B25834L5156K9

Operating Temperature:	-25°C ~ 85°C
Features:	--
Ratings:	--
Applications:	Commutating; Damping
Lead Spacing:	1.378" (35.00mm)
Termination:	Screw Terminals
Height - Seated (Max):	3.386" (86.00mm)
Size / Dimension:	2.362" Dia (60.00mm)
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount
Series:	B25834
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	750V
Tolerance:	±10%
Capacitance:	15µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction:

Film capacitors, also known as film dielectric capacitors, are commonly used electronic components which employ a film of insulating material as the dielectric. They are well suited for use in applications which require very high precision, stability and frequency characteristics. A very common example of film capacitors is the B25834L5156K9, which has a myriad of uses in the electronic industry due to its advanced characteristics and working principle.

Application Field:

The B25834L5156K9 is most notably found in various consumer electronics. It is often employed as a bypass, blocking or filtering capacitor. It is predominantly used in digital and low-level signal circuits as part of the analog circuit design where a high precision and stability are necessary. Furthermore, it is also advantageous in some specific applications such as switching power supplies and digital displays where the capacitor must endure transient voltage and discharge load spikes.

Working Principle:

The B25834L5156K9 is a film dielectric capacitor and as such, its unique features make it ideal for use in a range of circuits with different characteristics. Its working principle relies heavily on the dielectric material it uses, which is a film made up of polyethylene terephthalate (PET). The PET film is sandwiched between two aluminum foils which are connected to two electrodes. This construction creates a parallel plate capacitor, where the capacitance is determined by the surface area of the aluminum electrodes, as well as their separation, and the permittivity of the PET film. In a circuit, voltage is applied to the aluminum plates, thus generating electric fields. As electrons flow from one plate to the other, an electric field is created between the two, creating a potential difference and causing current to pass through the capacitor, forming an electric charge, resulting in a capacitance that is proportional to the electric field’s strength.

Conclusion:

The B25834L5156K9 is a powerful and versatile film capacitor which is widely used in various applications requiring high precision and stability. Its unique characteristics allow designers to use it in switching power supplies, digital displays, and other electronic products. Its working principle relies on the dielectric material of the PET film, and the electric field created by the two aluminum plates, generating a capacitance that is proportional to the electric field’s strength.

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