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Vishay
Silicon RF Capacitors
Vishay
announced the release of the industry's first silicon-based
RF capacitors, a technology breakthrough that boosts
electrical performance while greatly reducing the
board space required for circuitry in end products
including mobile phones, cordless phones, and global
positioning systems.
Built
on a proprietary Vishay process, the new silicon-based
capacitors provide the same broad range of capacitance
values as conventional capacitors while delivering
superior stability over a wide frequency range, high
Q factors, low ESR values, and highly accurate dimensions.
Typical applications for the new devices will include
wireless communications, GPS, VCO, filter and matching
networking, power amplifiers, and Smart cards (HPC0402B
and HPC0402C).
The
construction decreases the distance between components,
reducing parasitic lines and improving circuit performance.
Vishay's unique design also brings the capacitor's
self-resonant frequency (SRF) to ultra-high frequencies.
The device's bump structure eliminates the tombstone
effect, providing a flat top area for better pick-and-place
assembly and allowing board-size reductions of up
to 45%.
Applications
Include:
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Smart
cards (HPC0402B/C) |
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Wireless
Communications, Coupling, Decoupling, Resonant,
Snubber |
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Mobile
& Cordless Phones |
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GPS |
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VCO |
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Filter
& Matching Networks |
Features
& Benefits:
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New
technology surface mount capacitor based on a
special semi-conductor process |
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Capacitance
is extremely stable in a wide range of frequencies
from 1MHz to several GHz |
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Low parasitic inductance |
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Ultra High SRF (self-resonance frequency) |
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Tight
Tolerances ±1% or 0.o5pF |
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High
Q and Low ESR |
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Very
Low Profile (HPC0402B/C) |
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