Circuit Protection
Vishay Releases New TFU Thick Film Flat Chip Fuses in Compact 0603 Chip Size
Vishay Intertechnology, Inc. today announced the release of new TFU 0603 thick film flat chip fuses that offer very quick-acting fuse characteristics in a smaller chip size. The devices feature rated current values up to 4.0 A and a breaking capacity of 35 A up to a rated voltage of 32 V.
SCHURTER Anounced High-End-Compact 3-Phase 2-Stage EMC Filter
SCHURTER expands its filter product portfolio, introducing power line filter series FMBC NEO for 3-phase-systems and FMBD NEO for 3-phase-systems with neutral.
Vishay’s New 4-Line BiSy Protection Array Offers Low Typical Capacitance of 16 pF Typical and Low Leakage Current of < 0.1 µA in SOT23-5L Package
Vishay announced the new 4-line VCUT05A4-05S-G-08 bidirectional symmetrical (BiSy) ESD protection diode array. The device offers low capacitance and leakage current for ESD protection in a wide range of data port applications such as USB 2.0 in PCs and portable consumer electronics.
Tyco Electronics' New Polyzen Device Addresses USB Suspend Mode Power-Consumption Requirements
Tyco Electronics introduced the PolyZen ZEN059V130A24LS device. The integrated device helps provide complete circuit protection for electronics with USB ports and meets Suspend Mode power-consumption requirements for USB 3.0.
One-Shot Bimetal Thermal Fuses
In applications where a very reliable one-shot thermal fuse option is required, ATC Semitec now offers the PEPI H series. PEPI H bimetal fuses do not suffer from aging like conventional thermal fuses and so can be used at temperatures much closer to their switch point. This means that should a fault condition occur, the H-type fuse will react quicker offering greater security to the appliance and its user.
Power switches provide complete USB port protection
Diodes Incorporated has introduced a family of 6 high-side power switches offering complete port protection for a wide range of self-powered and bus-powered USB and other hot swap applications. Designed to tolerate heavy capacitive loads and short circuits, the AP21x2A dual channel devices are available with maximum load current ratings of 0.5A, 1.0A and 1.5A, and both polarities of enable input.
STMicroelectronics Delivers All-Round Efficiency Gains with Smallest Four-Line ESD Protection IC Supporting All Leading High-Speed Interconnects
STMicroelectronics has unveiled an IC for use with today's highest-speed multimedia and storage interconnects, including HDMI, DisplayPort, USB 3.0, Serial ATA (SATA) and DVI. The new device provides ESD protection for four data lines within a 1x2mm-outline package, saving at least 30% of PCB space compared to other devices.
Fuse Offers Low Current Ratings in Compact Design
Schurter introduces the new USFF 1206 fuses with super-quick-acting characteristic for low current applications. The new product extends the current range of the successful USF 1206 for lower ratings ranging from 160 to 250 mA. The wire bonded fuse offers extremely low impedance values compared to competitive products, providing exceptional performance in dense circuits.
Thermal Circuit Breaker has Factory Mounted Protection Cover option
Schurter just introduced new protection covers for its popular TA35 series Circuit Breaker for Equipment. The 2-pole circuit breaker is now available with factory mounted covers in addition to its range of covers supplied separate for customer installation.
SFS2030A-LF Fixed Frequency Synthesizer Features Low Phase Noise
Z-Communications, Inc. announces a new RoHS compliant Fixed Frequency Synthesizer model SFS2030A-LF in S-band. The SFS2030A-LF is a single frequency synthesizer that operates at 2030 MHz. This Synthesizer features a typical phase noise of -95 dBc/Hz @ 10 KHz offset and typical sideband spurs of -70 dBc.
High performance Fuse for PV systems Touch safe Fuseholder
Schurter introduces the new solar fuse ASO and fuseholder FSO with quick-acting characteristic to protect photovoltaic and similar DC-applications. The new product extend the strategic segment "renewable energy" with a 1000 VDC fuse with a current range from 1 A to 30 A and a touch safe fuseholder FSO. As PV systems have grown in sitze, so have their circuit protection requirements such as voltage rating. This high performance DC fuse is in a compact 10.3x38 mm package.
Vishay - USB-OTG Bus Port Protection Array Provides Low Typical Capacitance of 0.7 pF and Low Maximum Leakage Current Down to 0.085 µA in Compact LLP1713-9M Leadless Package
Vishay Intertechnology announced a new ESD-protection array featuring low capacitance and leakage current to protect USB-OTG ports against transient voltage signals. The new VBUS053BZ-HNH-G-08 provides three lines of USB ESD protection at a 5.5-V working range, and one line of VBUS protection at a 12-V working range.
New Chip Varistors Protect against ESD
New EIA 0201 Multilayer Chip Varistors from Taiyo Yuden are designed to protect today's slim and compact hand-held mobile devices against electrostatic discharge (ESD). Fact is, these varistors offer the industry's highest electrostatic discharge for their size. Both the VR063 101A120 and the VR063 101A080 boast the same varistor voltage, ESD resistance and other electrical characteristics as Taiyo Yuden's previous highly regarded EIA 0402 model. However, they measure only 0.6 x 0.3 x 0.3 mm, and are 78% smaller than the EIA 0402.
NXP introduces ESD protection device for USB 3.0 and eSATA
NXP 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 Applications
Fairchild 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 Selection
Fairchild 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 61000-4-5
STMicroelectronics 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 HBLEDs
California 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 Handsets
California 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 Device
California 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 Circuits
In 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 Loads
Maxim 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 V
Vishay 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 Interfaces
Avago 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 ESD
TTI 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 Device
Tyco 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 Applications
Campbell 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 Environments
International 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 resistance
Rittal 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 Devices
Semtech 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 devices
Murata 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 Devices
Maxim 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 Package
Vishay 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 Varistors
The 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 Applications
Avago 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 series
AVX 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 device
AVX 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 powerfuses
CamdenBoss 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 Agreement
Electronic 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 Varistors
AVX 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.














