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IGBTs incorporate free-wheeling diodes for power transmission/distribution apps

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Infineon Technologies Bipolar GmbH & Co. KG expands the high-power Prime Switch family with the new Press Pack IGBT (PPI) with internal freewheeling diodes (FWD) in Ceramic Disc Housings. This PPI is specifically designed for transmission and distribution applications and is ideal for high current Modular Multilevel converters (MMC), medium voltage drives, DC breakers, wind […]

Compact cartridge fuses available with high-current, high-voltage ratings

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Littelfuse, Inc. announced the compact cartridge fuse series available that’s rated at 500Vac/Vdc with current ratings from 40A to 63A and a 10,000A interrupting rating. The 607 Series high-current, high-voltage cartridge fuse, designed for overcurrent protection applications, provides a robust solution for demanding high-voltage power supply circuits. The 500V fuse rating is suitable for both […]

High-voltage fuses designed for automotive, EV apps

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Littelfuse, Inc. announced the new 828 Series High-Voltage Cartridge Fuses, designed and tested to meet the circuit protection needs of compact automotive electronics, specifically Electric Vehicle (EV) applications. These robust fuses are Littelfuse internal AEC-Q200 compliant, providing a high interrupting rating (10 KA @ 1,000 Vdc), which is ideal for the On-Board Chargers (OBCs) and Power […]

Automotive fuses carry 1 kVdc ratings

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Littelfuse, Inc. announced the new EV1K Series Fuses, the first Automotive Grade fuse with a rating of 1000 Vdc. They are designed and tested to meet the overcurrent circuit protection needs of the eMoblilty market, specifically Electric Vehicle (EV) applications. The EV1K provides overcurrent protection in EV high-voltage power supply applications, including: On-board chargers (OBCs); Battery […]

Thyristors provide high surge current overvoltage protection in compact package

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Littelfuse, Inc. announced the new Pxxx0S3N SIDACtor Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is […]

Surface-mountable Li-ion battery protectors prevent overcharging damage

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Littelfuse, Inc. announced the new ITV4030, a series of 22 amp, three-terminal, surface-mountable Li-ion battery protectors. These 4.0 x 3.0 mm devices protect battery packs against overcurrent and overcharging (overvoltage) conditions. The innovative design uses embedded fuse and heater elements that provide fast response and reliable performance to interrupt the charging or discharging circuit before the […]

OCP ORv3-compliant high-density ac-dc power shelf boasts 97% efficiency

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Advanced Energy Industries, Inc. launched its latest Open Compute Project (OCP) Open Rack version 3 (ORv3) compliant high-density AC-DC power shelf with industry-leading power efficiency. Fully compatible with the latest ORv3 1OU 21” open rack standard, the Advanced Energy Artesyn power shelf supports the evolution to 48 V rack power architecture which minimizes power consumption […]

Sager Electronics expands Murata Electronics product offering with micro batteries

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Electronics distributor Sager Electronics now carries Micro Battery products from Murata Electronics. “With decades of technology development and manufacturing expertise, Murata offers a wide range of Coin Manganese Dioxide Lithium, Silver Oxide, and Alkaline Manganese micro batteries with high performance and reliability,” stated Ismeet Chadha Manager, Business Development, Connectivity Business Unit for Murata Electronics. “Building […]

How to gauge LED flicker

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A few years ago, back when ordinary LED bulbs still sold for north of $10 a piece, there was a great brouhaha about LED light flicker. Light flicker can certainly be dangerous. Sufficiently intense flicker at between 3 and 70 Hz can cause epileptic seizure in a small percentage of the population. And flicker that […]