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    • 1. 发明授权
    • Ferrite common mode choke adapted for circuit board mounting
    • 铁氧体共模扼流圈适用于电路板安装
    • US5455552A
    • 1995-10-03
    • US237451
    • 1994-05-03
    • Alexander Metsler
    • Alexander Metsler
    • H01F17/04H01F27/29H01F15/02H01F27/30
    • H01F27/29H01F17/04
    • A common mode choke has a generally rectangular ferrite body for surface mounting on a printed circuit board. First and second spaced apart slotted openings extend vertically between the top face and the bottom face of the ferrite body. At least one pair of electrical conductors extend along parallel paths from the bottom face through the first slotted opening to the top face, along a portion of the top face, and back down through the second slotted opening to the bottom face. One pair of opposing side faces preferably has lower portions extending outwardly past a plane of the bottom face to thereby serve as a support to mount the bottom face of the ferrite body in spaced relation from the circuit board. The electrical conductors may then extend outwardly from the bottom face of the ferrite body for electrical connection through corresponding openings of a circuit board or extend laterally outwardly for electrical connection to corresponding portions of the circuit board in a gull wing configuration. A continuous upstanding ridge may be formed around the periphery of the top face of the ferrite body and defines a recess at the top face of the ferrite body. A sealant may be positioned within the recess defined by the upstanding ridge for forming a continuous top face to facilitate automated handling of the common mode choke.
    • 共模扼流圈具有用于表面安装在印刷电路板上的大致矩形的铁氧体。 第一和第二间隔开的开槽开口在铁氧体的顶面和底面之间垂直延伸。 至少一对电导体沿着平行路径沿着顶面的一部分从底面穿过第一开槽开口延伸到顶面,并且通过第二开槽开口向下延伸到底面。 一对相对的侧面优选地具有向下延伸穿过底面的平面的下部,从而用作支撑件以与电路板隔开的距离安装铁氧体的底面。 电导体然后可以从铁氧体的底面向外延伸,用于通过电路板的相应开口进行电连接,或者横向向外延伸,以电连接到鸥翼结构中电路板的相应部分。 可以在铁氧体的顶面的周边周围形成连续的直立脊,并在铁氧体的顶面形成凹部。 密封剂可以定位在由直立脊限定的凹部内,以形成连续的顶面,以便于共模扼流圈的自动处理。
    • 2. 发明授权
    • Ferrite common mode choke adapted for circuit board mounting
    • US5568111A
    • 1996-10-22
    • US432082
    • 1995-05-01
    • Alexander Metsler
    • Alexander Metsler
    • H01F17/04H01F27/29H01F15/02H01F27/30
    • H01F27/29H01F17/04
    • A common mode choke has a generally rectangular ferrite body for surface mounting on a printed circuit board. First and second spaced apart slotted openings extend vertically between the top face and the bottom face of the ferrite body. At least one pair of electrical conductors extend along parallel paths from the bottom face through the first slotted opening to the top face, along a portion of the top face, and back down through the second slotted opening to the bottom face. One pair of opposing side faces preferably has lower portions extending outwardly past a plane of the bottom face to thereby serve as a support to mount the bottom face of the ferrite body in spaced relation from the circuit board. The electrical conductors may then extend outwardly from the bottom face of the ferrite body for electrical connection through corresponding openings of a circuit board or extend laterally outwardly for electrical connection to corresponding portions of the circuit board in a gull wing configuration. A continuous upstanding ridge may be formed around the periphery of the top face of the ferrite body and defines a recess at the top face of the ferrite body. A sealant may be positioned within the recess defined by the upstanding ridge for forming a continuous top face to facilitate automated handling of the common mode choke.