When we buy food, we look at the production date and shelf life on the packaging, and likewise, the wiringhigh quality din 41612 type q connectorsalso have a certain safe life. Terminal products stored for a period of time under certain environmental conditions, the material may change, product performance will also decline, long-term use, the reliability of the product will not be guaranteed. Miao Liang Xiao Bian take you to talk about the "shelf life" of high quality din 41612 type q connectors.

The "shelf life" of the terminal refers to the storage time from the completion of production and inspection to the storage time under certain environmental conditions before installation, and the effective storage period of the terminal refers to the quality and reliability of the terminal during the storage period to meet the equipment requirements before installation, and the basic validity period refers to the effective storage period without considering the quality grade of the terminal.

Factors affecting terminal storage life

The effective storage life of the terminal is related to the following three factors:

1. The quality of wiring terminals is the basic condition to ensure that the quality and reliability of wiring terminals will not be significantly degraded during the effective storage period;

2. Environmental conditions of terminal storage;

3. Qualification criteria of terminal after storage.

The storage environment of terminal blocks is specified in the general specifications and detailed specifications of most terminal blocks.

For example, SJ331 specifies the environmental conditions for semiconductor integrated circuit storage: -10℃ ~ +40℃, RH80%; The temperature range of the semiconductor integrated circuit storage environment is -65 C to +150 C. However, what is specified in these standards is only a storage environment that is not allowed to exceed the range, rather than a better environment for terminal storage. GB4798.1 provides that the warehouse environment level for storing precision instruments and terminal blocks is advanced, and the environmental conditions are: 20 C ~ 25 C; RH is 20% ~ 70%; The air pressure is 70kPa ~ 106kPa. QJ2222A provides two types of conditions for general storage environment and special storage environment.

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