Protection element
A technology for protecting components and components, applied to electrical components, emergency protection devices, circuits, etc.
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no. 1 approach
[0070] figure 1 It is a schematic plan view of an example of the protective element according to the first embodiment. figure 2 will be figure 1 The protection elements shown along the figure 1 The schematic diagram of the section cut by the line II-II' in image 3 will be figure 1 The protection elements shown along the figure 1 The schematic cross-sectional view cut by the line III-III' in .
[0071] Figure 1 ~ Figure 3 The protection element 100 shown includes a first electrode 1 , a second electrode 2 having a spring characteristic, and a fuse element material 3 arranged between the first electrode 1 and the second electrode 2 . The fuse element material 3 is sandwiched and supported by the first electrode 1 and the second electrode 2 in a bent state.
[0072]
[0073] The first electrode 1 is made of a conductive material. As the conductive material, for example, metals (including alloys) can be used. Examples of specific conductive materials include copper, ...
no. 2 approach
[0108] Figure 9 is a schematic plan view of the protection element according to the second embodiment. Components using the same reference numerals as in the first embodiment have the same configuration, and description thereof will be omitted. In addition, even if the code|symbol differs from 1st Embodiment, the description of the component with the same function may be abbreviate|omitted.
[0109] The main difference between the protection element according to the second embodiment and the protection element according to the first embodiment is that the first electrode and the second electrode have external terminal holes. That is, the protection element according to the first embodiment is used separately with an external terminal attached thereto, but the protection element according to the second embodiment has a structure in which the first electrode and the second electrode are integrally formed with the external terminal.
[0110] in particular, Figure 9 The prote...
no. 3 approach
[0118] Figure 11 and Figure 12 is a schematic diagram of a protection element according to the third embodiment, Figure 11 is a stereogram, Figure 12 From Figure 11 Schematic side view viewed in the direction of arrow A shown. Components using the same reference numerals as in the above-mentioned embodiment have the same configuration, and description thereof will be omitted. In addition, even if the code|symbol differs from the said embodiment, the description of the member with the same function may be omitted. exist Figure 12 In , the dotted line of S-S represents the thickness direction of the first electrode 51 and the second electrode 52 of the parts (parts that do not substantially change even after the fuse element material 3 is cut) 51B and 52B except for the claw parts. The surface obtained by connecting the center planes (S-S plane).
[0119] The main difference between the protection element according to the third embodiment and the protection element ...
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