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Circuit ProtectionNXP introduces ESD protection device for USB 3.0 and eSATANXP Semiconductors today announced the availability of a new ESD protection device, the IP4284CZ10, for high speed differential interfaces such as USB 3.0 and eSATA. The IP4284CZ10 offers the industry's lowest differential crosstalk with excellent line-to-line capacitance matching and straight-through routing for optimized signal integrity. The IP4284CZ10 delivers 8kV of contact ESD protection which is at level 4 according to the IEC61000-4-2 standard. 
Fairchild Semiconductor Announces Over-Voltage Protection Device with USB/Charger-Detection for Portable ApplicationsFairchild Semiconductor offers designers of cell phones and handheld mobile products a device with highly integrated over-voltage protection (OVP) as well as USB/charger-detection capabilities. The newest member of Fairchild's OVP family, the FAN3988, allows the end user the flexibility to select an external P-Channel MOSFET with the specific on-resistance and current capability required by the application. 
Fairchild Semiconductor Expands 3.3V Optocoupler SelectionFairchild Semiconductor has developed 3.3V optocoupler products that offer excellent isolation, strong noise immunity and superior performance over a wide temperature range (up to 110ºC). Industrial applications operate in harsh environments where electrical signals are processed in the presence of transients or continuous high voltages. Isolators, such as optocouplers, are instrumental in avoiding downtime from unexpected errors due to noise. These optocouplers help industrial designers create robust systems with low transmission error rates, low system failure rates and proven reliability over extended periods of time. 
STMicroelectronics Proves Performance Advantage with Silicon Protection Diodes Specified to International Surge Standard IEC 61000-4-5STMicroelectronics has announced the first silicon surge protectors meeting international surge-protection standard IEC 61000-4-5, with a family of devices delivering high reliability and effective protection throughout the entire operating-temperature range. California Micro Devices Launches LuxGuard High Voltage ESD Protection Diodes for HBLEDsCalifornia Micro Devices today announced the latest products in the LuxGuard™ family of turnkey solutions for ESD (electrostatic discharge) protection and thermal management for high power, high brightness light emitting diode (HBLED) lighting applications. The new LuxGuard CM1753 and CM1754 feature a 50 volt breakdown voltage specification and deliver a robust 8kV HBM (Human Body Model) of ESD protection with low input capacitance for high power, high efficacy HBLED lighting applications. Designed as silicon based side mount ESD protectors, the CM1753 is designed for P-up common cathode configurations and CM1754 provides identical protection for N-up common anode configurations. Their tiny form factor enables them to be used in all applications, including existing HBLED lamp modules with the number of LEDs in the string ranging from 1 to 15. California Micro Devices Claims Industry's Smallest ESD Protection Device for Mobile HandsetsCalifornia Micro Devices announced the CM1242-33CP, first in a family of extremely small outline ESD (electrostatic discharge) protection devices. Establishing new industry benchmarks for ESD performance and small solution form factor, the CM1242 is an ideal solution for space constrained applications in multimedia smart phones, netbooks and MIDs (mobile internet devices), e-book readers and personal media players. The device provides a single channel of bi-directional ±30kV contact ESD protection in a very compact outline (0.6 mm x 0.3mm). California Micro Devices Introduces New Ultra Low Capacitance ESD Protection DeviceCalifornia Micro Devices today announced the PicoGuard CM1227, an ultra low capacitance electrostatic discharge (ESD) device for the latest digital consumer and computer applications. The CM1227 provides four channels of ±15kV of contact ESD protection, exceeding IEC61000-4-2 level 4 standards. Today's latest digital consumer and computing applications such as digital TVs, set top boxes, PCs and PC peripherals are increasingly adopting advanced high speed serial interfaces such as USB3.0, MIPI, eSATA, DisplayPort and FireWire. 
Over-Current Protection for Primary and Secondary CircuitsIn niche markets with limited space, customers often look for a solution where SMD fuses should be replacable without soldering. The successful standard UMT 250 has been extended for this reason with a clip option. 
MAX14523A/B/C: Programmable Current-Limit Switches Protect Host Devices from Faulty LoadsMaxim has introduced the MAX14523A/MAX14523B/MAX14523C, a family of adjustable current-limit switches. These overcurrent limiters offer a ±10% accurate current limit that can be programmed from 250mA to 1500mA with an external resistor. 
