CD10FA331GO3

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Mica and PTFE capacitors, comprised of mica and polytetrafluoroethylene (PTFE) dielectrics, are a type of surface mount (SMD) capacitors. These capacitors often feature a high dielectric constant, good temperature stability, and high maximum operating voltages. The CD10FA331GO3 is one such construction of these capacitors, comprised of a combination of mica and PTFE.

The CD10FA331GO3 is similar to other mica and PTFE capacitors in application field and working principle. It is primarily used in power conditioning and signal signal conditioning circuits, providing filtering to stabilize voltages and reduce noise. The capacitor works by providing a low impedance path for alternating currents of a certain frequency, while blocking direct current (DC). The use of dielectric mica and PTFE materials allows the capacitor to offer a wide range of frequencies and reasonably low thresholds, without the need for parasitic inductance. Additionally, due to the method of construction of the capacitor, it is able to maintain its capacitance rating with minimal derating out to 80°C, making it ideal for use in high temperature or wide temperature range applications.

In terms of construction, the capacitor consists of a metallized polyester/polyimide film, mica, and PTFE dielectrics. The multi-layer construction allows for the capacitor to be supplied in a SMD format, with a 1005 footprint. Both lead-free terminals and RoHS compliant finishes are available, making it ideal for applications where environmental regulations must be closely adhered to. CD10FA331GO3 is offered in a wide variety of capacitance values and voltage ratings, starting from 0.1 µF (160 volts) and going up to 47 µF (800 volts). Furthermore, the device comes with a rated temperature range of -55°C to +125°C.

In terms of performance, the CD10FA331GO3 is very reliable and consistent in its performance. The basic parameters are quite stable, with only a small amount of variance between units. The long-term performance is also solid, with little to no capacitance or dissipation factor shifts over time, even with 5000 hours of operation. In terms of temperature coefficient and voltage coefficient, the device shows very little change in performance over the rated temperature range, with only a very slight rise in capacitance and dissipation along with temperature.

The CD10FA331GO3 is well suited for a variety of high reliability and automotive applications. The all round performance, as well as the ability to work in a temperature range of -55°C to +125°C, makes it ideal for demanding applications such as boost converters, motor drives, automotive power supplies, and mobile power sources. Additionally, its small size makes it suitable for use in space-constrained designs.

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