Principle of Resettable Current Fuses
Resettable current fuses offer a unique solution for protecting electrical circuits while providing the convenience of being reusable. Here's how they work.
Resettable current fuses typically use a polymer-based material that changes its electrical resistance in response to an increase in current. When the current exceeds a certain threshold, the polymer material heats up and changes its state, increasing its resistance and limiting the current flow.
Once the overcurrent condition is removed, the polymer material cools down and returns to its original low resistance state, allowing the circuit to resume normal operation. This resettable feature makes these fuses highly convenient as they do not need to be replaced like traditional fuses after each overcurrent event.
The principle of operation of resettable current fuses is based on a combination of thermal and electrical properties of the polymer material. The material is designed to have a specific temperature coefficient of resistance, which determines how its resistance changes with temperature.
Resettable current fuses often have a defined trip current and hold current. The trip current is the level of current at which the fuse will activate and limit the current flow. The hold current is the maximum current that the fuse can handle without activating.
In some cases, resettable current fuses may also incorporate additional features such as overvoltage protection or reverse polarity protection to provide more comprehensive circuit protection.
resettable current fuses operate on a unique principle that combines thermal and electrical properties to provide protection for electrical circuits. Their reusable nature and convenience make them a popular choice in many applications.
- |
- +1 赞 0
- 收藏
- 评论 0
本文由Natalia转载自XC Official Website,原文标题为:Principle of Resettable Current Fuses,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
相关推荐
What Is The Difference between Resettable Fuses and Traditional Fuses?
PPTC and fuses both do the same job: protecting electronic circuits from overcurrent related issues. The difference is that the fuse must be replaced after tripping, while PPTC can reset itself. PPTC can handle sudden overcurrent events without the need for replacement.
The Role of Current Fuses in Smart Meters
Current fuses play a vital role in smart meters. Firstly, they provide protection against overcurrent events. Smart meters are used to measure and manage electricity consumption accurately. However, electrical circuits can sometimes experience sudden surges in current due to various reasons such as power outages and subsequent restoration, short circuits in the electrical grid, or the malfunction of connected electrical appliances.
熔断器两端的材料都有什么?
熔断器两端的材料都有什么?本文中旭程来给大家介绍一二,希望对各位工程师有所帮助。熔断器两端的材料主要包括铜和铜合金,这是因为铜及其合金具有一系列适合熔断器应用的特性。
【经验】一文带你了解保险丝的熔断时间
保险丝的熔断时间能比较直观的反应保险丝保护性能的好坏,它是保险丝的一个重要参数,实际的熔断时间分为预飞弧时间和飞弧时间,在数据上用I-t曲线和I-t表格来体现,也叫熔断特性或安秒特性,本文旭程带你解析保险丝的熔断时间。
旭程保险丝选型表
提供旭程保险丝选型,操作温度-40℃至+125℃,额定电流涵盖250mA-20A,额定电压250VAC或63VDC。产品均符合RoHS、REACH法规要求,尺寸规格涵盖广。
产品型号
|
品类
|
Current Rating(额定电流:mA/A)
|
Voltage Rating(额定电压:VAC)
|
Interrupting Rating(断续额定:A)
|
应用等级(工业级/商业级/汽车级/军工级/航空航天级)
|
形状材质
|
等级认证标准
|
快慢断
|
有无带脚
|
工作温度范围(最低:℃)
|
工作温度范围(最高:℃)
|
尺寸(mm)
|
018.025020008
|
保险丝
|
250mA
|
250VAC
|
50A
|
工业级
|
玻璃管
|
IEC60127
|
慢断
|
带脚
|
-40℃
|
125℃
|
3.6*10mm
|
选型表 - 旭程 立即选型
旭程(XC)温控器选型指南
目录- 公司介绍 Company Profile 温控器 Thermostat 保险丝 Fuses 企业资质与专利 Qualification and Patents Certifications
型号- C0015302Z,9K7.SK-B5,KSD305系列,9K7.SK-B3,CG-B,CG-A,SK-B1系列,9K7CG-XXX,SK-B5系列,KSD301系列,KSD307B,SK-A1,KSD307 SERIES,SK-A4,C0015301Z,9K7.SK-C2,SK-C2系列,C0025302Z,C4000302Z,KT SERIES,9K7.JW-A072,C2000302Z,CG-B系列,C0080303Z,9K7.SK-B11,JW-C系列,KSD305B,JW,KSD305-XXXX/XXXX,SK-C2,9K7SK-XXXX/XXXXX,C4000301Z,C5000301Z,SK,CG SERIES,9K4307-XXXX/XXXX,C0020302Z,CG,KT,KSD9700 SERIES,SK-B1,C5000302Z,C1000302Z,C0050303Z,SK-B5,C0035302Z,C0020303Z,C0040302Z,KSD307系列,KSD301-XXX/XXXXXX/XXX,9K7KT-XXXX/XXXXX,9K7.SK-F3,SK-F5系列,JW-B系列,C0060303Z,KSD9700,C0030301Z,KT系列,C7500301Z,C0070303Z,C0040303Z,SK-A1系列,9K9.9700-XXXXXXX,KSD305,KSD307,KT-A2,KT-A1,KSD301,C0030302Z,JW SERIES,JW系列,C0020301Z,C7500302Z,C0010302Z,9K4.307B,JW-A系列,CG-A1,C0025301Z,CG系列,KSD9700系列,C3000301Z,C2000301Z,C0030303Z,KT-A系列,SK SERIES,JW-B,JW-C,SK系列,KSD301 SERIES,KSD305 SERIES,CG-B2,C0010301Z,SK-F5,C3000302Z,SK-F6,9K7JW-XXXX,CG-A系列,KSD307-XXXX/XXXX,KT-A,9K4.307
The Installation Precautions for Current Fuses
The installation of current fuses is crucial for ensuring the safety and proper functioning of electrical circuits. Here are some important installation precautions to keep in mind.
