Products/Services for Optocoupler Variable Resistor
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Varistors - (232 companies)Varistors are nonlinear two-electrode semiconductor voltage-dependant resistors. The current in a varistor is proportional to applied voltage raised to a power. These devices are normally made of zinc oxide. Upon application of a high...Mounting StyleLead Type -
Resistors - (971 companies)...or they may be variable or adjustable within a certain range. As passive components, resistors can only reduce voltage or current signals and cannot increase them. Understanding Resistors. Resistance. The resistance of an element measures its... -
Optocouplers - (219 companies)Optocouplers are capable of transferring an electrical signal between two circuits while isolating the circuits from each other. Optocouplers are electronic components which use light waves to provide electrical isolation while transferring... -
Wirewound Resistors - (126 companies)...armoring for insulation; power range is typically between 4 and 17 W, but may be able to withstand power levels of 1000 W or more; requires low TCR. High-power applications. Potentiometer. Specialty application for variable resistors; wirewound technology...
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Chip Resistors - (303 companies)...packages. Resistors are components that oppose the flow of electrical current. They can be used to protect, operate, or control circuits. Resistors can have a fixed value of resistance, or they may be variable or adjustable within a certain range... -
Variable Transmissions - (96 companies)Variable transmissions are used in industrial applications to alter the speed of an output shaft. Variable transmissions are a broad category of products applying to any industrial transmission powering machinery. Variable transmissions are used...
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Power Resistors - (136 companies)Power 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. Load banks develop...
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Dynamic Braking Resistors (DBRs) - (35 companies)Dynamic braking resistors (DBRs) produce braking torque and absorb the high amounts of energy generated by stopping electric motors. They are used in variable-speed drive systems such as elevators, cranes, and trains. Some DBRs are also used...
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Current Sensing Resistors - (102 companies)Current 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...
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Circular Variable Filters - (7 companies)Circular variable filters provide linear attenuation of incident light by rotating the filter. Circular variable filters are doughnut-shaped devices that allow narrow wavelengths from the electromagnetic spectrum to pass through circular substrates...
Product News
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ODG (Origin Data Global)
What is a variable resistor? A Comprehensive Guide Electronics requires precise voltage and current control. How do hobbyists and engineers achieve such control on real devices, like medical equipment, radios and remote controls?. Most often, the answer lies with a tiny but powerful component: The variable resistance. The article below will take you from the basics to more advanced applications of variable resistors. It uses simple and engaging language to guide both beginners as well as seasoned readers through all you need to learn about them... (read more)Browse Wirewound Resistors Datasheets for ODG (Origin Data Global) -
ASAP Semiconductor LLC
Resistors resistors are also known as surface-mount devices or SMD resistors and can be designed in square or rectangular chip bundles. A chip resistor can have a definite value of resistance or a flexible, more variable resistance within a specific range. It is important to note that it is a passive component that can only decrease current or voltage signals. To better understand why such devices are garnering popularity, we must cover how they work. As they form the main components of many advanced electronics... (read more)Browse Resistors Datasheets for ASAP Semiconductor LLC -
Voltage Multipliers, Inc.
Hi-Rel 20kV Optocoupler — USA Made such as: * High voltage linear regulators. * High voltage bi-polar supplies (positive/negative switching). * High voltage Op-Amp. * Solid state variable load simulation. The high-reliability and flexibility of these series make them well suited for a variety of industries including: * Mass Spectrometry. * Medical. * Military. * Aerospace. Available in a clear molded package, VMI 's 20kV version optocouplers are fabricated with two infrared LEDs. All optocouplers are rated for 25kV isolation voltage... (read more)Browse Optocouplers Datasheets for Voltage Multipliers, Inc. -
Win Source Electronics
HCPL-6751 Radiation-Resistant 4CH Optocoupler HCPL-6751: Robust Signal Isolation for Mission-Critical Systems. Designed for harsh operating conditions, the HCPL-6751 provides unmatched reliability for high-radiation, high-temperature, and high-pressure environments. It supports four isolated channels in a single chip, ensuring superior signal clarity and system resilience in aerospace, energy, and communication infrastructure. Key Features & Benefits: Four-Channel Integration. Saves up to 40% PCB space compared to dual-channel alternatives,... (read more)Browse Resistors Datasheets for Win Source Electronics -
Isabellenhutte USA
BRAKING RESISTORS / PRECHARGE RESISTORS BRAKING RESISTORS / PRECHARGE RESISTORS. Our UL-listed components are designed to support high loads (up to 3100 Watts) and high pulse rates (up to 31kW for 5 sec). Their compact size saves you space and make them easy to mount. Rugged Extruded Aluminum Housing. Flying leads and tab terminals available. IP 54 protection type. Customizable. PRECISION & POWER RESISTORS. When you can 't afford to take chances --take charge. When you are developing a design with no tolerance for failure --whether... (read more)Browse Shunt Resistors Datasheets for Isabellenhutte USA -
Skyworks Solutions, Inc.