1500W Surface-Mount TransZorb TVS with Breakdown Voltages from 6.7 V to 42.4 VVishay Intertechnology today announced a new series of 1500-W surface-mount TransZorb® transient voltage suppressors (TVS) with an industry low profile of 1.1 mm. The SMPC series offers breakdown voltages from 6.7 V to 42.4 V and excellent clamping capability from 10.0 V to 58.1 V. Avago Technologies - Energy Efficient 1MBd Digital Optocoupler for Signal Isolation InterfacesAvago Technologies claims the industry's most energy efficient 1MBd digital optocoupler. Avago's compact low power ACPL-M50L single channel optocoupler, which operates on approximately 80 percent less drive current than today's standard 1MBd digital optocouplers, targets designers of communication interfaces, microcontroller system interfaces, switching power supplies, and digital isolation for A/D, D/A conversion applications. Epcos CeraDiodes from TTI protect against ESDTTI Inc., is now stocking a new range of devices for the ESD protection of data, audio and video lines (e.g. USB, Ethernet, IEEE 1394 and HDMI), analogue and digital connections, ICs and inputs/outputs in electronic equipment. CeraDiodes - ceramic multilayer semiconductor components from Epcos - are a cost-effective alternative to ESD protection components based on semiconductors such as Zener and TVS diodes, and are also, claims TTI, technically superior. In many cases, the bidirectional CeraDiodes can directly replace semiconductor ESD diodes with respect to form, fit and function. 
Tyco Electronics Expands Polyswitch Portfolio With New 0603 DeviceTyco Electronics announced today the addition of a new industry-standard 0603 device to its popular line of surface-mount PolySwitch devices. The femtoSMDC016F device consumes less than half the board space of prior-generation devices and helps protect sensitive electronics from damage caused by overcurrent and overtemperature events. The device's fast time-to-trip and resettable functionality can help manufacturers reduce warranty costs and improve reliability of portable electronics. 
Campbell Collins - Transient Protection Modules from Gaia for Hi-Rel ApplicationsCampbell Collins Ltd offers the PGDS-50 and LGDS-300 Transient Protection Modules from Gaia Converter to the UK marketplace. These Hi-Rel Grade Transient Suppression Modules are complementary products to Gaia's wide range of DC/DC converters and input filters, enabling customers to quickly and elegantly create complete power supply solutions. 
75V Low-side Intelligent Power Switches for Harsh 24V Automotive EnvironmentsInternational Rectifier has introduced the AUIPS2051L and AUIPS2052G 75V low-side intelligent power switches (IPS) for harsh 24V automotive environments including truck junction box applications. The AUIPS2051L and AUIPS2052G feature a 70V active clamp and provide a comprehensive set of protection features. The devices shut down in the event of over-temperature or over-current conditions, restarting once the input is turned off and turned on again, and provide the diagnostic information via a serial resistor connected to the input pin. Furthermore, the AUIPS205x family is designed using IR's 75V technology making them well suited to any 24V automotive loads such as solenoids or as electromechanical relay replacements. 
Isolator sections with 100 kA short circuit resistanceRittal has significantly extended its Ri4Power range for low-voltage switchgear, with the development of new isolator sections. The isolator section layout is based on the familiar components of the Ri4Power system. In tests, the highest configuration variant with complete side panel modules and bar covers achieved internal form separation of up to Form 4b. Depending on the number of cables to be connected, the new Rittal isolator sections are available in section widths of 1000 and 1200 mm, offering a connection space width of approximately 300 and 500 mm respectively. 
Semtech Extends MicroClamp Platform with Industry’s First 2.5V Protection DevicesSemtech Corp has announced the uClamp2501T and uClamp2511T, 2.5V single-line MicroClamp transient voltage suppression (TVS) devices. These TVS devices are targeted at the one of the fastest growing mobile phone markets - multimedia smart phones with touchscreens, docking ports, memory slots and other interfaces that open the possibility of potential damage from ElectroStatic Discharge (ESD). 