【电气】旭程推出17C系列工业保护熔断器,迈出工业领域产品系列开发和转型升级的关键一步
旭程17C系列熔断器主要为带端脚产品,适用于端子插件,其本体尺寸47±1.5mm,带端脚尺寸76.6±2mm,产品符合ROHS、REACH、无卤等环保要求。推荐料号:061.2400G0001、061.2630G0001、061.3100G0001。
KSD9700-050°C大型铁壳250V 5A常闭温控器产品承认书
描述- 本资料为旭程电子(深圳)有限公司提供的KSD9700系列温控器的产品承认书和技术规格说明书。内容包括产品型号、规格、动作温度、复位温度、电气性能参数、环境试验结果等。
型号- KSD9700系列,KSD9700 SERIES,KSD9700,506.050051008
507.090051004 KSD9700-090℃小型塑胶壳 250V5A 常闭温控器产品承认书
描述- 本资料为旭程电子(深圳)有限公司提供的KSD9700系列温控器的产品承认书,包含产品型号、规格、技术参数、测试数据和适用标准等内容。
型号- KSD9700 SERIES,KSD9700,KSD9700A,KSD9700 系列,507.090051004,KSD,KSD9700A系列,KSD系列
【元件】旭程10C系列电力保险丝满足50KA/1000V分断能力标准,有效保护工业设备
旭程10C电力保险丝主要分为带端子和平头两种系列,适用于插件和卡座安装,其中平头产品本体尺寸为38±0.6mm,带端子产品尺寸为40±1mm。主要由外帽、内帽、管体、可熔体和消弧剂组成,其中外帽为黄铜镀银,内帽黄铜镀镍,管体为陶瓷管,可熔体为金属丝或金属片,消弧剂为石英砂。
507.100051005 KSD9700-100℃小型塑胶壳 250V5A 常闭温控器产品承认书
描述- 本资料为旭程电子(深圳)有限公司生产的KSD9700系列温控器的产品承认书,详细介绍了该系列温控器的技术规格、电气性能、环境试验、标志和环境温度等。
型号- 507.100051005,KSD9700 SERIES,KSD9700A,KSD9700,KSD9700 系列,KSD,KSD9700A系列,KSD系列
【产品】旭程电子推出汽车用熔断器—(C型)中型插片保险丝,满足汽车行业汽车用熔断器标准QC/T420-2004
旭程电子推出的汽车用熔断器—插片式保险丝主要应用低于32V低压设备的电路保护,本产品为中型(C型)插片保险丝(快熔断),产品采用PC阻燃料/合金端子电极,主要应用于汽车照明、音响、汽车防盗器、UPS等汽车低压电路,其他低压电子产品,小型变压器、电动玩具、充电器等。
旭程电子(深圳)有限公司:专注于电路保护及安全防护
描述- 旭程电子成立于1996年,公司具有材料自主化,适应性强,主要原材料/部件70%由内部加工生产(熔丝、铜帽、玻璃管、壳体)。并且生产规模化,灵活性强。目前取得22项实用型专利、3项发明专利,研发能力强,持续性强。公司产品种类多,包括有电流保险丝、工业保险丝、温控器、相关配件等。
型号- 06F,3S,KSD307系列,3T,KSD305系列,24F,12F,32F,6C,06T,KSD301系列,6F,KSD9700系列,6G,6H,24T,4F,12T,KSD9700,2F,32T,KT系列,6S,4T,2T,4TE,5TE,8TE,5C,KSD305,5F,KSD307,5G,5H,3F,KSD301,3G,PV系列,QC系列,5S,5T
电子商城
登录 | 立即注册
提交评论