf),some series resistance can be added to the armature windings.
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High Voltage Economical Resistors
HVE
The HVE series of high voltage economical resistors feature zero inductance, an excellent range of tolerances, wide resistance values and unparalleled high voltage handling.
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High Voltage Industrial Resistors
HVI
The HVI series of high voltage industrial resistors feature zero inductance, an excellent range of tolerances, wide resistance values and unparalleled high voltage handling.
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High Temperature Chip Resistors
ERJ-Hxx Series
Panasonic Industrial Devices Sales Company of America
Panasonic’s ERJ-Hxx Series Automotive Grade Thick Film Chip Resistors feature a maximum Category Temperature of 175°C and a maximum Rated Operating Temperature of 105°C. The ERJ-Hxx Series is AEC-Q200 compliant, ensuring strict quality control standards are in place to enforce optimal quality and reliability. The ERJ-Hxx Series Resistors offer a small size, higher power Resistor alternative that provides enhanced flexibility of PCB design by reducing solder-joint crack risk. This series is ideal for use in automotive, ICT, general industrial applications, and more.
