WMSIC Electronic Components

BOURNS MF-R050

ModelMF-R050
PackageThrough-hole
BrandBOURNS
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
BOURNS MF-R050
Type
BOURNS
Unit
Electronic Component
Minimum package
500 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
MF-R050
Electronic Component
1
Package
Through-hole
Electronic Component
Resettable Fuse
Electronic Component
0.493g
Electronic Component
7.9mm
Pitch
5.1mm
Electronic Component
1
Electronic Component
4s
Electronic Component
BM0257662896
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
60V
Power(Pd)
750mW

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

MF-R050 产品概述

一、简介

MF-R050 是 Bourns Inc. 旗下 Multifuse® 系列中的一款聚合物正温度系数(PTC)自复位保险丝。其设计旨在为电气设备提供过流保护,尤其是在易受损的电路中,确保可靠性和安全性。该产品因其综合性能和多样应用,已被广泛应用于消费电子、工业设备及信息技术领域。

二、技术参数

  • 制造商: Bourns Inc.
  • 系列: Multifuse®, MF-R
  • 包装: 散装
  • 零件状态: 有源
  • 类型: 聚合物
  • 电压最大值: 60V
  • 工作温度范围: -40°C 至 85°C
  • 安装类型: 通孔
  • 封装/外壳: 径向,圆片式
  • 尺寸: 直径 7.90mm (0.311") x 厚度 3.10mm (0.122")
  • 最大安装高度: 13.70mm (0.539")
  • 引线间距: 5.10mm (0.201")
  • 认证机构: cURus,TUV
  • 电流最大值: 40A
  • 保持电流 (Ih): 500mA
  • 跳断电流 (It): 1A
  • 跳断时间: 4秒
  • 初始电阻 (Ri): 最小值 410 mΩ
  • 跳断后电阻 (R1): 最大值 1.17 Ω

三、特点与优势

MF-R050 的设计兼具了高效的保护性能和温度适应性,使其可在多种环境下稳定工作。它能够在超过设定的保持电流(500mA)时,会迅速进入阻断状态,从而保护电路中其他元件,防止发生意外的电流短路或过载事件。当电流恢复至安全范围时,MF-R050 将自动复位,允许系统重新正常工作,无需更换任何元件,这在现代电子产品的设计中显得尤为重要。

这种聚合物 PTC 保险丝具备良好的电气特性,具有低初始电阻,确保高效的电流传输,同时在出现过流情况时其跳断后的电阻仍保持在合理范围内。这种电阻特性降低了设备自身的功耗,提高了设备整体性能。

四、应用领域

MF-R050 适用于多种需要可靠过流保护的场景,主要包括:

  • 消费电子产品:如移动设备、充电器、家居电器等。
  • 工业设备:如电机保护、传感器和控制器等。
  • 信息技术设备:如计算机、服务器和网络设备等。

其广泛的工作温度范围使得 MF-R050 能够在严酷环境中进行有效的电流保护,而其高电流承载能力(最大 40A)确保了即便在高负载运行情况下也能保持稳定的性能。

五、安装与使用

MF-R050 的径向插装设计简化了其在电路板上的安装,适合各种通孔类型的电路板。其引线间距和尺寸确保了与大多数主流电路板的兼容性。对于设计人员而言,这使得寄生电阻的影响最小化,从而提高了整体的电气性能。

在使用时,设计人员需牢记 MF-R050 的各项电气参数,确保其在使用电流和电压的设计参数内工作,并避免长时间接触超过标定值的电流,以免影响其频繁的开关保护功能。

六、总结

MF-R050 为电子设备提供了一个经济、有效且可靠的过流保护解决方案。凭借其自动复位功能,广泛的工作电压和环境兼容性,使得它在多种应用场合中成为优选器件。Bourns Inc. 的 MF-R050 指出了当前市场对高效能保护措施日益增长的需求,成为推动现代电子设计技术向前发展的重要组成部分。在未来的电子产品中,MF-R050 无疑将继续发挥其重要的作用,确保设备的长期可靠性和安全性。

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