Ultra-micro resistance with high safety

By setting high-temperature resistant wiring sleeves and linkage blocks on ultra-miniature resistors and threaded engagement with connecting parts, the problems of electrode oxidation and installation difficulties during welding are solved, achieving stable resistor connection and low defect rate welding.

CN224595310UActive Publication Date: 2026-08-04NANCHONG YIHUI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202521701358.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-12
Publication Date
2026-08-04
Estimated Expiration
2035-08-12

AI Technical Summary

Technical Problem

Existing ultra-miniature resistors are prone to electrode oxidation or resistance film damage due to high temperatures during the welding process, and are difficult to install and position, resulting in a high welding failure rate.

Method used

A high-temperature resistant wiring sleeve was designed to cover the connection between the resistor and the electrode. Through the threaded engagement of the linkage block and the connector, combined with the positioning screw and the limit nut, the resistor and the circuit board are precisely positioned and stably connected.

Benefits of technology

This effectively avoids electrode oxidation and resistance film damage, reduces welding defect rate, and ensures stable installation of ultra-miniature resistors in confined spaces and stability of current transmission paths.

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Abstract

The utility model discloses a supermicro resistance of high security, specifically related to resistance technical field, including resistance body, be provided with connecting assembly on the resistance body, the connecting assembly includes the connecting piece of setting in resistance body one side, the outside of connecting piece and resistance body all sets up the wiring cover, the inner wall one side of wiring cover is provided with linkage block, linkage block is with connecting piece screw thread connection, the both ends of resistance body are provided with electrode respectively, and the bottom of each electrode is provided with pin respectively. The utility model connecting assembly in linkage block and connecting piece are through the thread cooperation, can pass through the relative position of rotating adjustment wiring cover and resistance body, cooperate the locking function of fixed screw and limit nut, can accurate adaptation the installation space of different circuit board, simultaneously, the through -hole on pin can cooperate with the positioning post of circuit board pad, reduces the deviation when welding, reduces the defective rate such as false welding, wrong welding obviously.
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