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Resistors are electrical components that oppose the flow of either direct or alternating current. They are used to protect, operate, or control circuits
Resistors and potentiometers are passive electronic components that oppose the flow of either alternating current (AC) or direct current (DC). 
Search by Specification | Learn MorePhotoconductive cells are light-sensitive resistors, in which resistance decreases with an increase in light intensity when illuminated
Search by Specification | Learn MoreCurrent sensing resistors convert the current flowing through it to a voltage drop. Monitoring or measuring this voltage drop allows the current through the resistor to be measured. Applications for current sensing resistors include power supplies, receptacles, and battery packs. 
Search by Specification | Learn MoreResistor, capacitor networks (RC networks) are integrated circuits (ICs) that contain resistor-capacitor arrays in a single chip
Search by Specification | Learn MoreChip resistors are passive resistors with a form factor of an integrated circuit (IC) chip. Typically, they are manufactured using thin-film technology
Search by Specification | Learn MorePower resistors are used in power generation and distribution, high-voltage applications, control systems, and other power system applications. They include load banks, grounding resistors, and dynamic braking resistors
Search by Specification | Learn MoreDynamic Braking Resistors (DBRs) are used to absorb the high amount of energy generated when stopping electric motors in systems such as trains, elevators, etc
Learn MoreShunts resistors are connected in parallel with an instrument or component to divert electrical current. They provide an alternate path for current in case of failure
Search by Specification | Learn MoreResistance standards and decade boxes provide a highly accurate standard value of resistance for calibration and testing.
Search by Specification | Learn MoreCalibration standards and reference sources include any source that can provide a reference for the calibration of an instrument or comparison of a material or component.
Search by Specification | Learn MorePlating services apply a thin coating of metal to the surface of a substrate in order to improve conductivity, prevent rust and corrosion, and facilitate soldering. There are two basic plating techniques: electroplating and electroless plating.
Search by Specification | Learn MoreDigital potentiometers are three-terminal resistors with an adjustable center connection. To set the output resistance, a digital signal is sent through an electrical interface
Search by Specification | Learn MoreRTD (resistive temperature device) elements are wire windings or other thin-film serpentines that exhibit changes in resistance with changes in temperature.
Search by Specification | Learn MoreTemperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches.
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Custom Resistors EBG, LLC
HIGH ENERGY RESISTORS General Atomics Energy Products
UXP SERIES Power Resistor EBG, LLC
Resistor Tubes U.S. Resistor, Inc.
Resistor Washers U.S. Resistor, Inc.
High-Energy Rod and Tube resistors HVR Advanced Power Components, Inc.
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Thick Film, Thin Film, Wirewound, Metal Film, Metal Oxide and other Resistors from Newark InOne. Newark InOne is the source for electronic parts and components try our world-class search engine, which allows you to search by a number of different criteria, and see how much they have to offer. With 425+ manufacturers Newark InOne will always have what you need when you need it. (read more)
Unsure what resistance or attenuation value you need for your prototype? Tired of repeatedly asking for samples? Want the convenience of having your own assortment of surface mount passive components in your lab? IMS is pleased to offer engineering kits for many of our popular thick and thin film surface mount products at a reasonable cost. (read more)
Power Aluminum Case Wire Wound Resistors, HM series, are available in several standard and custom profile styles. The resistor is wound with normal or low inductance winding. The Resistor element is inserted into an alumimun housing and filled. Wattages range from 60 Watts through 1,000 Watts. The aluminum case is rugged & the flying leads provide wiring versitility. (read more)
The IMS RCX PW line of partial wrap terminations surface mount chip resistors is ideally suited for applications requiring high frequency performance from a miniature surface mounted chip resistor. Frequency range of IMS' Partially Wrapped chip resistors in an impedance matched system can be beyond 40 GHz! (size dependent) (read more)
General Atomics Energy Products High Energy resistors consist of a resistive element housed in a robust frame constructed of metal end terminals separated by insulating angle bracket side rails. Standard resistors come in several basic cross sections, with lengths from 6 to 48 inches. (read more)
Cement Box type resistors offer a choice of resistive elements inside a flameproof cement box. In addition to being flameproof, these resistors are also non-corrosive and humidity proof.
The available resistive elements are: SQ: Standard wire wound MSQ: Metal oxide core for higher resistance and lower inductance. NSQ: Non-Inductive wire wound resistor elements. (read more)
Resistor Washers are available in a wide variety of diameters to meet your application needs. (read more)
The SWS - 2 resistor is a low ohmic, high current pulse load resistor designed for usage as a protective resistor, where no further resistor cooling is available. (read more)
By temperature controlling an otherwise very stable resistor, a performance close to the very best available in the world can be achieved at a surprisingly low price. The resistor itself is oil filled and hermetically sealed. (read more)
RA series single In-line-pin, resistor networks offer semi-precision performance for commercial applications. Automated production, completive pricing and uniform quality. Wattage 0.125 Watts per element. Up to 16 pin designs available. Custom designs are readily available for volume applications. (read more)
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| LDR05 | AmericanMicroSemi | AMS | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors |
| LDR07 | AmericanMicroSemi | AMS | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors |
| LDR03 | AmericanMicroSemi | AMS | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors | Optoelectronics:Photoresistive Devices:Light-Dependent Resistors |
| VT93N1 | Newark | EG & G VACTEC | Non-Stocked Products | Light-Dependent Resistor (LDR),Cell-1a RoHS Compliant: No |
| VT43N4 | Newark | EG & G VACTEC | Non-Stocked Products | Light-Dependent Resistor (LDR),Cell-1a |
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LDR sensors This practical is about using a light dependent resistor (LDR) as a sensor. |
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using a multimeter The circuit uses an LDR, or light dedpendent resistor. |
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555 Timer/Oscillator Tutorial When the switch is closed, the capacitor begins to charge through the resistor. See University of Guelph Information |
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741 Op-Amp Tutorial, op-amps, Operational Amplifier See University of Guelph Information |
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Transistor Circuits The switching action can be inverted, so the LED lights when the LDR is brightly lit, by swapping the LDR and variable resistor. |
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Light Dependent Resistor or Photo Resistor ::... - the light dependent resistor, LDR, or photo resistor |
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Light-dependent resistor (LDR) - SensorWiki Light-dependent resistor (LDR) From SensorWiki |
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ePanorama.net - Circuits Another possibility is to connect a current limiting resistor in line. |
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ePanorama.net - Circuits The adjustable resistor R1 resistance controls the speed at which C1 charges from incoming power. |
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Kitsrus.com website IC the KC778B. Circuit utilizes PIR detector and a light dependent resistor (LDR) to provide an optimized circuit that will detect motion up to 6 |