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AVX rolls out high-voltage automotive-grade capacitors

14 May 2015  | Christoph Hammerschmidt

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AVX Corp. has brought to market a line-up of high voltage, multilayer ceramic (MLC), radial-leaded capacitors qualified to AEC-Q200 and rated for 1kVDC. The SV series capacitors are designed with C0G (NP0) Class I dielectric materials that exhibit an extremely low dissipation factor, detailed the company.

The SV series capacitors feature radial leads that enable the mechanical decoupling of the MLC chip from the board, and provide the maximum mechanical stress relief necessary for harsh automotive applications. Conformally coated to eliminate the potential for arc flashover, the capacitors also exhibit excellent high frequency performance and capacitance retention with frequency.

Standard automotive applications that SV series capacitors target include: underhood sensors (e.g., oxygen, EATC blower, fuel pump, anti-lock brake, front crash, headlight, and park and turn light sensors), water pumps, motor controls and temperature regulation systems. Hybrid automotive applications include battery controls, inverter/converter circuits, and both wired and wireless charging stations, such as combined magnetic resonant induction chargers, DC/DC converters, and hybrid control and clutch control units (HCUs and CCUs).

SV series capacitors

In addition to automotive applications, SV series capacitors are also suited for high frequency power converters, resonators, snubbers, and general and SMPS power supplies, and can be used for AC line filtering, high voltage AC coupling and high voltage DC blocking.

SV series capacitors are available in three case sizes, three tolerances (J, ±5 per cent; K, ±10 per cent; and M, ±20 per cent), and with capacitance values spanning 1,000pF to 0.015μF. Rated for use in temperatures ranging from -55°C to 125°C, the series is also available with both tin/lead and RoHS-compliant leads. All three case sizes are 5.08mm thick, but their length and height varies; SV05/SV55 cases measure 11.9mm x 10.2mm, SV13/SV63 cases measure 7.62mm x 9.14mm, and SV14/SV64 cases measure 10.2mm x 11.7mm. Packaged on tape and reel in 1,000-piece quantities, SV series capacitors feature standard lead times, and pricing is available upon request.

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