Electronic Component Solutions

Appliance inlet filters with ground choke

Power entry module series extended with versions including a ground line choke, designed for suppressing high-frequency interference on the ground conductor. Additionally, the new variants have a bigger X-capacitor for better symmetrical attenuation. The C20F filter series combines an IEC C20 appliance inlet with a high-quality mains filter. The particularly wide metal flange makes contact with the housing surface over a large area, thus enabling optimum filtering and shielding.

New variants of the C20F appliance inlet filters are equipped with a ground choke. The line filters have a second choke on the earth conductor in addition to the current-compensated choke on the pole and neutral conductor. The ground choke is located between the device plug and the filter output. Placing it directly at the mains input ensures that possible high-frequency interference currents on the earth conductor cannot bypass the filter via the housing. Medical filters in particular (no Y-capacitors) benefit from improved asymmetrical attenuation in the higher frequency range due to the ground choke.

Ratings IEC 16 A @ Ta 40 °C / 250 VAC; 50 Hz
Ratings UL/CSA 20 A @ Ta 40 °C / 250 VAC; 60 Hz
Leakage Current standard < 0.5 mA (250 V / 60 Hz)
medical < 5 µA (250 V / 60 Hz)
Dielectric Strength > 1.7 kVDC between L-N
> 2.7 kVDC between L/N-PE
Test voltage (2 sec)
Allowable Operation Temperature -25 °C to 85 °C
atic Category 25/085/21 acc. to IEC 60068-1
IP-Protection from front side IP40 acc. to IEC 60529
Protection Class Suitable for appliances with protection class I acc. to IEC 61140
Terminal Solder, quick connect or wires (stranded)
Panel Thickness Screw: max 8 mm
Mounting screw torque max 0.5 Nm
Snap-in: 1 mm to 3 mm
Material: Housing Thermoplastic, black, UL 94V-0

C20F Datasheet

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