The TDK Group has recently released a new generation of EPCOS CeraLink®, which provides an extremely compact solution for buffering and DC links of SiC- and GaN-based fast switching converters. These new capacitors are based on the ceramic material PLZT (lead zirconate titanate). Compared to conventional ceramic capacitors, CeraLink can achieve its maximum capacitance value when applied voltage is applied. This capacitance controls the ripple voltage better with the corresponding increase in voltage.
The smallest of the CeraLink series is the SMD low profile model, which measures only 4.25 mm x 7.85 mm x 10.84 mm, is rated at 500 V DC, and has a capacitance of 1 μF. In addition, a solder pin crimping model is also available. The capacitor has a capacitance of 20-μF, a rated voltage of 500 V DC, and a size of 33.00 mm x 22.00 mm x 11.50 mm. Both models have very low ESL values ​​of less than 3.5nH. This series of capacitors is designed for operation from -40 to +125 °C and can withstand temperatures up to 150 °C in a short time.
Due to its compact size, the CeraLink SMD low profile capacitor has the advantage of being embedded in the IGBT module, minimizing the inductance value, so that no significant overvoltage occurs when the semiconductor device is turned on and off.
In addition, we offer samples of more than two models: SMD models are rated at 500 V DC, with a capacitance of 5 μF and a size of 13.25 mm x 14.26 mm x 9.35 mm; the voltage rating of the solder pin crimping model is 1000. V DC, capacitance value 5μF, size 33.00 mm x 22.00 mm x 11.50 mm.
main application
· Snubber circuits and DC-link circuits for SiC and GaN power semiconductors
Main advantages and features
· ESL value is extremely low, less than 3.5 nH
· Operating temperature range: -40 °C to +125 °C, can withstand transient high temperatures up to +150 °C
· Rated voltages of 500 and 1000 V DC
· Capacitance values ​​are 1μF, 5μF and 20μF
· Can be embedded in IGBT module
The cable assembly provides the overall service equipment for a load source group, such as trunk lines, switchgear, control systems, etc.
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Cable assembly mainly customized products with a wide variety. It is difficult to have a unified fully automated general-purpose equipment. We welcome new equipment and new technologies, and maximize the automation level of production, so that products can be as efficient as possible on the premise of ensuring quality. And maintain the consistency and stability of the product, effectively reducing the dependence on skilled employees.
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