10A board mount EMC filter offers differential mode performance
TDK Corporation announces the introduction of the iDQ series of 10A, 48Vdc nominal EMC filter modules. With high on-board capacitance, the filters are suitable for use with DC/DC converters, minimising the need for external components and thus saving on PCB area.
Rated for a maximum voltage of 75VDC, the iDQ has a differential mode attenuation of 63dB at 300kHz measured with a 50Ω source and load impedance. The compact filter measures just 50mm in length, 15mm in width, with a height of 10.8mm. The iDQ will operate without forced air cooling in ambient temperatures of -40 to +85ºC.
Utilising TDK component technology, system level compliance to FCC and CISPR is made easier. A pin is provided for the addition of extra capacitance to further enhance common mode performance. The iDQ has 1500VDC isolation from ground; enabling operation in systems where the ground is connected to either the positive or negative input.
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