High Voltage Capacitors

2nd April 2007

ES Admin

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UK capacitor manufacturer, Syfer Technology, is a leading supplier of high voltage and high capacitance radial lead devices, not only RoHS compliant, but also with CECC approvals. The range featured in its latest catalogue extends to 5kV, but Syfer offers custom designs for specialist applications up to 10kV, if required. Such high voltage parts are essential for some medical equipment, for example, such as X-ray systems.

Standard ranges are supplied with tin terminations, and all internal solder joints are lead-free. RoHS compliant parts are clearly labelled with a ‘C42’ suffix. For applications currently exempt from the RoHS directive, such as aerospace equipment, and where there are concerns about the risks of tin whiskers, tin-lead wire versions are available from Syfer. All devices in all the ranges can be assembled on to boards using both conventional wave soldering, and also the higher temperature lead-free wave soldering techniques.

Available in both X7R and ultra-stable C0G dielectrics, capacitance ranges are 100pF up to 4.7mF and 3.9pF to 180nF, respectively. Syfer is the only European supplier of CECC approved radial lead capacitors, often mandatory for European aerospace applications.

Prices are particularly competitive, and depend on capacitance, voltage and quantity ordered. All catalogue parts are readily available in production volumes from the UK factory, based in Norwich, Norfolk, on lead times from 4 weeks.