CN218039165U

CN218039165U - Semiconductor discharge tube

Info

Publication number: CN218039165U
Application number: CN202222177657.8U
Authority: CN
Inventors: 于荣江
Original assignee: Yuanxu Microelectronics Shenzhen Co ltd
Current assignee: Yuanxu Microelectronics Shenzhen Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-13
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to a semiconductor technology field's semiconductor discharge tube, including semiconductor chip, cardboard and plastic casing, semiconductor chip installs in the plastic casing, first pin is installed to semiconductor chip's top surface, the second pin is installed to semiconductor chip's bottom surface, and the one end of first pin and the one end of second pin all extend the plastic casing, two reference columns are installed to the bottom surface of plastic casing, the side of reference column is offered and is used for fixed annular draw-in groove, two card holes have been seted up to the top surface of cardboard, all install in the card hole be used for with reference column complex rand. The utility model discloses the reference column that sets up can play location and fixed effect, and the cardboard is placed in the bottom surface of circuit board, then puts the tube insert circuit board with the semiconductor, and it is fixed with the rand in the cardboard through the reference column, the utility model discloses a mode installation of joint need not the welding, plug-and-play, and easy to assemble changes.

Description

Semiconductor discharge tube

Technical Field

The utility model relates to a semiconductor technology field specifically is semiconductor discharge tube.

Background

Discharge tubes are common overvoltage protection devices in modern communication equipment, which protect the communication equipment from lightning strikes and surges, are damaged parts, and therefore need to be replaced more frequently.

Most of the existing semiconductor discharge tubes are connected with a circuit board by adopting welding pins, so that the installation and the replacement are troublesome, and the welding pins are soft and are easy to break to damage the semiconductor discharge tubes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above defect, provide semiconductor discharge tube.

In order to solve the technical problem, the utility model adopts the following technical scheme: semiconductor discharge tube, including semiconductor chip, cardboard and plastic casing, semiconductor chip installs in the plastic casing, first pin is installed to semiconductor chip's top surface, the second pin is installed to semiconductor chip's bottom surface, and the one end of first pin all extends the plastic casing with the one end of second pin, two reference columns are installed to the bottom surface of plastic casing, the annular draw-in groove that is used for fixing is seted up to the side of reference column, two card holes have been seted up to the top surface of cardboard, all install in the draw-in hole be used for with reference column complex rand.

Furthermore, a protrusion matched with the clamping groove extends in the clamping ring.

Furthermore, the surface of the clamping plate is provided with an insulating layer.

Further, the collar is made of rubber.

The beneficial effects of the utility model are as follows:

compared with the prior art, the utility model discloses the reference column that sets up can play location and fixed effect, and the cardboard is placed in the bottom surface of circuit board, then puts the tube insert circuit board with the semiconductor, and is fixed through the rand in reference column and the cardboard, the utility model discloses a mode installation of joint need not the welding, plug-and-play, and easy to assemble changes.

Drawings

FIG. 1 is a schematic structural diagram of a semiconductor discharge tube according to the present invention;

FIG. 2 is a schematic view of a clip structure of the semiconductor discharge tube of the present invention;

in the figure: the structure comprises a plastic shell 1, a semiconductor chip 2, a first pin 3, a second pin 4, a positioning column 5, a clamping plate 6, a clamping ring 7 and a protrusion 8.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, a semiconductor discharge tube implemented in the semiconductor discharge tube includes a semiconductor chip 2, a clamping plate 6 and a plastic housing 1, the semiconductor chip 2 is installed in the plastic housing 1, a first pin 3 is installed on a top surface of the semiconductor chip 2, a second pin 4 is installed on a bottom surface of the semiconductor chip 2, one end of the first pin 3 and one end of the second pin 4 both extend out of the plastic housing 1, two positioning pillars 5 are installed on the bottom surface of the plastic housing 1, an annular clamping groove for fixing is formed in a side surface of each positioning pillar 5, two clamping holes are formed in the top surface of the clamping plate 6, clamping rings 7 for matching with the positioning pillars 5 are installed in the clamping holes, and protrusions 8 for matching with the clamping grooves extend into the clamping rings 7. And an insulating layer is arranged on the surface of the clamping plate 6. The collar 7 is made of rubber.

The utility model discloses reference column 5 that sets up can play location and fixed effect, and cardboard 6 is placed in the bottom surface of circuit board, then puts the semiconductor discharge tube and inserts the circuit board, and it is fixed with rand 7 in cardboard 6 through reference column 5, the utility model discloses a mode installation of joint need not the welding, plug-and-play, and easy to assemble changes, and the cooperation of arch 8 and draw-in groove enables fixed more stable, and rand 7 of rubber material can increase frictional force, makes the difficult pine of connection take off.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention is disclosed in the above description in terms of preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art will be able to make any changes or modifications to equivalent embodiments without departing from the scope of the present invention, and all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. Semiconductor discharge tube, including semiconductor chip, cardboard and plastic casing, its characterized in that: semiconductor chip installs in the plastic casing, first pin is installed to semiconductor chip's top surface, the second pin is installed to semiconductor chip's bottom surface, and the plastic casing is all extended to the one end of first pin and the one end of second pin, two reference columns are installed to the bottom surface of plastic casing, the side of reference column is offered and is used for fixed annular draw-in groove, two card holes have been seted up to the top surface of cardboard, all install in the card hole be used for with reference column complex rand.

2. The semiconductor discharge tube of claim 1 wherein: a projection matched with the clamping groove extends in the clamping ring.

3. The semiconductor discharge tube of claim 1 wherein: the surface of the clamping plate is provided with an insulating layer.

4. The semiconductor discharge tube of claim 1 wherein: the retainer ring is made of rubber.