WMSIC Electronic Components

RUILON NTC8D-9 NTC8D

ModelNTC8D-9
PackageThrough-hole, P=7.5mm
BrandRUILON
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

19 specifications

Core information

Product name
RUILON NTC8D-9
Type
RUILON
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
NTC8D-9
Electronic Component
1
Electronic Component
5.5mm
Package
Through-hole, P=7.5mm
Electronic Component
NTCThermistor Resistor
Electronic Component
0.752g
Electronic Component
8Ω
Pitch
7.5mm
Electronic Component
1
(φD)
9mm
Electronic Component
BM0258838678
Operating Temperature
40℃~+175℃
Resistor
±20%
Electronic Component
11mW/℃

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

NTC8D-9 产品概述

NTC8D-9 是瑞隆源(RUILON)提供的一款负温度系数(NTC)热敏电阻元件,采用插件封装,脚距(引脚间距)为7.5mm。其典型静态阻值为 8Ω(按标准测试温度测得),工作温度范围宽达 -40℃ 至 +175℃,适用于需要可靠温度响应和良好耐高温性能的电子及电气应用场景。

一、产品特点概述

  • 阻值:8Ω(典型值,通常在25℃测试得出,具体测试条件请参照厂方数据表)
  • 工作温度:-40℃ ~ +175℃(宽温区,适应恶劣环境与高温工作场合)
  • 封装形式:插件(Through-hole)
  • 引脚间距(P):7.5mm,便于标准印制板或座子安装
  • 品牌:RUILON(瑞隆源)
  • 描述分类:未分类(通用型 NTC 热敏电阻,用途灵活)

二、结构与封装说明

NTC8D-9 采用传统插件式封装,元件体积紧凑,引脚间距为7.5mm,便于手工和波峰/回流前后处理的焊接与固化。封装对元件的机械保护与散热路径进行了基础设计,适合穿孔安装的电路板布局或夹持式传感器装配。

三、工作原理与性能要点

作为负温度系数热敏电阻,NTC8D-9 的阻值随温度上升而下降。该特性使其在温度测量、温度补偿和过流保护(或配合其他电路实现)中具备实用价值。关键性能关注点包括:

  • 温度—阻值曲线(B值、25/50/85 等点的阻值变化)需依据厂方曲线或样片实测获取,以便精确设计;
  • 热时间常数(响应速度)决定元件对瞬态温度变化的感应能力;
  • 稳态与脉冲功耗能力,影响长期失配与自热效应,设计时需留余量。

四、典型应用场景

  • 温度检测与监控:作为传感器元件用于工业、家电或电源模块的温度采样;
  • 温度补偿:在模拟或数字电路中用于补偿元器件的温漂(如放大器、传感器阵列等);
  • 电池管理与充电保护:作为电芯或电池包温度检测元件;
  • 小功率限流或温度相关的保护电路(需根据功耗与自热特性做恰当设计)。

注意:若用于浪涌限流(NTC inrush),需核对冷阻、峰值电流、能量承受能力等参数,确保可靠性。

五、设计与选型建议

  • 确认测试基准:通常阻值标注为在25℃下测得,设计时须以相同条件作为依据;
  • 考虑 B 值与温漂:需要精确温度测量用途时,应获取器件的 B 常数或完整阻温曲线;
  • 功耗与自热评估:长期工作在高温或承受较大电流时,应评估自热导致的阻值漂移和长期寿命;
  • 焊接与温度应力:虽然工作温度上限为 +175℃,建议遵循厂家推荐的焊接温度/时间曲线,避免长时间高温或机械应力导致封装或引脚损伤;
  • 机械布局:7.5mm 引脚距便于手工焊装和自动插件设备,PCB 布局时预留足够散热与测量隔离区域。

六、可靠性与环境适配

NTC8D-9 的工作温度范围说明其在低温与高温环境下均能保持基本功能,但长期可靠性还取决于电流、功耗、反复热循环及潮湿环境的影响。在发生频繁热循环或高湿、高盐雾环境时,建议做加速老化与耐候性验证,或采用防护处理(如涂层、密封)以延长使用寿命。

七、安装、存储与注意事项

  • 安装:插件焊接时尽量缩短焊接时间,避免局部过热;焊后检查引脚固定性与绝缘间隙;
  • 存储:置于干燥、无腐蚀性气体的环境中,避免长时间阳光直射与剧烈温度变化;
  • 操作:避免在弯折引脚或施加过大机械应力时安装,防止内部结构损伤;
  • 测试:在最终产品中使用前,建议对样品进行温度—阻值曲线校准与长时稳定性测试。

八、结论

NTC8D-9 是一款结构简单、封装易用、工作温度范围宽的负温度系数热敏电阻,适合于多种温度检测与补偿场合。选择时应关注阻值基准、温度响应曲线、功耗能力及应用场合的特殊要求。欲获得完整电气与机械参数(如 B 值、最大电流、功率规格、外形尺寸图及焊接规范),建议联系 RUILON(瑞隆源)或参考其详细产品资料与样品测试报告。

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