BN154L0333K--

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.575" (14.60mm)
Size / Dimension:	0.697" L x 0.343" W (17.70mm x 8.70mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	BN
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	1000V (1kV)
Voltage Rating - AC:	450V
Tolerance:	±10%
Capacitance:	0.033µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors, also known as plastic film capacitors or dielectric film capacitors, are electronic components that are used to store electrical charge and to discharge energy. These capacitors are composed of a film dielectric or insulating material and are generally available in a wide variety of sizes, shapes, and technical specifications. The BN154L0333K is a film capacitor that has a rated voltage (DC) of 250 volts and a capacitance tolerance of 20%. It is a small, surface mountable axially leads capacitor that is designed for mounting on PC boards. It is also considered to be more reliable and has a longer life than traditional capacitors, making it ideal for many industrial applications.

Application Field and Working Principle

The BN154L0333K has a wide range of applications due to its ability to store and discharge energy. It is commonly used in industrial electronics, automotive, medical, audio, inverter, and other high-power electronics. This type of capacitor can also be used in high voltage applications such as power line circuit protection and power conditioning in narrow spaces. The working principle of the BN154L0333K is based on the principle of electric charge storage. When a voltage is applied to the capacitor, the capacitor stores energy in the form of electrical charge on its two plates. The amount of charge that can be stored depends on the capacitance, or capacitance tolerance, of the capacitor. The higher the capacitance, the greater the charge that can be stored. When the voltage is removed, the stored charge is discharged and the capacitor is reset. In addition to storing electrical charge, the BN154L0333K is also able to provide high voltage and current filtering to circuits in order to suppress the effect of electrical noise. It also acts as a buffer by providing temporal isolation between the input and output to a circuit, preventing damage to other components.

Advantages

The BN154L0333K has several advantages over other film capacitors, including a superior self-healing capability, high temperature tolerance, and low ESR. The self-healing capability of the capacitor allows it to maintain its rated capacitance even after a fault occurs in the circuit. This is achieved by the “break-down” of the dielectric material, allowing current to flow through the capacitor and restoring the capacitor to its original condition. In addition, the capacitor is designed to be able to withstand high temperatures, making it suitable for use in a wide range of environments. The low ESR, or equivalent series resistance, of the capacitor also prevents excessive current from flowing through the capacitor, ensuring that the capacitor maintains its rated performance.

Conclusion

The BN154L0333K is a film capacitor that is widely used in many industrial applications due to its superior self-healing capability, high temperature tolerance, and low ESR. Its ability to store and discharge energy, as well as provide high voltage and current filtering and buffer temporal isolation, make it a reliable and cost-effective component for many electronic applications.

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