Vishay RFCS RF capacitor range

Saturday, 09 June, 2012 | Supplied by: Future Electronics

Vishay has launched a surface-mount thin film RF capacitor with, what is claimed to be, the highest self-resonance frequency, ranging from 8.5 to upwards of 20 GHz, depending on capacitance. This RFCS series replaces the previous generation HPC product range.

The devices have a Q of 260-70,500 at 100 MHz and 10-3190 at 1 GHz. The capacitors are rated for a working voltage of up to 50 and feature a capacitance range of 0.2 to 27 pF with a tolerance of ±5%.

With a thin film capacitor-on-silicon construction, the series is designed for RF circuits that require good performance at frequencies up to 20 GHz. The structure is based on thin film electrodes deposited on a highly conductive silicon substrate characterised by ultralow parasitic inductance which allows the component to self-resonate at higher frequencies.

The capacitors are suitable for impedance matching circuits, decoupling, DC blocking, lumped element filters and other circuit applications requiring ultrathin components such as smart credit cards and SIM cards. Typical end-products in which the device will be used include test and measurement equipment, RF receivers and transmitters, high-frequency data transfer (telecom, datacom, etc) and other applications with operating frequencies greater than 5 GHz.

Phone: 03 9262 0600
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