Overview of TDK Metallized Polyester Film Capacitors (MKT) Series B32520 B32529
The TDK Metallized Polyester Film Capacitors (MKT) Series B32520 B32529, as outlined in the datasheet dated June 2018 by EPCOS AG, a TDK Group Company, are designed for various general-purpose applications. These capacitors are particularly suitable for blocking, coupling, decoupling, and bypassing radio-frequency interference (RFI) in automotive environments. The datasheets elaborate on the capacitors’ features, construction, dimensions, applications, and delivery modes.
Climatic and Temperature Specifications
The capacitors can operate at a maximum temperature of 125°C and fall under the climatic category 55/125/56 as per IEC 60068-1.2013 standards, which signifies the range of environmental conditions these capacitors are designed to withstand.
Construction Details
The primary dielectric material used is polyethylene terephthalate (better known as polyester or PET), with two distinct technologies employed depending on the lead spacing: stacked-film technology for lead spacing of 5 to 15 mm and wound capacitor technology for lead spacing of 10 to 37.5 mm. The capacitors also feature a plastic case and epoxy resin sealing that both meet the UL 94 V-0 flammability standard.
Dimensions and Lead Specifications
Information is provided on the dimensions and lead specifications, with varying lead spacing options ranging from 5.0 mm to 37.5 mm and corresponding lead diameters provided for different types within the series, labeled B32520 through B32529.
Features and Compliance
Highlighted features of the MKT series capacitors include high pulse strength, high contact reliability, and compliance with RoHS standards. Halogen-free variants are available upon request. These capacitors are AEC-Q200D compliant, making them suitable for automotive applications demanding high reliability. The terminals are constructed from parallel wire leads with lead-free tinning, and options for special lead lengths are available on request. Each capacitor is marked with the manufacturer’s logo, rated capacitance, capacitance tolerance, rated DC voltage, and other relevant information for identification and quality assurance.
Delivery and Packaging Options
Capacitors in the B32520 to B32529 series can be ordered in bulk (untaped) or in taped form, either in an Ammo pack or on a reel. Details about taping are referred to in a specific chapter related to taping and packing.
References:
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