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    Vishay Announces Automotive Grade MLCCs to Deliver Industry-High +175 °C Operating Temperature

    Automotive Operating Conditions

    Space-Saving, Radial-Leaded Devices Are Built for Extreme Automotive Operating Conditions

    Vishay Inter technology, has  announced a new series of Automotive Grade, radial-leaded multilayer ceramic chip capacitors (MLCCs) built for the most extreme automotive operating conditions. Vishay BCcomponents K…H series “HOTcap” devices combine an industry-high operating temperature of +175 °C for all available ceramic dielectrics with a wide capacitance range from 100 pF to 1 μF and low capacitance tolerances as tight as ± 5 %.

    To accommodate the extremely harsh operating conditions of automotive applications, K…H series devices are equipped with an MLCC insert produced in a unique wet build process and featuring noble metal electrodes. AEC-Q200-qualified with PPAP available on request, the leaded MLCCs are more robust to mechanical stress and can withstand higher operating temperatures than SMD parts, while saving space by eliminating the need for a PCB. This makes the devices ideal for EMI filtering in automotive applications such as exhaust gas and seat position sensors; cable harnesses; and turbo charger, throttle valve, and brake system controls.

    Featuring an ultra-stable C0G dielectric with a capacitance change of ± 30 ppm/K and a new X0U dielectric that fulfills the X7R specification of ± 15 % from -55 °C to +125 °C and ± 22 % from -55 °C to +175 °C, the Ceramic Class 1 and 2 MLCCs offer straight or crimped leads with spacing of 2.5 mm and 5.0 mm. The devices’ lead wires measure 0.5 mm or 0.6 mm and are constructed of 100 % tinned copper-clad steel. Nickel wires — ideal for welding — are available upon request. The RoHS-compliant capacitors offer a coating made of flame-retardant epoxy resin in accordance with UL 94 V-0.

    Device Specification Table:

    Ceramic class 1 2
    Ceramic dielectric C0G X0U
    Voltage (VDC) 50 100 200 50 100 200
    Min. capacitance (pF) 100 100 100 47,000 47,000 82,000
    Max. capacitance (pF) 12,000 12,000 8,200 1,000,000 470,000 180,000

    Samples and production quantities of the extended K…H series will be available in Q2 2016, with lead times of eight weeks.

    For more information visit:

    ELE Times Bureau
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