Email this article Improving quality of noise suppression in power supply circuits by means of B36 filters
- Authors: Makhin D.1, Sizikov A.1
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Affiliations:
- ООО «Кулон»
- Issue: No 6 (227) (2023)
- Pages: 66-69
- Section: Electronic components
- URL: https://journals.eco-vector.com/1992-4178/article/view/632388
- DOI: https://doi.org/10.22184/1992-4178.2023.227.6.66.69
- ID: 632388
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Abstract
The article describes a design of feedthrough 3-terminal filters and their advantages versus traditional multilayer ceramic capacitors in noise suppression in power supply circuits. It gives the characteristics of B36 filter series produced by Kulon LCC.
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About the authors
D. Makhin
ООО «Кулон»
Author for correspondence.
Email: mahin@kulon.spb.ru
главный конструктор
Russian FederationA. Sizikov
ООО «Кулон»
Email: magazine@technosphera.ru
коммерческий директор
Russian FederationSupplementary files
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1.
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2.
Fig. 1. The principle of operation of the blocking capacitor
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Fig. 2. Schematic dependence of the capacitor impedance modulus on frequency
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Fig. 3. Equivalent capacitor circuit. RD and SD are the resistance and capacitance of dielectric absorption, REP and LEP are equivalent series resistance and inductance, respectively, RU is the leakage resistance
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Fig. 4. The scheme of formation of equivalent series resistance and inductance and the path of the interference current in a multilayer ceramic capacitor
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6.
Fig. 5. The layout of the contacts (a), the metallization of the layers (b) and the connection of the layers to the contacts (c) of the three-contact flow-through ceramic filters B36. The metallization of the layers is shown in a darker color
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7.
Fig. 6. Formation of four parallel current flow paths in a three-contact flow-through ceramic filter
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