Vehicle-mounted noise filter
A technology of noise filter and capacitor, applied in transformer/inductor parts, circuits, electrical components, etc., can solve the problems of preventing noise attenuation, high noise frequency, increase of noise occurrence frequency, etc., and achieve high noise attenuation performance Effect
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[0038] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a schematic diagram for explaining an example of arrangement of components of an in-vehicle noise filter according to a first embodiment of the present invention. FIG. 1( a ) is a top view, and FIG. 1( b ) is a cross-sectional view taken along line b-b of FIG. 1( a ). As shown, the vehicle-mounted noise filter according to the first embodiment of the present invention mainly includes a ground plate 1 , a coil 2 , a pair of capacitors 3 a and 3 b , and a conductive shield plate 4 . These components are housed in a housing 30 made of insulating material.
[0039] The ground plate 1 is provided for grounding of the vehicle body. When the noise filter is installed, the ground plate 1 is fixed to a vehicle body (not shown) and is electrically connected to the noise filter. The ground plate 1 is provided on the rear surface side of the housing 30 so...
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