Vishay Intertechnology, a manufacturer of discrete semiconductors and passive electronic components, has released two new slew-rate-controlled p-channel high-side load switches designed for 1.5 V to 5.5 V operation. The SiP32458 and SiP32459 are ideal for load switching in portable electronics, including smartphones, GPS devices, digital cameras, media players, notebooks and … [Read more...]
Sub pF Varistors for Over-Voltage Protection in Automotive and RF Applications
AVX Corp., a manufacturer of advanced passive components and interconnect solutions, has released a new series of sub pF varistors for over-voltage protection in a range of applications, including antennas and RF circuits and automotive high-speed information systems, touch controls and displays. According to the company,” the new automotive sub pF AG series of … [Read more...]
Linear Regulators Provide Simple POL DC-DC Conversion in Board-Level Applications
Advanced Power Electronics Corp., a manufacturer of MOS power semiconductors for DC-DC power conversion applications, has released the APE8968MP-HF-3 series of 3A, ultra-low dropout linear regulators designed to provide simple point-of-load DC-DC conversion in board-level applications. According to the company, the APE8968MP-HF-3 series of regulators provides a dropout of just … [Read more...]
Requirements for Software for Tests with Impulse Voltages and Currents
From the International Electrotechnical Commission webstore: “IEC 61083-2:2013 applies to software used for evaluation of impulse parameters from recorded impulse voltages and currents. It provides test waveforms and reference values for the software required to meet the measuring uncertainties and procedures specified in IEC 60060-1, IEC 60060-2, IEC 60060-3 and IEC 62475. … [Read more...]
EMC – Grounding on Automation and Control Systems Applications to Eliminate Electromagnetic Interference in Industrial Plants
Author Roberto Menna Barreto QEMC - Engenharia, Qualidade e Compatibilidade Eletromagnética Ltda., Rio de Janeiro, Brazil [email protected] Summary The preservation of signals and equipment are generally characterized by the term Electromagnetic Compatibility (EMC), whose essence will translate in its own grounding system. The proper EMC improvement in the … [Read more...]
New Series of TVS Components Protect Portable Consumer Electronic Devices
Semiconductor company ProTek Devices has released a new series of transient voltage suppressor (TVS) components that provide circuit protection for switching transients across the DC line in sensitive electronics, including smartphones, battery chargers and other portable consumer electronic devices. According to the company, the PSDxxHP series “provides electrostatic … [Read more...]
Developer of Gallium Nitride Power Switching Semiconductors Opens New Marketing and Technical Support Center in United Kingdom
GaN Systems, Inc., a developer of gallium nitride power switching semiconductors, has announced the opening of a new office facility in Reading, England. The new location will house technical support and seminar facilities, in addition to sales offices. “GaN Systems’ new office facility comes in response to a strong pull from our growing base of European customer partners,” … [Read more...]
MOSFETS Suited for High-Voltage Applications Requiring High Efficiency and Reliability
Alpha and Omega Semiconductor Ltd. a developer of power semiconductors and power integrated circuits, has released the the AOTF11C60 and AOTF20C60, two 600V MOSFETs with AlphaMOS™ II technology. The patent-pending AlphaMOS II technology “combines planar-like robustness and controlled switching characteristics with the low on-resistance performance of super-junction type … [Read more...]
Lightning Arrestors for Lightning Protection Levels III and IV Ideal for DC Applications
Phoenix Contact, a developer of industrial electrical and electronic technology products for a wide range of industries, has released VAL-MS-T1/T2 lightning arresters for lightning protection levels III and IV. The new lightning arresters are ideal for DC applications, such as FTAA/telecom, Wi-Fi networks, photovoltaic industries or AC single and multi-phase … [Read more...]
Silicon-Based TVS Diode Arrays Provide “Up to 50 Percent Reduction in Clamping Voltage”
Circuit protection provider Littelfuse, Inc. has released the 450W SD05 unidirectional and SD05C bidirectional series of silicon-based TVS diode arrays designed to replace multilayer varistors (MLVs) as ESD protection. According to the company, “the low dynamic resistance [of the devices] provides up to a 50 percent reduction in clamping voltage when compared with competing … [Read more...]
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