A power module for operating an electric vehicle drive, comprising power switches for generating an output current based on an input current; control electronics for controlling the power switches including a first region, to which a first electric potential is applied, and a second region, to which a second electric potential is applied, wherein the second electric potential is higher than the first electric potential; a heatsink for discharging heat generated by the power switches and the control electronics; a shielding layer for electrically shielding the control electronics placed between the heatsink and the control electronics, such that the control electronics lies on the shielding layer, and the shielding layer lies on the heatsink; wherein the shielding layer is designed to connect the heatsink thermally and electrically to the first region, and thermally to the second region, and electrically insulate it therefrom.

A receiver or transmitter designed for a broad range of frequencies requires a pre-select filter for incoming signals or a post-select filter for outgoing signals to minimize spurious signal responses. In conventional receivers, several discrete RF filters are used and a switched filter bank is created utilizing a large amount of space. A filter bank comprising a plurality of stacked shielded filters would enable different filter technologies and topologies to be used together, as other passive and active circuits may be combined into the one surface mountable component in order to save on PCB space.

A power module structure includes a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, wherein the fourth metal layer is connected to the second metal layer via a connecting bridge; at least one first switch including a first end connected to the third metal layer and a second end connected to the second metal layer; and at least one second switch including a third end connected to the fourth metal layer and a fourth end connected to the first metal layer; wherein the projection of the first metal layer and the projection of the third metal layer are overlapped to form a first overlapping area; wherein the direction of the current flowing through the first metal layer is opposite to the direction of the current flowing through the third metal layer.

A joystick device is provided. The joystick device includes a housing, a joystick assembly, a reset assembly, a translation assembly, and a circuit board. A magnetic component is located on the translation assembly, and a magnetic induction element is located on the circuit board. The joystick assembly pushes the translation assembly to translate, and the magnetic induction element generate an output that changes with the movement of the translation assembly. A handle using the joystick device also provided.

An electronic device includes a system board, a power module and a conductive part. The system board includes a first surface and a second surface opposite to each other. The power module is disposed on the second surface and provides power to the semiconductor device through the system board. The conductive part is disposed on a first side of the power module adjacent to the second surface, wherein the conductive part is electrically connected with the and the system board, wherein the power is transmitted between the and the semiconductor device through the conductive part. The power module includes at least one switch circuit and a magnetic core assembly. The at least one switch circuit disposed on a second side of the power module away from the conductive part. The magnetic core assembly is arranged between the switch circuit and the conductive part.

A method and apparatus for arranging fuses in a printed circuit board includes a power input configured to connect to a power source, at least one electrical component connected to the power input, a first output connected to the at least one electrical component and configured to connect to a load, and a fuse disposed between the at least one electrical component and the first output, and having a first trip rating.

An electronic module is provided including power switches mounted on a circuit board and configured as an inverter circuit for an electric motor. A sliding member is coupled to an actuator. A power contact switch is provided including a first conductive body, a second conductive body, and a contact switch. The first and second conductive bodies are mounted on a first surface of the circuit board and include pins received through through-holes of the circuit board to make electrical contact with two conductive tracks on a second surface of the circuit board. The contact switch pivotably is secured to the first conductive body and pivotably moveable by the sliding member to make contact with the second conductive body with movement of the actuator. A flyback diode is electrically connected between the first and second conductive track on the second surface of the circuit board parallel to the power contact switch.

A low noise relay includes a main body part provided with a terminal on a first surface thereof. A cover part is coupled to the terminal and the first surface of the main body part. The cover part is electrically connected to the terminal of the main body part. A vibration reduction part is connected and electrically coupled to the cover part. The vibration reduction part is configured to support the main body part to be suspended in air. A pin part is configured such that a first side of the pin part is connected with and electrically connected to the vibration reduction part.

An apparatus may include a breadboard. The breadboard may include a substantially flat board, which may include a top surface and a bottom surface. The top surface may be disposed opposite the bottom surface. The board may include one or more openings disposed in the board. The apparatus may include a pallet. The pallet may include a top surface and a bottom portion disposed opposite the top surface. The pallet may include a plurality of risers, which may be disposed on the bottom portion and extend in a direction opposite the top surface. The bottom surface of the breadboard may be mountable to the top surface of the pallet. One or more circuit breakers may be disposable on the top surface of the board of the breadboard. The breadboard and pallet may be reusable in transporting circuit breakers.

A signal switch for a power tool has a paddle supported by a rocker that extends into a switch housing to pivot an actuating member. A circuit board is attached to a bottom of the switch. At least one micro-switch extends from the circuit board into the switch in position to be actuated by the actuating member depending on a position of the paddle. The circuit board includes a connector that is configured to connect to a cable, such as a ribbon cable. Circuit traces on the circuit board are electrically connected to the micro-switches and the electrical connector. The interior of the switch housing is sealed from the exterior environment so that the mechanical components of the switch are shielded from the environment.