R76QI21004040J

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	High Frequency, Switching; High Pulse, DV/DT
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.398" (10.10mm)
Size / Dimension:	0.709" L x 0.157" W (18.00mm x 4.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	R76
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	1000V (1kV)
Voltage Rating - AC:	600V
Tolerance:	±5%
Capacitance:	10000pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as polymer capacitors or plastic film capacitors, are electrical components used to store electrical energy and to act as a voltage regulator. They are most commonly used in audio amplifiers, signal processing, DC blocking, coupling and filtering applications. The R76QI21004040J is a popular capacitor in this category, widely used for its reliable performance, miniature and lightweight design, and durability.

Application Field of the R76QI21004040J

The R76QI21004040J is suitable for a variety of applications. It is often used in audio amplifiers and signal processing equipment due to its low ESR and improved insulation stability. It can also be used in DC blocking, coupling, and filtering circuits. Additionally, the capacitor is frequently used in military and medical equipment.

Working Principle of the R76QI21004040J

Film capacitors, such as the R76QI21004040J, work by storing electrical energy in a dielectric material. When a voltage is applied to the capacitor, an electrical field forms between the two electrodes, causing electrons to move from one electrode to the other. This movement of electrons creates a charge on the capacitor, which can be used for various applications.

Advantages and Disadvantages

The R76QI21004040J capacitor offers a number of benefits compared to alternative components such as ceramic capacitors. It has a much lower ESR (equivalent series resistance) and insulation stability, allowing for better performance in audio amplifiers and other applications. The capacitor is also characterized by its compact size and relatively lightweight design, making it an ideal choice for devices with space or power restrictions.Despite its many advantages, there are some potential disadvantages to the R76QI21004040J capacitor. It has a lower temperature rating than other types of capacitors and may need to be replaced more often. Additionally, its small size can make the device more vulnerable to problems such as breaks and shorts.

Conclusion

The R76QI21004040J is a popular film capacitor in the electronics industry, thanks to its small size, lightweight design and reliable performance. It is particularly useful for audio amplifiers, signal processing, DC blocking, coupling and filtering applications. Despite some potential drawbacks, the R76QI21004040J can be a great choice for users who need a powerful, dependable capacitor without sacrificing size or power.

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