Power factor correction capacitors’ coating improves dissipation

Power factor correction (PFC) capacitors in the DeltaCap X Black Premium range are designed for a long service life, says TDK.

The EPCOS MKD B32305A capacitors for PFC have rated voltages between 440 and 850V AC. The capacitors with an internal delta connection are designed for PFC and filtering of harmonics at the low-voltage level. Capacitance values of three x 51 micro Farad to three x 165 micro Farad allow power correction performances from 20 to 44kvar (50/60Hz) per capacitor.

The special black coating improves the dissipation of heat, says TDK, achieving a very long service life of up to 300,000 hours in accordance with temperature class -40/D.

The rugged construction enables the B32305A series capacitors to withstand a maximum inrush current of 500 x IR, temperatures of up to +65 degrees C and perform up to 62,000 operating cycles per year.

The DeltaCap X Black Premium types are self-healing and equipped with an over-pressure disconnector which isolates all three phases from the grid in the event of damage. The impregnation, based on biodegradable soft resin, has an additional positive effect on the heat dissipation.

The capacitors are suitable in industrial networks for use, with or without reactors, in both conventional and dynamic PFC systems and also for use in tuned resonant circuits in industrial power grids and harmonic filters.

TDK is an electronics company based in Tokyo, Japan. It was established in 1935 to commercialise ferrite, a key material in electronic and magnetic products. TDK’s portfolio features passive components such as ceramic, aluminium electrolytic and film capacitors, as well as magnetics, high-frequency, and piezo and protection devices. The portfolio also includes sensors and sensor systems such as temperature and pressure, magnetic, and MEMS sensors. In addition, TDK provides power supplies and energy devices and magnetic heads.

The company’s brand names are TDK, EPCOS, InvenSense, Micronas, Tronics and TDK-Lambda. TDK focuses on demanding markets in the areas of information and communication technology and automotive, industrial and consumer electronics. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America.


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