Summary of TDK Metallized Polyester Film Capacitors (MKT) – Series B32520 B32529 Datasheet
The TDK Metallized Polyester Film Capacitors (MKT) Series B32520 B32529 datasheet provides detailed information on these general-purpose capacitors designed for various applications in electronics, particularly within automotive contexts. Released in June 2018 by EPCOS AG, a TDK Group Company, the datasheet describes the construction, features, and usage guidelines for the capacitors.
TDK’s MKT capacitors are meticulously engineered with a dielectric made of polyethylene terephthalate (PET). Their design includes both stacked-film and wound capacitor technology to accommodate different lead spacing requirements, ranging from 5 to 37.5 mm. Encased in a plastic housing rated UL 94 V-0, these capacitors are further secured with epoxy resin sealing, thus enhancing their durability and longevity.
A prominent feature of these capacitors is their excellent pulse strength and high contact reliability. Moreover, they meet the demands of environmental and safety standards as they are RoHS compliant, and halogen-free versions can be provided upon request. For the automotive industry, adherence to AEC-Q200D specifications makes them a reliable component choice for applications that require robust performance under stringent conditions.
The applications for the MKT capacitors span across a variety of functions that include blocking, coupling, decoupling, bypassing, and acting as RFI (Radio-Frequency Interference) filters in automotive systems. These versatile components have an operating temperature maximum of 125°C and fall under the climatic category 55/125/56 as per the IEC 60068-1.2013 standard.
On a practical note, the capacitors come with parallel wire leads that are lead-free tinned, and special lead lengths are available upon request to suit specific needs. For identification, the capacitors are marked with the manufacturer’s logo, capacitance value, tolerance, and rated DC voltage alongside the date of manufacture. Depending on the lead spacing, additional coding is used to specify series and lot number.
Regarding packaging, EPCOS offers these capacitors in both bulk and taped formats, which include Ammo pack or reel options. The section “Taping and packing” of the datasheet should be consulted for more detailed information on the packaging. Additionally, the end of the document contains important notes on cautions and warnings to ensure the proper handling and usage of these components.
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