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varistors

Varistors include fuse protection

October 16, 2018 By Aimee Kalnoskas Leave a Comment

NT14 and NT20 series

TDK Corporation has extended its EPCOS ThermoFuse family of fuse protected varistors with the new compact NT14 and NT20 series. The new ThermoFuse components feature a footprint that fits into existing circuit board layouts. The NT14 series (disk diameter 14 mm) is designed to absorb maximum surge currents with an 8/20-μs pulse of 6 kA […]

Filed Under: Power Components, varistors Tagged With: tdkcorporation

Power Electronics Top Talks in May on EDABoard.com forums

June 4, 2018 By Aimee Kalnoskas Leave a Comment

edaboard.com

Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com XFMR winding optimization for DC resistance – I am asking about the design of the windings of a high-frequency transformer. The point […]

Filed Under: Converters, Featured, Power Components, Power Supplies, Resistors, varistors Tagged With: edaboard.com

Radial leaded MOV’s for general purpose overvoltage protection

May 7, 2018 By Paige Beach Leave a Comment

MOVs

Stackpole’s RV Series of radial leaded metal oxide varistors is available in a wide range of disk sizes and working voltages designed for general purpose overvoltage protection. The RV Series is UL1449 certified and offers disk sizes from 5mm up to 20mm with peak current ratings up to 18,000 amps and energy handling up to […]

Filed Under: Power Components, varistors Tagged With: stackpole, stackpoleelectronics

Data book covers metal oxide varistors

April 26, 2018 By Aimee Kalnoskas Leave a Comment

metal oxide varistors

TDK Corporation presents the fully revised data book for EPCOS SIOV metal oxide varistors for overvoltage protection. In addition to the extended portfolio of leaded disk varistors, the data book contains the new SNF types with an extended temperature range of between -40 °C and +125 °C. AEC-Q200-qualified automotive types of these varistors are now also available. […]

Filed Under: Power Components, varistors Tagged With: tdkepcos

Designing overvoltage protection for fire detection equipment

August 17, 2017 By Lee Teschler Leave a Comment

fire alarm system makeup

Author: Sonja Brown, EPCOS, a TDK Group Company The analyst firm Gartner predicts there will be nearly 25 billion IoT-enabled devices by 2020 – many of which will take the form of home automation, safety, security, appliance and entertainment equipment. A recent article on Smart Home technology cited a Coldwell Banker Real Estate survey that […]

Filed Under: varistors Tagged With: tdkepcos

Metal oxide disk varistors work up to 105 °C

August 9, 2017 By Paige Beach Leave a Comment

TDK Corporation presents leaded EPCOS metal oxide disk varistors, which have now been approved for an increased operating temperature of 105 °C (previously 85 °C). The reason for this is the recertification of the B722* series of varistors in accordance with UL 1449, 4th Edition, and IEC 61051. Raising the permissible operating temperature to 105 […]

Filed Under: Transistors, varistors Tagged With: tdkcorporation, tdkepcos

Spice models help design with automotive varistors

July 10, 2017 By Aimee Kalnoskas Leave a Comment

AVX Corporation has released new SPICE models for its CapGuard™ Automotive and TransGuard Automotive Series multilayer varistors. Designed to enable shorter, more cost-effective development cycles with more first-pass prototype successes, SPICE models allow electronic design engineers to quickly, easily, and effectively evaluate the integrity of circuit designs, accurately simulate their performance, and identify and correct potentially […]

Filed Under: Power Components, varistors Tagged With: avxcorp

High-power varistors work at 125°C with 2.5 kV isolation voltage

November 8, 2016 By Aimee Kalnoskas Leave a Comment

Littelfuse, Inc., the global leader in circuit protection, today introduced its first varistor series designed for high power applications that can operate at ambient temperatures up to 125°C with 2500V isolation voltage. The HMOV™ Varistor Series’ high operating temperature is an advance made possible through the use of a new silicone coating technology. Competitive epoxy-coated […]

Filed Under: Power Components, varistors Tagged With: littelfuse

26-VDC varistors handle EMI/RFI filtering, ESD protection

September 28, 2016 By Jennifer Calhoon 2 Comments

AVX Adds 26VDC Components to its Proven, Dual-Function TransFeed™ & TransFeed Automotive Series Varistors AVX Corporation, a leading manufacturer of passive components and interconnect solutions, has added new 26VDC components to its proven, dual-function TransFeed™ and TransFeed Automotive Series varistors, extending the series’ superlative EMI/RFI filtering and bi-directional ESD protection capabilities to an even broader […]

Filed Under: Power Components, Transistors, varistors

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