WMSIC Electronic Components

TDK NTCG104BF473FT1X

ModelNTCG104BF473FT1X
Package0402
BrandTDK
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK NTCG104BF473FT1X
Type
TDK
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
NTCG104BF473FT1X
Electronic Component
1
Electronic Component
0.5mm
Package
0402
Electronic Component
NTCThermistor Resistor
Electronic Component
0.011g
Electronic Component
1mm
Electronic Component
47kΩ
Electronic Component
0.5mm
Electronic Component
1
B
±1%
Electronic Component
BM0262575002

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

TDK NTCG104BF473FT1X NTC热敏电阻产品概述

TDK NTCG104BF473FT1X是一款专为温度检测、过温保护及温控场景设计的高性能负温度系数(NTC)热敏电阻,凭借高精度、宽温范围、小型化等特点,广泛适配消费电子、工业自动化、电源模块等领域,是TDK旗下成熟可靠的热敏电阻产品之一。

一、核心电气参数与规格

该产品的核心参数明确且适配多数主流应用需求,关键指标如下:

  • 额定阻值:47kΩ(标称值为25℃环境下的阻值,是NTC温度特性的基准参考点,阻值随温度升高呈指数下降);
  • B值参数:包含两个常用温度区间的B值,25℃/50℃区间为4485K,25℃/85℃区间为4550K(B值反映热敏电阻的温度敏感程度,数值越大,阻值随温度变化越显著);
  • B值精度:±1%(精度等级较高,保证温度与阻值对应关系的一致性,降低温度检测误差);
  • 额定功率:100mW(工作温度范围内的最大允许耗散功率,实际使用需遵循降额原则,建议控制在额定值80%以内以延长寿命);
  • 封装形式:0402(公制1005)表面贴装封装,尺寸约1.0mm×0.5mm,适配高密度PCB设计。

二、温度特性与精度表现

B值是NTC热敏电阻的核心性能指标,NTCG104BF473FT1X的双区间B值设计覆盖了从常温到中温的典型场景:

  • 常温区间(25℃/50℃):4485K B值适配日常环境(如室内家电、消费电子)的温度检测,阻值变化规律稳定,可精准反映环境温度波动;
  • 中温区间(25℃/85℃):4550K B值适配电源模块、电池等中温场景的温度监控,温度系数与实际应用需求匹配,避免因B值偏差导致的温控误判;
  • 高精度保障:±1%的B值精度可将温度检测误差控制在较小范围(例如50℃时,实际阻值与理论值偏差≤1%),适合医疗设备、精密仪器等对温度精度要求较高的场景。

三、封装与功率适配性

0402(1005公制)表面贴装封装是该产品的核心优势之一:

  • 小型化设计:紧凑尺寸适配现代电子设备的轻薄化趋势,可集成到智能手机、笔记本电脑、小型电源适配器等空间受限的产品中;
  • 贴装兼容性:符合标准SMT工艺要求,支持自动化批量生产,降低人工成本与生产难度;
  • 功率适配:100mW额定功率满足低功耗场景需求,若需长时间工作,需结合散热条件适当降额,避免因功耗过高导致性能衰减。

四、宽温范围与可靠性

NTCG104BF473FT1X的工作温度范围为-40℃~+125℃,覆盖多数应用场景的极端温度:

  • 低温耐受:-40℃可满足户外设备(如智能安防摄像头、户外传感器)在严寒环境下的正常工作;
  • 高温适配:+125℃可适配电源模块、汽车电子(如车载空调、电池管理系统)等中高温场景;
  • TDK品牌可靠性:作为全球知名厂商,TDK对该产品进行了严格的温湿度循环、老化抗应力测试,保证在恶劣环境下的长期稳定性与性能一致性。

五、典型应用场景

结合产品参数,NTCG104BF473FT1X的典型应用包括:

  1. 消费电子温控:智能手机、笔记本电脑的电池温度检测,防止过充过放引发安全问题;
  2. 家电温度监控:冰箱、空调、电热水器的环境温度与核心部件温度检测,实现智能温控;
  3. 电源模块保护:开关电源、适配器中的MOS管、变压器温度检测,避免过热损坏;
  4. 工业自动化:PLC、传感器模块的环境温度监测,保障工业设备稳定运行;
  5. 汽车电子辅助:车载空调系统、电池管理系统(BMS)的温度检测(需确认符合具体汽车级标准)。

六、产品优势总结

NTCG104BF473FT1X的核心优势可归纳为:

  • 高精度:±1% B值精度,温度检测误差小;
  • 宽温覆盖:-40℃~+125℃适配多数应用场景;
  • 小型化:0402封装适配高密度PCB设计;
  • 高可靠:TDK品牌背书,长期稳定性优异;
  • 多场景适配:消费电子、工业、电源等领域均有成熟应用。

该产品是一款性价比突出的NTC热敏电阻,可满足不同行业对温度检测的基础与中高端需求。

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