W3F11A2218AT3A

Series:	W3F
Packaging:	Tape & Reel (TR)
Part Status:	Active
Capacitance:	220pF
Tolerance:	-20%, +50%
Voltage - Rated:	100V
Current:	300mA
DC Resistance (DCR) (Max):	600 mOhm
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	--
Temperature Coefficient:	C0G, NP0
Ratings:	AEC-Q200
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric), 4 PC Pad
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height (Max):	0.050" (1.27mm)
Thread Size:	--

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Feed Through Capacitors

W3F11A2218AT3A Application Field and Working Principle

Feed through capacitors, also known as feed-through, thru-hole, array or doorknob capacitors are a type of high-frequency capacitors. They are commonly used in RF applications where the capacitance need to be high and the signal must pass through the capacitor. W3F11A2218AT3A is a feed-through capacitor that is typically used in RF circuits. In this article, the application field and working principle of W3F11A2218AT3A are discussed.

Application Field

W3F11A2218AT3A is specifically designed for use in high-frequency circuits, such as RF power supplies, amplifiers and oscillators. It is designed to provide optimum performance in bandwidths ranging between 20MHz and 500MHz. This makes it an ideal choice for applications such as transmitters, receivers, mixing system and power amplifiers. The capacitor also offers good shielding performance due to its high DC breakdown voltage.

Working Principle

W3F11A2218AT3A is a through-hole capacitor, which means it can be used to create an electrical connection between two circuits. The capacitor consists of two metal electrodes, one at each end, that are separated by a dielectric layer. When a voltage is applied across the two electrodes, a current is generated in the dielectric layer. This current is what creates the electrical connection. In terms of operation, the capacitor functions as a high-pass filter. This means it is able to pass high-frequency signals while blocking low-frequency signals. The capacitor also has a high self-resonant frequency, which ensures that it is able to achieve a very high Q-factor. The high Q-factor allows the capacitor to provide improved signal to noise ratio, which means it can deliver better performance in RF applications. Additionally, the capacitor also has a high current-handling capacity, meaning it can be used to carry a substantial amount of current. This makes it suitable for applications such as pulsed power supply systems and high-current applications.

Conclusion

W3F11A2218AT3A is a through-hole capacitor specifically designed for high-frequency applications, such as RF applications. Its high frequency range, high Q-factor, high current carrying capacity and excellent signal to noise ratio make it an ideal choice for RF circuits. It is also capable of providing excellent shielding performance due to its high DC breakdown voltage.

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