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Film Capacitors

Film capacitors, also known as plastic film capacitors, are used in a variety of applications and are characterized by their stability over a wide temperature range, low current leakage, superior radiation tolerance and long life. The most common types of film capacitors are polyester, polystyrene, polypropylene, polycarbonate film capacitors and metalized polypropylene film capacitors.

947D481K132DGRSN Application Field and Working Principle

The 947D481K132DGRSN is a special type of polyester film capacitor which is specifically designed for electronic automotive applications. The 947D481K132DGRSN is designed to provide a combination of low equivalent series resistance (ESR) and high capacitance values, making it ideal for high current, high frequency circuitry. It can also withstand temperatures of up to 105°C. The 947D481K132DGRSN is constructed from a non-inductive metalized polyester film which is dielectrically sealed between two metalized electrodes. The active component is formed into a winded cap form and secured with an epoxy potting to provide greater mechanical stability. The 947D481K132DGRSN capacitors offer high capacitance in a relatively small form-factor, enabling them to be used in numerous circuit design applications.

Advantages of 947D481K132DGRSN

• High capacitance values
• Low equivalent series resistance
• High frequency operation
• Low current consumption
• Stable over a wide temperature range
• Outstanding radiation tolerance
• Long life

Applications of 947D481K132DGRSN Film Capacitors

The 947D481K132DGRSN is typically used in automotive electronics applications where its superior characteristics and performance provide consistent reliable operation. These applications include the filtering of noise and switching signals generated by DC motors and other components, and the protection of certain components from electrical surges. Other applications include the modulation of power electronic switch pockets, the stabilization of power supplies and the elimination of high frequency resonances.

Conclusion

The 947D481K132DGRSN is a special type of polyester film capacitor designed for automotive applications. It offers a combination of low ESR and high capacitance values, making it ideal for high current, high frequency circuitry. Additionally, the 947D481K132DGRSN can tolerate temperatures of up to 105°C and is resistant to most types of radiation. It is used in a variety of automotive electronics applications, such as noise and surge suppression, power modulation and power supply stabilization.

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