Electrical Circuit Device Protectors

Electrical Equipment & Systems

Gas Discharge Tube has flat, space-saving design.

October 6, 2015

Using flat package and horizontal circuitry design, 2-electrode Bourns® Model 2017 Series FLAT® GDT meets sensitive overvoltage protection requirements of high density and space-restricted applications. This ITU K.12 Class III GDT device, rated at 10 kA on 8/20 µsec waveform, maintains device's isolation and current-handling overvoltage protection capabilities.  With multiple mounting options and DC breakdown voltages from 90–500 V, these devices do not impact signal or system operation. Read More

Electrical Equipment & Systems, Materials & Material Processing

ESD Suppressors protect electronics from up to 30 kV discharges.

August 3, 2015

Available in 0402- and 0603-sized, flat-topped, SMT packages respectively suited for applications up to 24 and 32 Vdc, XGD Series XTREME-GUARD™ ESD Suppressor protects sensitive electronics against ESD to 30 kV. Design enables safe absorption of repetitive ESD strikes of near 4X max level specified in IEC61000-4-2 without performance degradation. After multiple ESD strikes, current leakage of <1 nA minimizes power consumption. Capacitance is 0.04 pF for XGD10402 and 0.09 pF for XGD10603. Read More

Electrical Equipment & Systems

Class II Surge Arresters use MOVs and GDTs.

July 21, 2015

Available from 1–pole to 4–pole, DRS Series uses removable modules consisting of thermally protected MOVs, MOV in series with gas discharge tubes, and GDTs only. DIN rail-mountable devices provide both visual and electrical indicator in case of failure, and meet short circuit current rating of 200 kA without internal fuse. Designed to meet UL 1449 3rd edition, KEMA certified surge arresters handle line voltages up to 385 Vac and maximum current ratings of 40 kA or 20 kA. Read More

Electronic Components & Devices, Communication Systems & Equipment, Electrical Equipment & Systems

Radial Leaded Varistors protect circuits and filter noise.

July 15, 2015

Combining multilayer varistor (MLV) and X7R multilayer ceramic capacitor (MLCC) technology, radial leaded CapGuard™ Automotive Series exhibits bidirectional transient voltage protection, EMI/RFI attenuation, and multi-strike capabilities. AEC-Q200-qualified products, resistant to harsh environments, mechanical shock, and vibration, are available with working voltages of 26 and 45 Vdc, capacitances of 0.47 and 1 µF (both with ±20% tolerance), and energy ratings of 0.6 and 0.7 J. Read More

Electrical Equipment & Systems

Miniature Circuit Breakers protect up to 480 Y/277 Vac systems.

June 10, 2015

Used for branch circuit protection, GMB Series includes UL489, AC, miniature molded circuit breakers that come in 1-, 2-, and 3-pole arrangements ranging from 0.5–63 A. Short circuit interrupt capacity is 10 kA. Used for supplementary circuit protection, GSB Series includes UL1077, AC, supplementary circuit protectors that come in 1-, 2-, 3-, and 4-pole variations that range from 1–63 A and have short circuit interrupt capacity of 5 kA. Both series have 17.5 mm wide housings (per pole). Read More

Sensors, Monitors & Transducers, Electrical Equipment & Systems

Circuit Protection Thermistor suits LED lighting, PFCs, and UPSs.

April 20, 2015

Carrying 277 V rating, SL10 10003 handles steady state current up to 3 A with max received energy rating of 17 J. UL-approved circuit protection thermistor features dissipation constant of 11 mW/°C and can handle body temperature of 151°C at 100% of its maximum current rating. With 200 µF max capacitance, product is optimized for such applications as LED lighting and ballasts, PFC circuits, and inrush current control in UPSs with ratings under 500 W. Read More

Electrical Equipment & Systems, Electronic Components & Devices

TVS Array provides industrial communications circuit protection.

December 22, 2014

Available in bidirectional configuration and designed for local interconnect network (LIN) BUS protection in industrial applications, PESD1LIN protects one power or I/O port and is rated at 200 W peak pulse power per line for 8/20 secondary lightning surge. Asymmetrical line protection is pin 1–2, 15 V and pin 2–1, 24 V. Supplied in molded JEDEC SOD-323 package, device also provides low clamping voltage; and min breakdown voltage at 15 mA is 17.2 V for pin 1–2 and 25.5 V for pin 2–1. Read More

Electrical Equipment & Systems

Gas Discharge Tube provides optimized circuit protection.

December 11, 2014

Featuring compact design and 90–600 V voltage range, Model 2015 FLAT™ Gas Discharge Tube provides optimized surge current ratings, with low leakage and insertion loss, and constant capacitance regardless of voltage, meeting requirements of small and sensitive electronics equipment. Unique isolation pathway design allows GDT to be squeezed in axial direction resulting in reduced height and volume as compared to conventional GDTs. Mounting options include horizontal, vertical, and bottom side PCB. Read More

Electrical Equipment & Systems, Electronic Components & Devices, Materials & Material Processing

Circuit Protection Diode protects 2 CAN bus lines.

November 18, 2014

Providing >25 kV ESD protection, PESD2CAN is suited for assembly line automation, access control systems, and machinery. Component is compatible with IEC standards 61000-4-2 (ESD): air 15 kV, contact 8 kV; with 61000-4-4 (EFT): 40 A, 5/50 ns; and with 61000-4-5 (surge): 4 A, 8/20 µs. Provided in molded JEDEC SOT-23 package, RoHS-compliant diode operates from -55 to 150°C and features 200 W of peak pulse power per line. Read More

Electrical Equipment & Systems

Electrical Protection Device enables DIY solar solution.

July 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. Read More

Electrical Equipment & Systems

Lightning Arrestor/Surge Protector supports 0-6 GHz.

May 8, 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. Read More

Electrical Equipment & Systems

LED Protectors enhance overall light engine efficiency.

July 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.
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Electrical Equipment & Systems

Appliance Inlet Module protects against harmful overloads.

June 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. Read More

Electrical Equipment & Systems

Lightning Arresters provide Level III and IV protection.

February 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. Read More

Electrical Equipment & Systems, Electronic Components & Devices

Hybrid PPTC/MOV Device features resettable design.

December 3, 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. Read More

Electrical Equipment & Systems

Open LED Protector improves reliability of lighting strings.

November 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. Read More

Electrical Equipment & Systems

PPTC Device operates in harsh environments.

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. Read More

Electrical Equipment & Systems

DIN Rail Mount Surge Arresters protect photovoltaic systems.

April 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. Read More

Electrical Equipment & Systems

Resettable Fuse offers Smart Activation functionality.

March 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. Read More

Electrical Equipment & Systems

Silicon ESD Protection Devices suit high-data rate applications.

February 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. Read More