Resistors
Keep a steady fixed or variable voltage to current ratio as measured in ohms.
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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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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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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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Hipot Current Calibration Load Resistors
HPRS-HIPOT-LOAD
The IET HPRS-Hipot-Load is an excellent replacement for the Fluke 5320A-Load Hipot current calibration load resistors. The IET high power resistive load can be used with the Fluke 5320A Multifunction Electrical Tester Calibrator or standalone. It provides a high power and high voltage load to various hipot tester to create the leakage current needed to calibrate various manufactures hipot testers.
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Resistors
High-voltage resistors are used for office equipment and home appliances such as printers, copying machines and air conditioners.
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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 Sensing Resistors: ACQ-200
TCS
These components are four-terminal. bus-bar, metal strip current shunts. Assembled using electron beam welding. These units can handle 15W of continuous power and a maximum current of 350A 90.1mohm). Also they can absorb a high pulse power rating and have very low inductance. They also feature excellent long term stability, less than 100ppm/C TCR, and have excellent frequency characteristics.
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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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Thin Film/Metal Film Chip SMD Chip Resistors
Panasonic Industrial Devices Sales Company of America
Panasonic’s industry leading Thin-Film Chip Resistors features include high reliability at high temperature and high humidity as well as high accuracy, low current noise and excellent linearity. Panasonic’s High Precision Thin Film Resistors are designed for robust applications where long life is crucial in markets such as automotive, appliance or industrial. These Resistors boast a high accuracy of up to 10ppm, 0.05% making them one of the best-in-class Resistors on the market today. Panasonic Thin-Film Resistors are available in case sizes down to 0201. Compliant standards include: IEC 60115-8, JIS C 5201-8, and EIAJ RC-2133B. These Resistors are AEC-Q200 Certified.
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Precision Shunt Chip Resistors
SMV
*5W permanent power at 65C*High pulse power rating*Mounting: Reflow and wave-soldering
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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.
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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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Anti-Surge High Power Thick Film Chip Resistors
Panasonic Industrial Devices Sales Company of America
Anti-Surge High Power Thick Film Chip Resistors by Panasonic
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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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Chip Shunt Resistors: ACQ-200
ECS
These models have high conductive heavy copper connectors, excellent long term stability and low inductance. Maximum soldering temperatures is up to 350C 30 sec.
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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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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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PXI Resistor Module Dual 12-Channel (no resistors fitted)
40-281-021
The 40-282 is a potential divider with up 24 separate channels. This can be used to emulate potentiometer devices, each channel having a fixed R1 R2 ratio. Additionally, the centre point can be shorted to either of the potentiometer end points.
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Precision High Current Resistors/Shunts
Measurements International Ltd.
The precision high current shunts are a series of High Current Resistors ranging from 1 A to 3000 A with optional air moving fans and resistance values from ohms to micro-ohm.
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High Power Current Sensing Resistors, Wide Terminal Type
Panasonic Industrial Devices Sales Company of America
An AEC-Q200 Compliant SeriesPanasonic components specified as AEC-Q200 Compliant are consistently designed into automotive systems. However, today’s Design Engineers are specifying AEC-Q200 components to meet the high-quality standards of devices beyond automotive applications.
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Variable Resistors/Potentiometers
When a design calls for a variable resistance, CTS can supply a solution in the form of a wide variety of rotary and slide-action variable resistors / potentiometers.
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High Power Shunt Resistors
CS227
The CS227 is a metal foil, SOT227 resistor designed to give a high current capability. The metal foil element is situated on an insulated heatsink composed of plated copper. This assembly is then mounted into a durable plastic housing and sealed with high temperature epoxy.
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Thin Film Current Sensing Chip Resistors
CSTN
*Thin film process*High power rating up to 3 watts in 2512 size*Resistance values from 50m to 1ohm*High purity alumina substrate for high power dissipation*Power management applications*Switching power supply*Over current protection in audio applications*Voltage regulation module (VRM)*DC-DC converter, battery pack, charger, adaptor,*Automatic engine control*Disk drive
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Anti-Sulfurated Thick Film Type Resistors, Precision Type
ERJ-U2R/ERJ-U3R/ERJ-U6R Series
Panasonic Industrial Devices Sales Company of America
High Precision And High Resistance To Sulfurization In One Resistor!Panasonic's ERJ-U2R, ERJ-U3R, ERJ-U6R (ERJ-U*R Series) offers high precision and also provides anti-sulfurization characteristics that avoid an open circuit caused by a sulfide disconnection. High resistance to sulfurization is achieved through the use of an anti-sulfurated electrode structure and material in the manufacture of ERJ-U*R Series Resistors. AEC-Q200 Compliance and IEC 60115-8, JIS C 5201-8 and JEITA RC-2134C Reference Standards for the entire ERJ-U*R Series of High Precision, Thick Film Chip Resistors from Panasonic ensures optimal quality and reliability.
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NI TB-2640B Terminal Block for NI 2532B as 1-Wire 4x128 Matrix Topology With Column Protection Resistors
782385-02
The TB-2640B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 1-wire 4x128 matrix. You can directly connect the TB-2640B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2640B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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NI TB-2642B Terminal Block for NI 2532B as 1-Wire 16x32 Matrix topology With Column Protection Resistors
782385-06
The TB-2642B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 1-wire 8x64 matrix. You can directly connect the TB-2642B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2642B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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PXI Resistor Module 48-Channel (no resistors fitted)
40-280-121
The 40-282 is a potential divider with up 24 separate channels. This can be used to emulate potentiometer devices, each channel having a fixed R1 R2 ratio. Additionally, the centre point can be shorted to either of the potentiometer end points.
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NI TB-2644B Terminal Block for NI 2532B as 1-Wire Dual 8x32 Matrix or 2-Wire 8×32 Matrix topology With Column Protection Resistors
782385-10
The TB-2644B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 8x32 or 1-wire dual 8x32 matrix. You can directly connect the TB-2644B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2644B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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NI TB-2641B Terminal Block for NI 2532B as 1-Wire 8x64 Matrix Topology Without Column Protection Resistors
782385-03
The TB-2641B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 4x128 matrix. You can directly connect the TB-2641B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2641B also provides optional isolation resistors to protect the reed relays from capacitive loads.
