WMSIC Electronic Components

cjiang FNTC0805X104F3950FB

ModelFNTC0805X104F3950FB
Package0805
Brandcjiang
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FNTC0805X104F3950FB
Type
CJIANG
Minimum package
4000 编带

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FNTC0805X104F3950FB
Electronic Component
1
Electronic Component
1.25mm
Package
0805
Electronic Component
NTCThermistor Resistor
Electronic Component
0.04g
Electronic Component
2mm
Electronic Component
100kΩ
Electronic Component
0.85mm
Electronic Component
1
B
±1%
Electronic Component
BM0257699627
Operating Temperature
40℃~+125℃

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

FNTC0805X104F3950FB 产品概述

FNTC0805X104F3950FB 是长江微电(cjiang)推出的一款高精度、低功耗表面贴装负温度系数热敏电阻(NTC),封装为行业常用的0805(2.0 × 1.25 × 0.85 mm)。该元件以100 kΩ 阻值为基准,适用于温度测量与温度补偿场合,对空间与功耗有严格要求的便携及工业设备尤为合适。

一、主要参数

  • 标称阻值:100 kΩ(25 ℃)
  • 阻值精度:±1%
  • B 值(25℃/50℃):3950 K(±1%)
  • B 值(25℃/85℃):4010 K
  • 最大稳态电流(25℃):140 μA
  • 额定功率:100 mW
  • 耗散系数:2 mW/℃
  • 热时间常数:5 s
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 尺寸(L×W×H):2.0 × 1.25 × 0.85 mm(0805)

二、性能特点与优势

  • 高精度:±1% 阻值公差配合 ±1% B 值精度,适合要求精确温度测量的应用,减少校准次数。
  • 低功耗设计:额定功率 100 mW 且最大稳态电流仅 140 μA(25 ℃),便于在电池供电设备中使用。
  • 快速响应:热时间常数 5 s,能在短时间内反映环境温度变化,适合一般测温与控制场景。
  • 宽温区稳定性:-40 ~ +125 ℃ 工作温度覆盖大多数工业和民用环境。

三、典型应用场景

  • 电池管理系统(BMS)中的温度监测与保护
  • 消费类电子(智能手表、便携设备)温度补偿
  • 工业控制、家电温度检测与过热保护
  • 精密传感器与模拟前端的温度补偿电路

四、安装与使用注意事项

  • 焊接工艺:推荐使用回流焊工艺,遵循平台及焊膏制造商的温度曲线,以避免过高的热应力影响器件稳定性。
  • 功率与自热:工作时应控制通过器件的电流和功耗,避免自热导致测量偏差;参考耗散系数 2 mW/℃ 进行散热设计。
  • PCB 布局:传感点应尽量远离热源和大功率器件,使用短且对称的走线减少寄生阻抗与热耦合。
  • 环境防护:若在高湿或腐蚀性环境中使用,建议采取涂覆或封装保护措施。

五、可靠性与环境适配

该型号具有宽温工作范围与较好的热稳定性,符合贴片元件在工业级温度循环与长期漂移要求。对于高精度场合,建议在产品开发阶段进行批次漂移与温度循环验证。

六、封装与替代选型建议

  • 封装:0805(符合贴片生产线常规工艺)
  • 若需更小尺寸或更快响应,可考虑0603 或 0402 同系列产品;如需更大功率或更低阻值,应选型功率等级更高或阻值范围不同的 NTC 型号。

该产品凭借高精度、低功耗与通用封装,适合作为多类电子设备的温度传感与补偿元件。在选型与布板阶段建议结合系统测量要求(响应时间、最大允许误差、自热容限)进行完整验证。

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