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PPI announces expanded variable capacitors

23rd September 2024
Harry Fowle
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PPI has announced a new expanded range of film trim and 3mm trimmer capacitors.

Also known as a trimmer capacitor, these are designed for fine adjustments or calibration in RF Circuits providing the ability to vary capacitance, allowing precise tuning and optimisation of electronic circuits in LC filters, radio transmitters & receivers, quartz oscillators, low noise amplifiers, and NMR coil systems.

Film trim capacitors, available in 4 series sizes for antennas, transmitters, RF and Test equipment, are offered in PTFE (standard or High Temperature), Polyimide, Polypropylene, or Polycarbonate dielectrics with a wide range of modifications & variations (such as capacitance ranges, terminal sizes & shapes, or extended shafts).

PPI 3mm trimmer capacitors, for NMR/MRI applications/pre-amplifiers, commercial instrumentation, RFID, and tuneable filter circuits, are available in 3 series. Capacitance ranges vary at 1.5pF to 40pF, depending on the series. These half-turn adjustment capacitors have a working voltage of 100-350V (depending on series) and are RoHS Compliant.

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