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Electrical Equipment & Systems -> Electrical Circuit Device Protectors


Electrical Circuit Device Protectors




(Showing headlines 1 - 20)   more ....

Electrical Protection Device enables DIY solar solution.

i-Energy    Taipei City 105  Taiwan
Jul 11, 2014 Together with GT260 micro-inverter, i-Protect helps form smart solar residence solution. AR-N-4105-compliant device, providing electrical protection between micro-inverter and grid, features auto-mechanical switch off. Offering voltage, frequency, and power protection, IP67-rated solution is cooled by air and intended for indoor and outdoor use. Mounting and connection are designed to be foolproof. Each i-Protect unit can support 3.6 kW max.

Lightning Arrestor/Surge Protector supports 0-6 GHz.

Lightning Arrestor/Surge Protector supports 0-6 GHz.

AIR802    Aurora, IL 60502
May 08, 2014 Consisting of N female to N female bulkhead coaxial lightning arrestor/surge protector, Model LPNFNF06 is corrosion-resistant and tri-metal plated, which minimizes intermodulation distortion. Unit has 90 Vdc breakdown voltage, 0.5 dB insertion loss at 6 GHz, and max VSWR of 1.5. Equipped with ground lug supporting up to 10 AWG ground wire, device includes L-shaped bracket for mounting.

LED Protectors enhance overall light engine efficiency.

Littelfuse, Inc.    Des Plaines, IL 60016
Jul 30, 2013 Molded from white material, PLEDxSW Series provides electronic shunt path when LED in string fails as open circuit. Devices are connected in parallel with each LED in a series string and are compatible with 1, 2, and 3 W LEDs that have nominal 3 V forward characteristic. Supplied in low-profile standard DO-214AA package, products are designed to efficiently dissipate heat and are compatible with PWM frequencies up to 30 kHz.

Appliance Inlet Module protects against harmful overloads.

Appliance Inlet Module protects against harmful overloads.

E-T-A Circuit Breakers    Mount Prospect, IL 60056 6060
Jun 19, 2013 Integrated with double-pole 3130 thermal circuit breaker, Model X3130 combines C14 appliance inlet module, rocker switch, and resettable overcurrent protection in one package. Available in current ratings up to 15 A and 240 Vac, device provides protection from overloads and potential short circuits. Screw-type mounting minimizes chances of accidental removal of inlet from equipment. System targets applications where equipment and power cord are packaged separately.

Lightning Arresters  provide Level III and IV protection.

Lightning Arresters provide Level III and IV protection.

Phoenix Contact    Harrisburg, PA 17111 0100
Feb 27, 2013 Featuring DIN rail-mount base, VAL-MS-T1/T2 Varistor-Based Arresters are rated for Type 1 lightning strike events with measured 10/350 µs test current of 12.5 A or Type 2 surge events with measured 8/20 µs max discharge surge current of 50 kA. All plugs have thermal disconnect device triggering visual and integrated remote monitoring contacts, allowing continuous monitoring of varistor’s health. Locking mechanism keeps connector in base element, even when subjected to high currents or vibration.

Hybrid PPTC/MOV Device   features resettable design.

Hybrid PPTC/MOV Device features resettable design.

TE Connectivity Ltd.    Berwyn, PA 19312
Dec 03, 2012 Combining resettable polymeric positive temperature coefficient device and thermally enhanced metal-oxide varistor into one package, 2Pro AC Device protects sensitive downstream electronics against damage from overcurrent and overvoltage events. Unit provides stability by maintaining varistor surface temperature of less than 150°C. RoHS-compliant and halogen-free, 2Pro AC Device is suitable for LED lighting, smart meters, appliances, and power supplies.

Open LED Protector improves reliability of lighting strings.

Open LED Protector improves reliability of lighting strings.

Littelfuse, Inc.    Des Plaines, IL 60016
Nov 14, 2012 Designed for use with 1 W LEDs, nominally 350 mA, 3 V, PLED6M Series LED protector offers switching electronic shunt path when diode in LED string fails as open circuit. Unit has turn-on voltage of 7.5 V and on-state voltage of 1.2 V, minimizing steady state power dissipation following LED open failure. It automatically resets if LED resumes normal operation or power is cycled. Applications requiring uninterrupted illumination, such as street, subway, and vehicle lighting, are supported.