Murata - Low capacitance electrostatic discharge protection devicesMurata has introduced the LXES series of ceramic and silicon based ESD protection devices. Both types feature high suppression levels, high repetition durability and ultra-low capacitance for use in high speed data transmission environments. ESD protection devices are critical components in protecting sensitive circuits in electronic equipment such as mobile phones, notebook PCs and netbooks, digital cameras and other consumer devices from electrostatic discharge (ESD). 
Tiny ESD-Protection Array Guards High-Speed Data Interfaces in Portable DevicesMaxim Integrated Products has introduced the MAX14541E, a diode array that protects 3-channel data interfaces from ESD spikes up to ±15kV (Human Body Model). A low input capacitance of 6pF (typ) prevents signal distortion in high-speed applications. 
Vishay - 1500W Surface-Mount Automotive TVS in low profile TO-277A PackageVishay Intertechnology has announced a new series of 1500W surface-mount automotive transient voltage suppressors (TVS) with the industry's lowest profile of 1.1 mm, and breakdown voltages from 6.8 V to 43 V. Featuring the eSMP TO-277A package, the TPC series offers a 27 % smaller footprint than devices in the traditional SMC package. Keko Varicon High Energy VaristorsThe ZOV Series is a series of high-energy varistors. There are two groups in this series. One consists of standard sized surge shaped varistors and the other is of full custom parameter designed varistors, with these, customers are offered the opportunity to design the optimum varistor with the minimum dimensions to satisfy their own specific application. 
Avago Technologies - Ultra-Low Power Optocouplers for Use in Optical Isolation ApplicationsAvago Technologies has announced that it has developed a new family of ultra-low power optocouplers that will pave the way for a new generation of optical isolators that can operate on approximately 90 percent less power than today's standard optocouplers. Utilizing a unique integrated circuit design and thick insulation material, Avago's innovative ACPL-M61L/061L/064L/W61L/K64L optocouplers offer a significant reduction in power requirements without compromising isolation and insulation performance. These digital optocouplers also provide good high voltage performance over the lifetime of the product while meeting the requirements of safe insulation for reinforced applications. 
AVX develops application specific multilayer varistor seriesAVX Corporation, a leading manufacturer of advanced passive components and interconnect solutions, has developed application specific multilayer varistors for automotive, industrial, military, mobile handset, telecommunication, heavy equipment, appliance, and consumer product applications. AVX can also design and manufacture custom varistors if the design requires specific performance and environmental characteristics not available in the standard product offering. 
MLVs from AVX combine transient clamping and EMI filtering in one deviceAVX Corporation offers designers the ability to clamp transients and filter EMI in one ultra compact device with the expansion of its Transguard multilayer varistor series. Designed for all small handheld devices, the miniature 0201 bi-directional transient voltage suppressor provides minimal signal distortion and low insertion loss. CamdenBoss - New range of powerfusesCamdenBoss has introduced a new range of powerfuses for protecting semiconductors, motors and general power conductor applications. The new CamdenBoss Powerfuse range includes aR semiconductor fuses in 8.5 x 31.5mm and 10 x 38mm sizes, aM motor circuit protection fuses in 8.5 x 31.5mm sizes and gG general fuses in 8.5 x 31.5mm and 10 x 38mm sizes. Digi-Key and Cooper Bussmann Expand Distribution AgreementElectronic component distributor Digi-Key has announced today the expansion of its distribution agreement with Cooper Bussmann from a North American agreement to a global agreement. 
AVX Expands Transguard Series to Include Miniature Multilayer VaristorsAVX offers designers the ability to clamp transients and filter EMI in one ultra compact device with the expansion of its Transguard multilayer varistor series. Designed for all small handheld devices, the miniature 0201 bi-directional transient voltage suppressor provides minimal signal distortion and low insertion loss. Roxburgh EMC filters up-rated to UL1449 Third EditionDEM Manufacturing has uprated its MIF range of EMI filters in line with the Standard UL 1449 Third Edition, six months ahead of the standard coming into force, ensuring that these components offer superior surge and transient protection with immediate effect. 
Cost-saving customised circuit protection systemsE-T-A Circuit Breakers offers a bespoke systems service designed to facilitate the installation and use of E-T-A circuit protection products in a wide range of applications covering manufacturing and process control, and including the telecommunications, petro-chemical, pharmaceutical, aerospace and defence industries. The customised service involves designing solutions in conjunction with the customer and building them fully interconnected to an agreed schedule. Recent success with a major automotive manufacturer has reduced downtime by up to 70%. 
