Spring cage and screw dock block: Which one is best for your PCB application?

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Posted by Ningbo Zhongbo Photovoltaic Technology Co., Ltd. On Jun 04 2025

弹簧笼(推入)终端:

  • 优点:

    • 快速安装:只需插入剥离的电线 - 不需要工具(通常需要释放工具)。大幅度减少了组装时间。

    • 较高的振动阻力:春季保持恒定压力,防止在高振动环境(工业机械,车辆)中松动。

    • 可靠的联系人:恒定力确保稳定的连接,减少维护需求。

  • 缺点:

    • 通常,每极的初始成本比基本螺钉类型高。

    • 电线插入/拆卸需要特定的工具(通常是小螺丝刀)。

    • 可能略低绝对最大电流评分大于等效尺寸的螺钉块。

螺钉端子:

  • 优点:

    • 较低的成本:通常是最经济的选择,尤其是对于大量的低复杂性应用。

    • 广泛的兼容性:普遍理解并接受非常广泛的电线类型(固体,滞留,滞留)和仪表。

    • 高电流容量:非常适合非常高的固定夹具至关重要的非常高电流的应用。

    • 视觉检查/扭矩:连接完整性很容易看到,并且可以通过扭矩验证。

  • 缺点:

    • 较慢的安装需要扭矩控制的螺丝刀才能保持一致性。

    • 由于振动或不当拧紧(下/过度扭曲)而导致连接松动的风险。

    • 电线损坏的潜力如果过度污垢。

判决:

  • 选择弹簧笼:速度,振动阻力,可靠性和维护降低(自动化,控制面板,运输)。

  • 选择螺丝端子:成本敏感性,最大电流处理,宽线兼容性以及优选视觉扭矩检查的应用。

考虑您的优先事项 - 速度和弹性还是成本和蛮力?我们提供两种技术以满足您的特定要求。

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