ITG Electronics is aiming at server motherboards and storage devices with a series of high-current surface-mount ferrite inductors. The SLA36385A series has a 5 x 9mm footprint and 9.5mm height, and yet the components can handle up to 230A. Inductances range across 35 to 470nH. “The 35nH component can handle more than 200A, with approximately 20% roll off”, said the ...
For RF inductor selection, José Martos and Heinz Zenkner stress the importance of evaluating inductance, natural resonant frequency, quality, DC resistance and rated current for high-frequency applications. High frequency inductors are used in a variety of industries, from consumer products to highly specialised scientific applications. Typical functions include resonance tuning, impedance matching, filtering and attenuation of high frequency overshoots in ...
Sciospec LCR-1 is a PC-based single-channel LCR meter that offers 2-, 3- and 4-port measurements across 100mHz to 500kHz, with 1mΩ – 1TΩ, 10fF – 1kF and 1nH – 1TH capability. Options include upper frequency expansion to 1 or 10MHz, and it comes with PC-based software for automated measurements and analysis, which displays up to four parameters at the same ...
Murata has announced multi-amp miniature automotive SMD inductors that are over 30% better than their forebears. Measuring 2 x 1.6 x 1.2mm (0806 or 2016), there are two types: DFE2MCPHR33MJLLQ 0.33μH ±20%, 0.018Ω 5.1A max (6.4A typ) at 40°C rise 6.9A max (8.1A typ) at 30% inductance change DFE2MCPHR47MJLLQ 0.47μH±20%, 0.022Ω 4.4A max (5.5A typ) at 40°C rise 5.4A max ...
ITG Electronics will feature 600Vac common-mode chokes at APEC in February, which offer “higher voltage ratings and more robust hipot Isolation between two windings – the products address increasing demand for industrial, under-the-hood inverter applications”, it said. That hipot isolation is 2,500Vac. There are two series: C301306H measuring 44 x 48 x 34mm, and C301369H at 34 x 35 x 26mm. ...
Würth Elektronik adds dc ripple bias modelling to its RedExpert on-line power analysis tool. “It is a well-established but little understood fact that ac core losses increase when the ac ripple is dc biased – normal intuition says that dc bias does not increase ac cores losses because it is a static shift,” it said. It is a situation found ...
BEC Distribution is stocking LinkCom Transformer products. This range includes balun transformers for impedance matching, which are also suitable for DOCSIS3.0 and DOCSIS3.1 for data-over-TV-cable, and transformers for Qualcomm’ HomePlug. “LinkCom [also] works with chip vendors for HomePlug, G.hn, G3-PLC4 and has IC approval from several chip companies,” said BEC. Then there are gate drive transformers for power semiconductors, wireless charging ...
Bourns has announced a AEC-Q200 compliant, automotive grade semi-shielded power inductor series that operates across -40 to 150°C. SRN8040HA inductors are constructed using a “silicon-based coating that offers magnetic shielding”, according to the company. They “are designed to release lower magnetic field radiation compared to non-shielded inductors, and are a more cost-efficient alternative to fully shielded ferrite-based inductors”. The data ...
Premo has released a four-phase toroidal common-mode choke for EMC noise suppression in electric vehicle on-board chargers up to 22kW. 4CMCN065R0-32H measures 59mm in diameter, 41.5mm (plus pins) high and ~200g, and is nominally rated at 32A. All the windings have the same number of turns (8), but the one intended for the neutral of a three-phase mains circuit is ...
Premo has releases an integrated wound component package for automotive on-board LLC chargers rated up to 11kW. BCBM-11KW-004 combines 14:15 transformers and resonance inductors for three 3.6kW phases, taking in 400V and delivering 240-460V (<14.7Arms) when switched between 98 and 150kHz. The enclosure is 87(+lugs) x 38(+pins) x 158mm, and the parts inside are encapsulated. “The usage of specific thermal conductive ...
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