High-reliability Optocouplers Skyworks through its space and defense product line provides unscreened catalog products along with screened and hermetically sealed high-reliability, high performance, radiation-tolerant, optocouplers operating in full military and space temperature range (-55oC to +125oC). Product screening for parts include the equivalent of Class H and K of MIL-PRF-38534 and JANS, JANTX and JANTXV level of MIL-PRF-19500 specifications. Learn More (read more)Browse Optocouplers Datasheets for Skyworks Solutions, Inc. -
Voltage Multipliers, Inc.
High Voltage Optocouplers — 10kV to 25kV 10kV, 15kV, 20kV & 25kV Optocouplers * High Gain * High Isolation * Small Footprint. Manufactured in the USA, VMI's OC100G, OC150G, OC200G and OC250G optocoupler families offer high voltage, high gain, and high isolation. Our optocouplers are built to the same high quality and reliability benchmarks as all of our products. Using a high voltage photo-diode and multiple LEDs precisely positioned, the OC100G, OC150G, OC200G and OC250G are optimized for high gain and feature long-term gain... (read more)Browse Optocouplers Datasheets for Voltage Multipliers, Inc. -
Voltage Multipliers, Inc.
Optocouplers — High Voltage, Gain and Resolution 10kV and 15kV High Voltage Optocouplers. Manufactured by VMI, the OC100G and OC150G optocoupler families offer high voltage, high gain, and high isolation. Our optocouplers are built to the same high quality and reliability benchmarks as all of our products. Using a high voltage photo-diode and multiple LEDs precisely positioned, the OC100G and OC150G are optimized for high gain and feature long-term gain stability. Designed to be integrated into controlled feedback systems, such as voltage... (read more)Browse Optocouplers Datasheets for Voltage Multipliers, Inc. -
Knowles Precision Devices
Non-Magnetic Variable Inductors With an overall height of only 0.350", these low height, non-magnetic variable inductors from Knowles Precision Devices are ideal for applications where low-profile circuit boards & high Q values are essential. The coils and PTFE cores are made to precision to guarantee a constant winding pitch and consistent relationship to the printed circuit board. Tuning is done by means of threaded PTFE and Non-Magnetic Copper Alloy core. JMC can provide custom variable or fixed inductors for any... (read more)Browse Inductors, Coils, and Chokes Datasheets for Knowles Precision Devices -
Lab-Tools Ltd.
Optional Variable-Temperature Probe Peltier thermo-electrically cooled variable-temperature (VT) NMR probe, ranging from -60C to +80C, is ideal for Material-Science measurements across temperatures. It enables detailed analysis of sample component-mass and dynamic properties such as mobility, dynamics, stiffness, viscosity, or rigidity, with extreme stability provided by Peltier cooling. Peltier thermo-electrically cooled variable-temperature probe -60C to +80C;. Ideal for Materials-Science measurements as a function... (read more)Browse NMR Spectrometers Datasheets for Lab-Tools Ltd.
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Electronics for Guitarists
Electronically variable resistors , called optocouplers or sometimes photocouplers, are ideally suited for the phase shifter application.
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Electronics for Guitarists
Electronically variable resistors , called optocouplers or sometimes photocouplers, are ideally suited for the phase shifter application.
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Implementation of an analogue model of a memristor based on a light-dependent resistor
From the structure and operating principles, it can be seen that the optocoupler acts as a remotely controlled variable resistor in the circuit.
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Current Equalization in Photovoltaic Strings With Module Integrated Ground-Isolated Switched Capacitor DC–DC Converters
The drive to the output switch SSC and the voltage variable resistor in unit T from the CPU are also through optocouplers .
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http://focus.ti.com/lit/ds/symlink/uc39431.pdf
It also eliminates the traditional optocoupler ’s CTR varia- tions with power supply and voltage, and the need to suffer the additional voltage drop of a series resistor .
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Memristor Networks
The float- ing memristor can be emulated most conveniently via a floating two-terminal de- vice with variable resistance, for example the digital potentiometer [6] or the light- dependent resistor (LDR) as a part of the optocoupler [3, 4].
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Arduino Essentials
… code to react to a press Configuring and reading a digital input Taking decisions with conditional bifurcations Timing and debouncing Other types of digital sensors Using an optocoupler as a coin detector … … light meter Connecting a variable resistor to Arduino Voltage divider …
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Dynamic Profile of Switched-Mode Converter
… current-mode control 18 – voltage-output converter 17 Operational amplifier – GBW product 270 – internal gain 270 Optocoupler – current transfer ratio … … transfer function 274 Output variable – output vector 20 … … loop 265 – bias resistor (Rb ) effect 272 – …
