Temperature compensated zener diode for transient suppression
阅读：791发布：2020-10-02
专利汇可以提供Temperature compensated zener diode for transient suppression专利检索，专利查询，专利分析的服务。并且A Zener diode unit having zero temperature coefficient for breakdown voltage, for power applications in ground vehicle and aircraft electrical systems for shielding of voltage-sensitive solid-state circuits against voltage transients.，下面是Temperature compensated zener diode for transient suppression专利的具体信息内容。
1. A temperature compensated Zener diode combination comprising a plurality of stacked PN junction wafers in additive electrical series, each PN junction having a Zener breakdown voltage of about 5.5 volts, whereby said Zener diode combination has a breakdown voltage equal to the sum of the breakdown voltages of the stacked wafers, a pair of thin temperature coefficient of expansion matching elements sandwiching and bonded to each PN junction wafer in the stack, a flat circular heat sink element between each pair of wafer sandwiches in the stack, all of said wafer sandwiches and said heat sink elements being bonded together in conducting relationship, a housing nesting said stacked wafer sandwiches and heat sink elements and having a pair of terminal connections in series therewith, the interior of said housing being circular and having a circular recess for each heat sink element, each of said flat circular heat sink elements extending to the surrounding housing and into respective recesses in the housing for heat transfer to the housing, and electrical insulation between the heat sink elements and the housing.
2. The combination defined in claim 1 wherein, the thicknesses of the heat sink elements are graduated, the central heat sink element being thickest and the end heat sink elements being thinnest.
3. The combination defined in claim 1 wherein said housing includes a cup-shaped member wherein one terminal connection is an integral extension of the cup-shaped member and a cover member electrically engaging the contiguous end of the stack, and electrical insulation separating the cover member and the cup-shaped member, the other of said pair of terminal connections being an integral extension of said cover member.
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