PPTC Device operates in harsh environments.

TE Connectivity Ltd.    Berwyn, PA 19312
May 23, 2012 Featuring plastic box-like package for -40 to 85°C operation, PolySwitch(TM) LVB125 provides resettable circuit protection for product assemblies utilizing potting or encapsulating compounds. When installed on primary side of circuit, in proximity to potential heat-generating components, device protects against damage caused by overcurrent and overtemperature conditions. Thermally active, flame-resistant unit is rated at 240 Vac, permits max voltages up to 265 Vac, and offers 1.25 A hold current.

DIN Rail Mount Surge Arresters protect photovoltaic systems.

DIN Rail Mount Surge Arresters protect photovoltaic systems.

Carlo GAVAZZI Automation Components    Buffalo Grove, IL 60089
Apr 10, 2012 Approved per UL 1449 3rd Edition and EN61643-11, DSF-PV Surge Arresters feature Type 2 (Class C) protection from transient over-voltage due to indirect atmospheric discharge and switching actions. Internal varistors are protected against any leakage current that would otherwise damage or cause premature aging when nominal DC voltage is temporarily exceeded. Compliant with EN50539-11 and French standard UTE#C 6-740-5, devices also offer voltage-free contacts for remote status monitoring.

Resettable Fuse offers Smart Activation functionality.

Resettable Fuse offers Smart Activation functionality.

TE Connectivity Ltd.    Berwyn, PA 19312
Mar 12, 2012 Combining bimetal protector in parallel with polymeric positive temperature coefficient device, MHP-SA50-400-M5 provides overcharge protection in multi-cell lithium battery applications. Resettable Metal Hybrid PPTC device has 50 A/400 Vdc max rating and 50 A hold current on main line. With Smart Activation feature, device can be activated electronically with as little as 3 A via signal line. Applications include cordless power tools, light electric vehicles, and energy storage systems.

Silicon ESD Protection Devices suit high-data rate applications.

TE Connectivity Ltd.    Berwyn, PA 19312
Feb 16, 2012 Suited for consumer, auto, and other markets with products using high-speed interfaces such as USB 3.0/2.0, HDMI, eSATA, DisplayPort, and Thunderbolt, single- and multi-channel devices help protect against damage caused by ESD, surge, and cable discharge events. Respective bi- and uni-directional capacitance values of 0.10 and 0.20 pF typ delivers to low insertion loss, which helps maintain signal integrity. All devices deliver ESD protection of 20 kV air and contact discharge.

Bus Port Protection Array provides capacitance of 0.6 pF.

Bus Port Protection Array provides capacitance of 0.6 pF.

Vishay    Malvern, PA 19355
Nov 08, 2011 Housed in LLP2510 package measuring 2.5 x 1.0 x 0.55 mm, Model VBUS54ED-FBL features low maximum leakage current of less than 0.1 µA at working voltage of 5.5 V. Four-line array offers breakdown voltage of 7.9 V at 1 mA and max clamping voltage of 12.5 at 2 A. Compliant with RoHS 2002/95/EC and WEEE 2002/96/EC, Pb-free device provides transient protection for data lines as per IEC 61000 4 2 (ESD) at 15 kV and is suitable for USB 3.0, HDMI, DisplayPort, eSATA, and 1394/Firewire applications.

Compact USB 2.0 Protection Device suits portable applications.

Texas Instruments, Inc. (TI)    Dallas, TX 75243-4136
Sep 26, 2011 Supplied in 10-pin, 4 mm˛ DSQ SON package, TPD4S014 integrates 4 types of USB 2.0 chip protection: ESD, over-temperature, under-voltage (below 2.8 V), and over-voltage (above 6.15 V). Chip can be implemented in design configurations that require small footprint and covers all 4 USB 2.0 channels: D+, D-, VBUS, and ID. Compatible with Full and High Speed specifications, product supports data rates up to 480 Mbps and offers immunity of +8 kV contact discharge and +15 kV air-gap discharge.

SMT Fuses provide secondary-side circuit protection.

SMT Fuses provide secondary-side circuit protection.

