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Products/Services for current circuit
Current sources provide reliable current for electrical component testing and for powering specialized components. Search by Specification | Learn More about Current Sources
Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals. Search by Specification | Learn More about Current Sensors
Current sense transformers are used to detect and measure current. There are two basic types of products: switch-mode transformers for power conversion applications, and precision-measurement transformers for instrumentation applications. Search by Specification | Learn More about Current Sense Transformers
Current leakage testers measure the amount of current that leaks to ground. Search by Specification | Learn More about Current Leakage Testers
Current-to-voltage converters scale and convert current signal input to the desired output voltage range. Search by Specification | Learn More about Current-to-Voltage Converters
Circuit breakers are mechanical switching devices capable of breaking currents under specified abnormal circuit conditions. Search by Specification | Learn More about Circuit Breakers
Current transformers are used to step down current in a very predictable fashion with respect to current and phase. They are generally used as inputs to current instruments. Search by Specification | Learn More about Current Transformers
Ground fault circuit interrupters (GFCI) disconnect a circuit when the current between the neutral conductor and the live conductor becomes unbalanced. GFCIs are also known as residual current devices. Search by Specification | Learn More about Ground Fault Circuit Interrupters (GFCI)
Printed circuit materials have copper-clad surfaces for the fabrication of electronic and electrical circuitry on printed circuit boards (PCBs), printed wiring boards (PWB) and flexible circuits. They include materials for flexible film circuit and membrane switches, as well as rigid laminates for circuit boards Search by Specification | Learn More about Printed Circuit Materials (PCB / PWB)
Current limiting diodes (CLD) regulate current over a wide voltage range. There are several types of current limiting diodes (CLD). Examples include a current regulator diode, constant current diode, and current limit diodes. Search by Specification | Learn More about Current Limiting Diodes
Eddy current instruments are nondestructive testing (NDT) devices that induce detectable eddy currents in conductive materials. They are used to detect flaws, determine thickness, inspect welds, measure conductivity, and sort alloys. Search by Specification | Learn More about Eddy Current Instruments
Circuit protection devices are used to protect electronic components from unwanted transients such as current and voltage surges, electrostatic discharge (ESD), lightning, spikes and other signals that can imperil the operation or damage the component. Search by Specification | Learn More about Circuit Protection Devices
Circuit tracers or signal tracers are used to troubleshoot circuits. They are relatively simple electrical testing instruments that enable electricians and other users to locate, trace and identify common electrical problems such as breakers, shorts, and Learn More about Circuit Tracers
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, receptacles, and battery packs. Search by Specification | Learn More about Current Sensing Resistors
Eddy current proximity sensors and switches detect the proximity or presence of a target by sensing the magnetic fields generated by a reference coil. Search by Specification | Learn More about Eddy Current Proximity Sensors
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MEGGER SHARES EXPERTISE-CIRCUIT BREAKER CONFERENCE Megger
Power Supplies - Medical Jerome Industries Corporation
Accessory Powerstrip with Connector Locks Interpower Corporation
Power Supplies - Switchmode 60/80W Surge Jerome Industries Corporation
DIN Rail Power Supplies – by Mean Well B&B Electronics Manufacturing Co. Inc.
Power Supplies - Linear 3 Day Shipping Acopian Power Supplies
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Product News for current circuit
Power SIP Modules with Output Currents up to 80A
Bel Power has added 20A, 40A, 50A, 60A, and 80A Power SIP modules to our expanding offering of non-isolated DC/DC converters. The compact, open-frame devices are optimized for high efficiency and low cost. With this addition, Bel's portfolio of SIP modules now includes cost efficient open-frame parts that can deliver 3A to 80A of output current, operating at efficiencies of up to 94%. (read more)
Flex Circuits
Flex circuits offer OEM customers several options because they have trace routing, current carrying capabilities, and SMT component populating options of a FR4 printed circuit board; and flexibility of a membrane switch. Simple single layer copper flex on polyester or complex double-sided on polyimide, Memtron Input Components provides customers with application-specific solutions. (read more)
Varistors – New Surge Protection for Circuits
Schurter has expanded its product portfolio to include radial leaded varistors, also referred to as MOV (Metal Oxide Varistors). The addition adds yet another form of circuit protection to Schurter's wide range of products, making it possible to obtain all circuit protection components for an appliance from a single source. (read more)
UL 508A & Short-Circuit Current Ratings Workshops
This comprehensive one and a half-day workshop provides technical information to industrial control panel professionals. The workshop is ideal for those who need to understand the safety compliance requirements of the UL 508A Standard for industrial control panels, as well as the new requirements found in the National Electrical Code (NEC) Article 409 and UL 508A Supplement SB. (read more)
F Series Hydraulic/Magnetic Circuit Breakers
The F-Series hydraulic/magnetic high amperage circuit breakers are designed to handle high current applications in extremely hot and/or cold locations. Due to its time-proven hydraulic/magnetic design, the F-Series load sensing mechanism is insensitive to changes in ambient or enclosure temperature, providing a consistent trip point over temperatures ranging from -40°C to +85°C. (read more)
CMB & CLB Series Thermal Circuit Breaker
The CMB and CLB-Series thermal circuit breakers are compact, single pole, push-to-reset thermal circuit breakers designed to protect equipment. Utilizing simple, precision design with few moving parts, these breakers offer cost effective, extremely reliable circuit protection with high resistance against shock and vibration. (read more)
Position Sensor and Circuit
Pacific Silicon Sensor Inc. announced the introduction of a light beam position sensor module. (read more)