Surge Protection for Primary and Secondary Power SuppliesSCHURTER now offers overvoltage protection components, thereby making it possible for users to obtain all components required for the electrical protection of their electronic appliances from one source. 
Intersil - Octal switch provides ESD protection for switching and routing of diverse signal types in high-end cell phonesSaid to offer 4 times the ESD protection of competitive solutions, Intersil's ISL54230 octal switch provides a simple, space-efficient way to interconnect baseband chip, application processor, internal SIM cards and other support chips in full-featured SmartPhones. The ISL54230's small size and flexibility allows designers to optimize the routing of the many different types of signals found in high-feature-set cell phone products. 
Semtech Handset Protection Platform Offers Small Size Low Capacitance and Power Saving AdvantagesSemtech has announced two additions to its MICROClamp family of protection devices, the uClamp 0511T and the uClamp 1211T – both of which feature the ultra low profile, low leakage and low capacitance needed for mobile phone and portable designs. Both parts are designed to replace multilayer varistors (MLVs) in portable applications, offering the same small size with improved clamping voltage and protection. The bidirectional uClampxx11T parts are packaged in Semtech's two-pin SLP1006P2T package measuring only 1.0 x 0.6 x 0.4 mm – a size that makes the parts appropriate for even the thinnest of designs. 
Omniflex - Device provides isolation and surge protectionOmniflex has released a range of Signal Isolators, the Omniterm LZ series with integrated surge protection designed specifically for the Signal Conditioning Market where isolation and surge protection are required together. 
Semtech Targets PoE Market at Major Telecom OEMs with new circuit protection deviceSemtech has announced the RClamp0524S, the first circuit protection device with an advanced split-pad transient voltage suppression architecture designed to protect Power Over Ethernet (POE) interfaces from electrical surges and transients. 
Toshiba - Ultra-miniature bidirectional ESD protection diodeToshiba Electronics Europe has launched an ultra-miniature bidirectional ESD protection diode that provides protection against both negative and positive voltage spikes. While protection of general data lines requires only a negative clamping voltage, it is necessary to offer both positive and negative clamping when protecting audio lines. 
STMicroelectronics - Integrated Protection ICs Enable Smaller PoE EquipmentSTMicroelectronics has simplified the design of equipment for powering devices connected to an Ethernet network by introducing an integrated surge-protection IC that meets Power-over-Ethernet specifications and protects against high-voltage surges, including electrostatic discharge (ESD). ST's PEP01-5841 protection IC is used in Power Sourcing Equipment (PSE), such as PoE-enabled Ethernet switches or hubs, which drive the specified 48V supply onto the Ethernet cable. 
ON Semiconductor Expands ESD Protection Technology into Industry’s Smallest Package for Use in Portable Electronics ApplicationsON Semiconductor has introduced two ESD protection devices housed in its new, ultra-small 0201 Dual Silicon No-Lead (DSN-2) package. The DSN style package, which measures a mere 0.6 mm x 0.3 mm x 0.3 mm, enables 100 percent utilization of the package area for active silicon, offering a significant performance-per-board-area advantage compared with products in plastic molded packages. 
Overvoltage Protectors with USB Charger Detection and ESD ProtectionMaxim has introduced the MAX14529E/MAX14530E overvoltage protectors (OVPs) with USB charger detection. These devices employ an integrated MOSFET to protect low-voltage systems against voltage faults up to 28V, thus eliminating the need for an external nFET. 
Common Mode Choke EMI Filter with Integrated ESD Protection for High-Speed Data LinesON Semiconductor has introduced the industry's first integrated common mode choke and electrostatic discharge protection IC for high-speed data line applications. The new NUC2401MN combines high bandwidth differential filtering, solid common mode stop band attenuation and world class ESD protection. Analog Devices Unveils Single-package Solution for Medical-grade Data and Power IsolationAnalog Devices has expanded its broad portfolio of digital isolation products with a family of four-channel devices that meet stringent medical-grade specifications for data and power isolation in patient monitoring and other medical equipment. Each device integrates ADI's iCoupler digital isolation technology and proprietary isoPower dc-to-dc converter, providing both isolated power and isolated signal channels within a single package. |
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