行业组件数据 · 2026

反馈网络(分压器)

Voltage divider feedback network for precise voltage sensing and signal conditioning in control circuits.

技术定义与适配语境
典型 反馈网络(分压器) 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。

A passive electronic circuit component consisting of two or more resistors connected in series to divide an input voltage into a smaller, precise output voltage proportional to the input. In feedback applications, it monitors system voltage levels and provides scaled signals to control units for regulation and stability.

组件规格

定义
A passive electronic circuit component consisting of two or more resistors connected in series to divide an input voltage into a smaller, precise output voltage proportional to the input. In feedback applications, it monitors system voltage levels and provides scaled signals to control units for regulation and stability.
工作原理
Operates on Ohm's Law and the voltage division principle where output voltage (Vout) = Vin × (R2/(R1+R2)). In feedback systems, it continuously samples circuit voltage, scales it to a measurable range, and feeds it back to comparators or microcontrollers to maintain desired voltage levels through corrective actions.
材料
Resistors: Metal film (precision ±0.1-1%)thick filmor wirewoundSubstrate: Ceramic (Al2O3) or fiberglass (FR4)Terminals: Tin-plated copper alloyEncapsulation: Epoxy resin or silicone coating for protection.
Tolerance
±0.1% to ±5%
Power Rating
0.125W to 2W
Voltage Rating
50V to 500V
Resistance Range
10Ω to 10MΩ
Operating Temperature
-55°C to +155°C
Temperature Coefficient
±25ppm/°C to ±100ppm/°C
标准
IEC 60115MIL-PRF-914JIS C 5201

行业分类与别名

反馈网络(分压器) 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

Resistor value drift due to temperature fluctuations->Inaccurate voltage feedback leading to system instability->Use resistors with low temperature coefficients and implement thermal management
Overcurrent conditions->Resistor overheating and permanent damage->Incorporate current limiting circuits and select resistors with adequate power ratings
Moisture ingress->Corrosion and short circuits->Apply conformal coating and use sealed enclosures

工业生态与工程逻辑

0
Thermal drift affecting accuracy
1
Overvoltage causing resistor failure
2
Poor solder joints leading to intermittent connections
3
Environmental contamination degrading performance

合规与检测

tolerance
±0.1% for precision applications, ±1% for general industrial use
test method
Voltage ratio verification using calibrated multimeters, temperature cycling tests, and long-term stability assessments per IEC 60115

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 a feedback network voltage divider?

To accurately sense and scale voltage levels in a circuit, providing a proportional feedback signal to control systems for maintaining stable operation.

How do I select resistors for a voltage divider feedback network?

Choose based on required precision (tolerance), power handling, temperature stability, and resistance values that minimize loading effects while achieving desired voltage ratio.

Can voltage dividers be used in high-frequency applications?

Yes, but parasitic capacitance and inductance must be considered; use low-inductance resistors and proper layout to maintain accuracy at high frequencies.

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数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:FEEDBACK_NETWORK_VOLTAGE_DIVIDER_