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High performance, ultra-compact, more reliable: "Small and beautiful" power electronic capacitors!

Latest update time:2024-09-04
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In the field of power electronics, capacitors have a wide range of applications. For example, power electronic devices such as frequency converters, power supplies and photovoltaic inverters usually require stable power supply and efficient energy conversion. At this time, high-performance capacitors are needed to provide charge storage and energy transfer functions. In addition, capacitors also play an important role in power grids. They can be used for power factor correction of power grids to improve the efficiency and stability of power grids. They can also be used for filtering and interference suppression to ensure signal quality and stability.













As a well-known manufacturer in the capacitor field, EPCOS / TDK's aluminum electrolytic capacitors have excellent ripple current capability and long-term high reliability. Among them, the B43659 series solder sheet aluminum electrolytic capacitor is a new product launched by EPCOS / TDK. With its high performance, miniaturization, and ease of use, it is highly favored in various industry applications such as inverters, wind power, photovoltaic inverters, professional power supplies and uninterruptible power supplies (UPS), and medical treatment.

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EPCOS / TDK B43659
Ultra-compact snap-in capacitors

(Image source: Mouser Electronics)

01

Product Introduction

The B43659 series is a more compact general-purpose aluminum electrolytic capacitor product with an operating voltage of 450V (DC) and a higher CV value. The main functions and application range are the same as those of the previously launched series products. It is worth noting that while this series of ultra-compact capacitors provides ultra-high capacitance density, its size is more compact, only 22mm x 25mm to 35mm x 50mm (diameter x height), the capacitance range is 140µF to 1030µF, and the tolerance is ±20%. The capacitor adopts a snap-in solder pin design, which can be easily installed on the printed circuit board and has an aluminum shell insulated by a PET sleeve.

02

Adjustable version design

The new generation of B43659 series capacitors comes standard with a 2-terminal version (length 6.3mm or 4.5mm), and can also provide a version with 3 terminals (length 4.5mm) according to actual application needs to ensure correct installation.

03

Other Features

Other key performance features of the B43659 series include:

  • High ripple current capability, up to 7.01A (120Hz, +60°C);

  • Temperature range: -40°C to +105°C, with a service life of ≥2000 hours at a maximum operating temperature of +105°C. Engineers can use the web-based AlCap online tool to quickly calculate the service life of components under specified application conditions.

  • In addition, the B43659 also provides overload protection through a pressure relief device on the base.



Summarize

In short, capacitors, as key core components in the field of electronics, provide key support for the stable operation of power systems and are widely used.


EPCOS / TDK's B43659 series ultra-compact snap-on capacitors feature ultra-compact design, higher performance indicators, excellent reliability, and RoHS compatibility, making them very useful for achieving smaller terminal system designs. They are "small and beautiful" products. For various power electronics applications that require high-performance capacitors, such as high-end power supplies, frequency converters, uninterruptible power supplies, medical equipment, and photovoltaic inverters, the B43659 series is an ideal choice that deserves attention.


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