WMC2D68K-F

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.185" Dia x 0.469" L (4.70mm x 11.90mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	WMC
Dielectric Material:	Polyester
Voltage Rating - DC:	250V
Voltage Rating - AC:	125V
Tolerance:	±10%
Capacitance:	6800pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also commonly referred to as plastic film capacitors, are capacitors that use thin plastic films as the dielectric material. These capacitors are used as components in high-frequency circuits, such as radio and television, and in audio-visual and other applications. One of the most popular types of film capacitors is the WMC2D68K-F, which is commonly used in consumer and industrial electronics. In this article, we will discuss the application field and working principle of the WMC2D68K-F.

Application Field

The WMC2D68K-F is a type of metalized film capacitor that is designed for use in a variety of electronic products. It is commonly used in consumer electronics, such as radio and television, as well as industrial electronics. It is also ideal for a variety of audio and video applications, including digital filters, computer-controlled audio systems, and electronic musical instruments. The WMC2D68K-F has a capacitance range of 68000kF (kilo Farads) and a working voltage of 100Vac (Vac, voltage alternating current). This type of capacitor has a small size (17x5x20mm) and a low self-resonant frequency (SRF) of 7.5MHz. It also has a high ripple current value of 0.25µA (microampere) and a high insulation resistance of 15,000MΩ (megohms). The WMC2D68K-F is also highly reliable, with a maximum life of 5,000 hours at full load or 300C temperature. It is also highly efficient, with a power rating of 3W. The low voltage rating makes it suitable for use with sensitive circuit designs.

Working Principle

The WMC2D68K-F works on a principle known as capacitance. Capacitance is the ability of a material to store electrical energy in the form of an electric field. The capacitor consists of two metal plates separated by a dielectric material, such as a thin plastic film. When a voltage is applied across the plates, the dielectric material stores energy between the two plates. The WMC2D68K-F is a two-layer capacitor. The inner layer is made from a thin metal film, while the outer layer is made from a thicker metal film. The inner layer has a higher capacitance than the outer layer due to the lower dielectric constant of the metal and the higher electric field strength. This makes the capacitor ideal for high-voltage, high-current applications. The WMC2D68K-F also has an attractive ripple current value. The value is calculated by dividing the peak value of the ripple current by the value of the capacitance. As the capacitance increases, the ripple current value decreases. This makes the capacitor suitable for high-frequency applications, such as radio and television.

Conclusion

The WMC2D68K-F is a versatile and reliable type of film capacitor. It is ideal for use in consumer and industrial electronics, audio and video applications, and even sensitive electronic circuit designs. It has a high insulation resistance, a low voltage rating, and a low self-resonant frequency. Its high ripple current value makes it suitable for use in high-frequency applications. It is a popular choice for many electronic devices and systems.

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