Passives

Vishay has introduced a pair of 1008 (2.5 x 2 x 1.2mm) power inductor types. “The commercial IHLL-1008AB-1Z and Automotive Grade IHLP-1008ABEZ-5A achieve the same performance as the next-smallest IHLP inductor in a 55 % smaller footprint, while offering operating temperatures up to +165°C, a wider range of inductance values, and lower dc resistance,” according to the company. Offering inductance ...

Samsung is releasing a new range of MLCCs (multi-layer ceramic capacitors) aimed at the electric vehicle (EV) industry, meeting demand for high rated voltage systems. Specifically, Samsung Electro-Mechanics is releasing X7R dielectric (operating temperatures from -55 up to 125°C) MLCCs, offering 2.2nF~470nF capacitance and rated voltage up to 2000Vdc. The dimensions are 4.5 x 3.2mm (“1812 inch”), extending the previous ...

Murata has started making 160 x 80 x 80μm (0.16 x 0.08 x 0.08mm) MLCCs – 006003 in inch nomenclature – claiming that they are “the world’s smallest multilayer ceramic capacitor”. The company did release information on values available in the new package, but has since withdrawn it.

Vishay Intertechnology is aiming at industrial, medical and consumer wireless charging up to 30W with a range of transmit and receive powdered iron wireless charging coils, optimised for relative humidity up to 90%. Operation is at up to +105°C, and the company is claiming smaller footprints than its previous-generation devices. “The high moisture resistance of the devices results from their ...

TDK has introduced a series of high-value metal-framed multi-chip ceramic capacitors for automotive electric power trains, on-board chargers and wireless power transfer systems, where the capacitors must handle high currents or voltages, or have high capacity. “To meet these needs, TDK developed the CA series, the largest MLCCs in the industry [6 x 5.6 x 6.4mm] with a metal frame ...

Bourns has created an AEC-Q200 compliant 1:1 signal isolation transformer for automotive battery management systems. SM91872AL is surface-mount and will fit into a 17.4 x 10.6 x 8.1 envelope – including its visible legs. Inductance is 150 to 450µH (100kHz 100mV) across its -40 to +125°C operation range, and leakage inductance is 1µH max. Both sides have a maximum resistance ...

Kyocera AVX has released low-ESR C0G/NP0 dielectric RF MLCCs (multi-layer ceramic chip capacitors) “inspired by communications market demand for smaller RF capacitors that deliver repeatable performance”, it said. Called KGU, they come in values from 0.1 to 100pF with tolerances as low as ±0.05pF. They come in four chip sizes: 01005, 0402, 0603 or 0805 (EIA). Class I C0G, also ...

Würth Elektronik has created a sticky-back tape that blocks or absorbs electric and magnetic fields across 100Hz to 25GHz. Called WE-EMIP EMI absorber sheet, is only 72μm thick and consists of a layer of aluminium, a magnetic absorber layer (100μ0 permeability at 1MHz) and a polymer carrier layer. “It offers attenuation exceeding 40dB over a wide frequency range,” according to ...

Bourns has added six shunt resistor types its Riedon range, that it acquired in April last year when it bought Riedon Inc. Construction is with brass end-caps holding Manganin resistance elements. The latter has a temperature coefficient ~±15ppm/°C. Kelvin contacts are provided for the voltage output. Panel-mount RS resistors have values from 41.7μΩ to 20mΩ (±0.25%). There are sub-versions here: ...

Bourns has created a surface-mount thin-film resistor series with AEC-Q200 compliance for automotive use. Model CRT-A resistors are available with tolerance of ±0.1, ±0.25, ±0.5 or ±1%, and temperature coefficients of ±50, ±25, ±15 or ±10ppm/°C. These compact, yet high power-rated resistors offering accurate resistance levels are increasingly required in space-constrained applications such as mobile phones, SD cards, DDR memory ...