行业组件数据 · 2026

主端子(阳极/阴极)

Main terminals in SCR modules for high-current electrical connections between silicon-controlled rectifiers and external circuits.

技术定义与适配语境
典型 主端子(阳极/阴极) 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

Main terminals (anode/cathode) are critical electrical connection points in Silicon-Controlled Rectifier (SCR) modules, designed to handle high current loads and provide reliable interfaces between the semiconductor device and external power circuits. These terminals facilitate the controlled rectification of alternating current to direct current in industrial applications.

组件规格

定义
Main terminals (anode/cathode) are critical electrical connection points in Silicon-Controlled Rectifier (SCR) modules, designed to handle high current loads and provide reliable interfaces between the semiconductor device and external power circuits. These terminals facilitate the controlled rectification of alternating current to direct current in industrial applications.
工作原理
The anode and cathode terminals serve as the primary electrical pathways for current flow through the SCR. When a gate signal triggers the SCR, current flows from the anode to the cathode terminal, enabling power control in AC-to-DC conversion circuits.
材料
Copper alloy (typically C11000 or C10100) with tin or silver plating for enhanced conductivity and corrosion resistanceinsulating materials include ceramic or high-temperature thermoplastics.
Current Rating
50-1000A
Voltage Rating
600-1600V
Temperature Range
-40°C to +125°C
Contact Resistance
<0.5mΩ
Insulation Resistance
>1000MΩ
标准
ISO 9001DIN EN 60146

行业分类与别名

主端子(阳极/阴极) 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Loose terminal connections->Increased contact resistance leading to overheating and potential thermal runaway->Implement torque-controlled fastening and regular maintenance inspections
Material degradation from environmental exposure->Reduced conductivity and eventual connection failure->Use corrosion-resistant plating and protective enclosures

工业生态与工程逻辑

0
Overheating due to high current loads
1
Corrosion in humid environments
2
Mechanical stress from vibration

合规与检测

tolerance
±0.1mm for terminal dimensions, ±5% for electrical specifications
test method
High-potential testing, thermal cycling, vibration testing per IEC 60747 standards

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between anode and cathode terminals in SCR modules?

The anode terminal is the positive input where current enters the SCR, while the cathode terminal is the negative output where current exits after rectification.

How do main terminals affect SCR module performance?

Main terminals directly impact current-carrying capacity, thermal management, and electrical reliability; poor terminal design can lead to overheating, voltage drops, or connection failures.

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