行业组件数据 · 2026

阳极/阴极端子

Anode and cathode terminals are critical electrical connection points in thyristors and triacs that control current flow direction and device triggering.

技术定义与适配语境
典型 阳极/阴极端子 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。

Anode and cathode terminals are the primary electrical interfaces in thyristors and triacs, semiconductor devices used for power control. The anode serves as the positive terminal where conventional current enters, while the cathode is the negative terminal where current exits. These terminals facilitate the bidirectional or unidirectional current flow essential for switching and phase control applications in AC circuits.

组件规格

定义
Anode and cathode terminals are the primary electrical interfaces in thyristors and triacs, semiconductor devices used for power control. The anode serves as the positive terminal where conventional current enters, while the cathode is the negative terminal where current exits. These terminals facilitate the bidirectional or unidirectional current flow essential for switching and phase control applications in AC circuits.
工作原理
The anode and cathode terminals operate based on semiconductor PN junction principles. In thyristors, current flows from anode to cathode when a gate signal triggers the device, maintaining conduction until current drops below the holding threshold. In triacs, these terminals allow bidirectional current control, enabling AC switching by responding to gate pulses in both polarities.
材料
Copper alloy (typically C11000 or C10100) with tin or silver plating for enhanced conductivity and corrosion resistance. Terminal bodies may use high-temperature thermoset plastics (e.g.phenolicPBT) for insulation.
Terminal Type
Quick-connect, screw, or solder lug
Current Rating
1A to 100A
Voltage Rating
50V to 1600V
Temperature Range
-40°C to +125°C
Contact Resistance
<5mΩ
Insulation Resistance
>1000MΩ
标准
IEC 60747-6JEDEC JESD77UL 508

行业分类与别名

阳极/阴极端子 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->Intermittent operation or complete circuit failure->Use proper torque specifications and periodic inspection
Corrosion from environmental exposure->Increased contact resistance and overheating->Apply protective coatings and use corrosion-resistant materials
Thermal cycling stress->Cracking of terminal insulation or solder joints->Design with thermal expansion compensation and use flexible connections

工业生态与工程逻辑

0
Overheating due to high current
1
Poor connection leading to arcing
2
Corrosion affecting conductivity
3
Mechanical stress causing fracture

合规与检测

tolerance
±0.1mm for terminal dimensions, ±5% for electrical specifications
test method
IEC 60747-6 for semiconductor devices, UL 508 for industrial control equipment

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

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 thyristors?

The anode is the positive terminal where current enters, while the cathode is the negative terminal where current exits. In thyristors, conduction occurs from anode to cathode when triggered.

Can anode and cathode terminals be interchanged in triacs?

No, they have specific polarities. However, triacs can conduct current in both directions between MT1 and MT2 terminals (main terminals), with the gate controlling triggering for both polarities.

What materials are used for these terminals?

Typically copper alloys with tin/silver plating for conductivity, with insulating bodies made of high-temperature plastics like phenolic or PBT.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 电气设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 阳极/阴极端子

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 阳极/阴极端子?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
防水密封垫
下一个组件
阳极端子
URN:CNFX:ME:UNIT:ANODE_CATHODE_TERMINALS