WMSIC Electronic Components

RUILON NTC12D-7 NTC12D

ModelNTC12D-7
PackageP=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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON NTC12D-7
Type
RUILON
Minimum package
1000

Technical parameters

Electronic Component
RUILON
Electronic Component
NTC12D-7
Electronic Component
1
Electronic Component
5mm
Package
P=5mm
Electronic Component
NTCThermistor Resistor
Electronic Component
0.451g
Electronic Component
12Ω
Pitch
5mm
Electronic Component
1
(φD)
7mm
Electronic Component
BM0257712399
Operating Temperature
40℃~+150℃
Electronic Component
9mW/℃
Electronic Component
30s
Electronic Component
1000

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

NTC12D-7 产品概述

一、产品简介

NTC12D-7 是 RUILON(瑞隆源)出品的一款径向引线型负温度系数(NTC)热敏电阻,标称阻值为 12Ω(25℃)。器件采用径向引线封装,脚间距(Lead Pitch)为 5mm,适合波峰/手工焊接与常规插装工艺。该型号已通过出厂校验,标注“校验通过!”以保证品质一致性和可靠性。

二、主要技术参数

  • 标称阻值(25℃):12Ω
  • 最大稳态电流(25℃):1A(连续使用时不得超过该值)
  • 工作温度范围:-40℃ ~ +150℃
  • 封装形式:径向引线,P = 5mm
  • 品牌:RUILON(瑞隆源)

注:阻值随温度升高而显著下降(典型 NTC 特性),使用时需要考虑自热及环境温度对阻值的影响。

三、特性与优势

  • 低阻值设计(12Ω)适用于对启动电流有限制但要求短时抑制的电路场景;可在电源上实现初期的电流缓冲和冲击抑制。
  • 宽温工作范围(-40℃ 至 +150℃),适应工业级及户外环境的温度变化。
  • 径向引线、5mm 脚距的标准化封装,方便在常见 PCB 孔距及自动插件设备中使用。
  • 出厂校验保证产品一致性,便于批量生产和品质管理。

四、典型应用场景

  • 开关电源和适配器的启动限制与浪涌电流抑制
  • 马达驱动、压缩机等含有大的启动电流设备的初始限流保护
  • 电池充电器、LED 驱动电路的瞬态保护与温度补偿(需根据电路特性判断)
  • 需要温度相关阻抗调节的电子设备(非精密温度测量场景)

五、设计与使用注意事项

  • 最大稳态电流:标称 1A 为 25℃ 下的连续允许电流。若实际工作环境温度升高或器件自耗功率造成自热,需对额定电流进行降额处理以避免过热或寿命缩短。
  • 自热与散热:NTC 在通过电流时会自发热,导致阻值下降形成自稳态。设计时应考虑其功率耗散与周围散热条件,必要时加装散热或选择更大额定功率型号。
  • 冲击电流与短时过流:短时大电流脉冲虽常见于启动过程,但建议评估脉冲能量是否超过器件承受范围。长期重复的高能冲击会影响性能稳定性。
  • 焊接与装配:推荐遵循通用电子元器件的焊接温度曲线,避免在引脚附近长时间高温停留以防封装老化。安装时避免对引脚施加过大机械应力。
  • 测试与校准:在批量采用前,建议在目标应用环境下做电气与热稳态测试,确认阻值随温度和电流的变化符合设计要求。

六、包装、储存与质量保证

  • 包装:常见为卷盘或托盘加内衬防震包装,具体以出厂包装为准。
  • 储存:避免潮湿、酸碱气体及强阳光直射,存放温湿度应符合一般电子元件要求。
  • 质量认证与检验:产品通过出厂校验(“校验通过!”),建议索取批次检验报告和可靠性测试数据以便质量追溯。

总结:NTC12D-7 以其 12Ω 的低阻值、1A 的稳态电流能力以及宽温工作范围,适合用于需要在启动期抑制浪涌电流或做温度相关阻抗调节的场合。选型时应综合考虑自热、散热与工作环境温度,确保长期可靠运行。如需进一步的电气曲线(阻温特性曲线、功耗-温升曲线)或样品评估,建议联系 RUILON 或授权经销商获取详细资料。

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