行业组件数据 · 2026

高压电阻元件

High-voltage resistor elements are precision components designed to limit current flow and dissipate power in high-voltage electrical circuits, typically operating above 1kV.

技术定义与适配语境
典型 高压电阻元件 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。

High-voltage resistor elements are specialized passive electrical components engineered to provide precise resistance values in circuits operating at voltages exceeding 1,000 volts. These elements are constructed with materials and geometries that prevent arcing, corona discharge, and thermal runaway under high electric field stress. They serve critical functions in voltage division, surge protection, energy dissipation, and current limiting applications within high-voltage systems.

组件规格

定义
High-voltage resistor elements are specialized passive electrical components engineered to provide precise resistance values in circuits operating at voltages exceeding 1,000 volts. These elements are constructed with materials and geometries that prevent arcing, corona discharge, and thermal runaway under high electric field stress. They serve critical functions in voltage division, surge protection, energy dissipation, and current limiting applications within high-voltage systems.
工作原理
High-voltage resistor elements operate on the principle of Ohm's Law (V=IR), where they introduce controlled resistance to limit current flow in high-voltage circuits. They dissipate electrical energy as heat through resistive materials while maintaining structural integrity under high electric field gradients. Special designs incorporate elongated paths, graded materials, and encapsulation to prevent voltage breakdown and ensure stable performance across temperature variations.
材料
High-purity ceramic substrates (aluminasteatite)metal oxide films (ruthenium oxidetin oxide)carbon compositionwire-wound alloys (nichromemanganin)silicone or epoxy encapsulationceramic or polymer housingssilver or nickel termination layers.
Tolerance
±1% to ±10%
Power Rating
1W to 100W
Voltage Rating
1kV to 100kV
Resistance Range
1kΩ to 100GΩ
Dielectric Strength
>2kV/mm
Operating Temperature
-55°C to +200°C
Temperature Coefficient
±50ppm/°C to ±300ppm/°C
标准
ISO 9001IEC 60115MIL-R-10509DIN 44050

行业分类与别名

高压电阻元件 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

Moisture ingress compromising insulation->Dielectric breakdown and short circuit->Use hermetic sealing, conformal coatings, and regular environmental testing
Excessive power dissipation beyond rating->Thermal runaway and component burnout->Implement thermal management, derating practices, and overtemperature protection
Mechanical stress from vibration or shock->Cracked substrate or broken connections->Use ruggedized designs, proper mounting, and vibration-resistant materials

工业生态与工程逻辑

0
Electrical arcing causing short circuits
1
Thermal runaway leading to fire hazard
2
Dielectric breakdown under moisture
3
Mechanical failure from vibration
4
Corona discharge reducing lifespan

合规与检测

tolerance
±1% to ±10% depending on application requirements
test method
High-potential (hipot) testing per IEC 61010, resistance measurement with guarded bridges, thermal cycling tests, humidity resistance testing per MIL-STD-202

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 primary function of high-voltage resistor elements?

The primary function is to provide precise resistance in high-voltage circuits to limit current, divide voltage, dissipate energy, and protect sensitive components from voltage surges.

High-voltage resistors feature special construction with elongated paths, high-dielectric materials, and encapsulation to prevent arcing and breakdown at voltages above 1kV, whereas standard resistors are designed for lower voltage applications.

What are common failure modes of high-voltage resistor elements?

Common failure modes include insulation breakdown due to moisture ingress, thermal degradation from excessive power dissipation, arcing across terminals, and mechanical cracking from thermal cycling.

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数据基础

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初步技术归类
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