Circuit Design
Each Cougar amplifier is designed for unconditional stability and excellent cascadability. Gain flatness is maintained to typically ±0.2 dB or better, which improves cascaded flatness. Each module has internal power supply decoupling to minimize power supply cross talk and fine-grain ripple. (read more)
Injection Current Probes
Injection Current Probes are used to inductively couple large RF currents into conductors passing through their aperture. The conductors are signal, control and power circuits of equipment under test for conducted susceptibility or immunity. (read more)
Current Sensors
Current Sensing Relays provide an effective and highly stable method for monitoring electrical current. Current Transducers and Transmitters are for AC or DC Voltage & Current Voltage, Current, Power, Power Factor, Energy and Frequency can all be monitored in a single package. The sensed information is then provided to the system via an RS485 serial bus. (read more)
Parts by Number for current circuit
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 1658-A21-00-P10-25A | Digi-Key | E-T-A | Circuit Protection | THERMAL OVER CURRENT BREAKER 25A |
| ANL-150 | Digi-Key | Cooper/Bussmann | Circuit Protection | CURRENT LIMITER 150A 32V FAST |
| ANL-175 | Digi-Key | Cooper/Bussmann | Circuit Protection | CURRENT LIMITER 175A 32V FAST |
| ANL-200 | Digi-Key | Cooper/Bussmann | Circuit Protection | CURRENT LIMITER 200A 32V FAST |
| ANL-250 | Digi-Key | Cooper/Bussmann | Circuit Protection | CURRENT LIMITER 250A 32V FAST |
Conduct Research
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Short-Circuit Currents
Short-Circuit Currents Containing detailed calculation procedures and typical data of equipment, this essential reference provides an overview of the components within power systems with respect...(read more)
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Circuit Ideas: Hot-Surface Warning Light Requires no External Power
A hot-surface warning light is a safety device, so it must operate reliably whenever the surface is hot. Heat, however, complicates the light’s power source, because high-temperature...(read more)
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Inductance Measurement Range
Inductance measurement range is defined as the relation between current, i, flowing through the coil and voltage, v, measured at the terminals of an LCR or impedance meter. This measurement is also...(read more)
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Common-Emitter Current Gain
Common-emitter current gain or static current gain is expressed as hfe. It is defined as the ratio of the input dc current and the output dc current of the transistor. This parameter is also known as...(read more)
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Ground-fault interrupters
Ground-fault circuit interrupters (GFCIs), also called earth leakage or residual-current circuit breakers, can sense leakage current to earth ground from live parts and interrupt the circuit...(read more)
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Power Distribution Units Branch Circuit Functions and Protection
In the interest of saving space and reducing costs, some designers of power distribution/power controllers select fuses as opposed to electro-magnetic circuit breakers as a method of circuit...(read more)
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TSL257 Noise Sources
There are 3 primary components of noise in a light to voltage converter: * Thermal noise of the feedback resistor. * Shot noise of the photo current. * Circuit noise. The TSL257 uses a 50 M? resistor...(read more)
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Key Considerations for Current Tranformers
CT's provide an isolated, accurate measurement of the current in the primary. Usually CT's have a one turn primary - a conductor that is part of the circuit being measured. CT's have very little...(read more)
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Evaluating Selective Coordination Between Current-Limiting Fuses and Non Current-Limiting Circuit Breakers (.pdf)
System downtime is reduced when overcurrent protective devices are selectively coordinated. Designers should strive to limit the outage to only that circuit which is overloaded or which has faulted in...(read more)
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What is Inrush Current?
When switching on solid state equipment such as computers, copiers, and electronic ballasts found in lighting systems, as well as magnetic devices like motors, drives, and core & coil ballasts, peak...(read more)
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Modern ZnO surge arresters under short-circuit current... |
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RD3 and RCQ020 Electronic low-voltage residual current devices... |
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Electric current - Wikipedia, the free encyclopedia Electric current From Wikipedia, the free encyclopedia |
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Faraday's law of induction - Wikipedia, the free encyclopedia |
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The LM3900: A New Current-Differencing Quad of Plus or Minus... The LM3900 A New Application Note 72 LM3900 September 1972 Current-Differencing Quad of g Input Amplifiers PREFACE A With all the existing literature See National Semiconductor Information |
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Fast Voltage Comparators with Low Input Current See National Semiconductor Information |
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3V 10K 47 0.68uF 680 HIGH EFFICIENCY RED, GRN OR YEL LITHIUM... LITHIUM CELL 100uF 2907 6V 4.7K 150mA-HR 4.7M 2222 AVERAGE CURRENT = 30uA PEAK LED CURRENT = 15mA 2mS PULSE 2 SEC BETWEEN FLASHES APPROX. 6 MONTHS |
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AN-968 Current Sources: Options and Circuits Application Note... Note The AD7719 ADC has a similar current source setup, with LOW CURRENT--OP AMP APPLICATION the maximum current at 400 A (see Figure 2). Similarly, See Analog Devices, Inc. Information |
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Analog Devices: Analog Dialogue: Two-Stage Current-Feedback... design of current sources I(1) and I(2), and their bias circuit, are the (patent-applied-for) key to the success of the two-stage circuit; they keep See Analog Devices, Inc. Information |
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LM78xx_LM78xxA.fm Each type employs internal current Short Circuit Protection limiting, thermal shut down and safe operating area pro- Output Transistor Safe Operating See Digi-Key Corporation Profile & Catalog |
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