Abstract: The invention relates to an electrical filter element (1) for filtering alternating voltage interference. The electrical filter element (1) comprises two dielectric circuit board substrates (11, 12) having a magnetic core (13) arranged between the circuit board substrates. The magnetic core (13) has a material-free inner region (13a), in which electrical connection elements (21-24) are provided between the two dielectric circuit board substrates (11, 12). Furthermore, electrical connection elements (31, 32) can also be provided between the two dielectric circuit board substrates (11, 12) in an outer region of the magnetic core (13).

Abstract: The invention relates to an electrical filter element (1) for filtering alternating voltage interference. The electrical filter element (1) comprises two dielectric circuit board substrates (11, 12) having a magnetic core (13) arranged between the circuit board substrates. The magnetic core (13) has a material-free inner region (13a), in which electrical connection elements (21-24) are provided between the two dielectric circuit board substrates (11, 12). Furthermore, electrical connection elements (31, 32) can also be provided between the two dielectric circuit board substrates (11, 12) in an outer region of the magnetic core (13).

Abstract: A contacting arrangement between an electrical component and a circuit carrier, the component being connected to a connection element formed as a part separate from the component, and the connection element being electroconductively contacted directly with the circuit carrier via at least one press-fit connection.

Abstract: A contacting arrangement between an electrical component and a circuit carrier, the component being connected to a connection element formed as a part separate from the component, and the connection element being electroconductively contacted directly with the circuit carrier via at least one press-fit connection.

Abstract: An electronic circuit unit (1) comprising at least one electrical or electronic device (8) with at least one terminal contact (101), the at least one terminal contact (101) being connected in an electrically conducting manner to at least one terminal pad (100), at least one terminal contact (101) and at least one terminal pad (100) are surrounded in the region of the electrical point of contact by an electrically insulating compound (9), the electrical or electronic device (8) being arranged outside the electrically insulating compound (9).

Abstract: An electronic circuit unit (1) comprising at least one electrical or electronic device (8) with at least one terminal contact (101), the at least one terminal contact (101) being connected in an electrically conducting manner to at least one terminal pad (100), at least one terminal contact (101) and at least one terminal pad (100) are surrounded in the region of the electrical point of contact by an electrically insulating compound (9), the electrical or electronic device (8) being arranged outside the electrically insulating compound (9).

Abstract: The invention relates to a control device (100) for charging an electrical energy store (T5), comprising: a network filter device (T1), which is designed to limit electrical interferences of an input AC voltage (U1); a power rectifier circuit device (T2), which is coupled to the network filter device (T1) and is designed to convert the input AC voltage (U1) into a rectified input voltage (U2); a full bridge device (T3) which is coupled to the power rectifier circuit device (T2) and is designed to convert the rectified input voltage (U2) into a high-frequency AC voltage (U3); a transformer device (TRF 1), which is coupled to the full bridge device (T3) and is designed to convert the high-frequency AC voltage (U3) into a transformed AC voltage (U4); a rectifier circuit device (T4) which is coupled to the transformer device (TRF1) and is designed to convert the transformed AC voltage (U4) into a rectified output voltage (U5); and an output choke (DL1) which is coupled to the rectifier circuit device (T4) and is

Abstract: Method for detecting a change in mass with a quartz crystal impedance-scanning microbalance, which can be connected to an evaluation device, wherein the quartz crystal microbalance is designed to transmit the measurement points recorded at a predetermined data recording rate as raw data to the evaluation device, including at least the following steps: linearly fitting the measurement points of the raw data to a fractional rational function and determining at least one resonance frequency from the fitted measurement points of the raw data, wherein a change in the at least one resonance frequency corresponds to an effective change in mass.

Abstract: An overvoltage protection circuit is provided for at least one branch of a half-bridge which includes a controllable semiconductor switch element and a free-wheeling diode connected in series and situated on a common circuit substrate. The protection circuit includes a commutation branch connected in parallel with the half-bridge branch, the commutation branch including at least one commutation capacitor also situated on the circuit substrate.

Abstract: Method for detecting a change in mass with a quartz crystal impedance-scanning microbalance, which can be connected to an evaluation device, wherein the quartz crystal microbalance is designed to transmit the measurement points recorded at a predetermined data recording rate as raw data to the evaluation device, comprising at least the following steps: linearly fitting the measurement points of the raw data to a fractional rational function and determining at least one resonance frequency from the fitted measurement points of the raw data, wherein a change in the at least one resonance frequency corresponds to an effective change in mass.