TE Connectivity Ltd.    Berwyn, PA 19312
Jul 18, 2011 Comprised of 20 AC/DC fuses with current ratings from 0.5-20.0 A, 2410SFV series helps provide secondary-side circuit protection in high-voltage, high-current designs. Products come in 6.1 x 2.5 mm SMD package and offer nominal cold resistance (DCR) from 0.0034-0.231 ohms as well as high-interrupt current from 50-300 A. Rated from -55 to +125°C, fuses provide inrush current withstand capability that minimizes nuisance tripping during transient overload conditions.

ESD Protection Array provides low capacitance of 0.7 pF.

Vishay    Malvern, PA 19355
Apr 08, 2011 Designed to protect USB-OTG ports against transient voltage signals, Model VBUS053CZ-HAF provides 3 lines of USB ESD protection at 5.5 V working range and 1 line of VBUS protection at 28 V working range. Unit features low max leakage current of 0.085 µA at 3.3 V and 1 µA at 5.5 V. Housed in lead-free LLP75-7L package, device provides transient protection as per IEC 61000-4-2 at 15 kV contact and 15 kV air discharge as well as surge current protection in accordance with IEC 6100-4-5 from 3 A.

Four-Channel Transmit/Receive Switch delivers 260 Vpp protection.

Four-Channel Transmit/Receive Switch delivers 260 Vpp protection.

Supertex, Inc.    Sunnyvale, CA 94619
Mar 01, 2011 Supplied in DFN package, MD0105 consumes 200 µA while protecting receiver circuitry of ultrasound systems against high-voltage transmitter pulses. Bi-directional NC switch, governed by control that monitors voltage drop across terminals A and B, opens when voltage difference exceeds ±2.0 V and does not close until cross-terminal voltage drops below 2.0 V. IC replaces discrete transmit/receive solution and does not require requires diode bridges, inductors, resistors, or power rails.

Transient Voltage Suppressor protects multimedia interfaces.

Transient Voltage Suppressor protects multimedia interfaces.

STMicroelectronics    Lexington, MA 02421
Jan 20, 2011 Designed to preserve picture quality while maintaining ESD protection, Model ESDAXLC6-1MY2 places 0.35 pF max loading on signal line, which provides signal bandwidth of 6-7 GHz, allowing 2.7 Gbps data streams of DisplayPort interface to pass through without distortion. IC also protects HDMI, USB3.0, and eSATA interfaces, which have similar data rates. Occupying 0.6 mm˛ of PCB space, device allows equipment to withstand ESD event up to ±8 kV in direct contact with signal conductor.

Overcurrent Protection Device is designed for Li-Ion batteries.

TE Connectivity Ltd.    Berwyn, PA 19312
Nov 18, 2010 Intended for high-rate-discharge battery applications rated above 30 Vdc/30 A, MHP30-36 delivers hybrid circuit protection by combining bimetal protector in parallel with polymeric positive temperature coefficient (PPTC) device. Integrated solution provides resettable overcurrent protection and utilizes resistance of PPTC device to help prevent arcing in bimetal protector at higher currents while also heating bimetal to keep it open and latched. Hold current is 30 A.

Overcurrent Protection Device ensures Li-Ion battery safety.

Overcurrent Protection Device ensures Li-Ion battery safety.

TE Connectivity Ltd.    Berwyn, PA 19312
Nov 12, 2010 Intended for high-rate-discharge battery applications, MHP30-36 has 36 Vdc/100 A max rating and time-to-trip of under 5 sec @ 100 A and 25°C. Metal Hybrid PPTC (MHP) technology, which uses hybrid circuit protection approach that combines bimetal protector in parallel with polymeric positive temperature coefficient device, provides resettable overcurrent protection and arc suppression. Hold current is 30 A, and initial resistance is under 2 mW.

Thermal Protection Device  withstands reflow processes.

Thermal Protection Device withstands reflow processes.

TE Connectivity Ltd.    Berwyn, PA 19312
Nov 12, 2010 Intended for automotive and industrial applications, Reflowable Thermal Protection Device withstands multiple reflow passes with peak temperatures exceeding 200°C, yet will open in field when it detects temperatures above 200°C. Surface mount Model RTP200 protects against thermal-runaway damage caused by capacitors, ICs, and other power components that can crack and fail. RoHS-compliant unit features 1.2 mW series resistance and DC-interrupt ratings of 200 A at 16 Vdc and 100 A at 32 Vdc.




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