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Feed Through Capacitors

YFF21SC1E103MT009N application field and working principle

Feed through capacitors, also known as transmission line capacitors, are capacitor-based components that are used to provide electrical filtering and/or decoupling functionality in signal lines and circuits. The YFF21SC1E103MT009N is a general purpose feed through capacitor from Murata Electronics, suitable for a range of applications.

The YFF21SC1E103MT009N is a miniature SMD (surface mount device) type capacitor with a capacitance of 0.01μF (10nF) and a rated voltage of 50V-DC. It has a ceramic capacitor element and the SMD package measures 2.0mm x 1.25mm x 0.8mm, with a 0.5mm pitch. It is rated to a reflow temperature of 245°C.

Applications

Feed through capacitors, such as the YFF21SC1E103MT009N can be used in a wide variety of applications such as signal filtering, decoupling noise and protecting circuits from power transients. The YFF21SC1E103MT009N is typically used for storing energy in an LCD backlight driver circuit, as well as being applied as surge protection when used in conjunction with a resistor. It is also suitable for use in power conditioning circuits for devices such as cameras, printers, phones, computers, or other electronic products, as it can provide a good level of component protection in high RF interference environments.

Working principle

The YFF21SC1E103MT009N capacitor consists of two electric conducting plates (the terminals) which are separated by an insulating material (the dielectric). When the two terminals are supplied with AC or DC voltage, an electrical field is created between them, which stores a certain amount of electrical energy. This stored energy is released into the circuit each time the voltage is reversed. This is known as the capacitance effect. The YFF21SC1E103MT009N capacitor can be used to reduce noise and help protect the circuit against power transients, by storing the energy and releasing it at a later time.

The YFF21SC1E103MT009N capacitor is designed to handle a maximum operating temperature of 105°C and a maximum solder temperature of 270°C. It is compliant with RoHS and REACH regulations, and is compatible with use in a lead-free wave soldering process. It also has an electrolytic resistance of 1000MΩ minimum.

Conclusion

Feed through capacitors, such as the YFF21SC1E103MT009N are a versatile component that can be used in a wide variety of applications. The YFF21SC1E103MT009N is a miniature SMD capacitor, rated to a reflow temperature of 245°C and designed to suit a number of applications from signal filtering to power conditioners. Its use carries a range of benefits such as noise and power transient protection, component protection and energy storage capabilities.

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