WMSIC Electronic Components

BOURNS MF-PSMF050X-2

ModelMF-PSMF050X-2
Package0805
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BOURNS MF-PSMF050X-2
Type
BOURNS
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
MF-PSMF050X-2
Electronic Component
1
Electronic Component
1.25mm
Package
0805
Electronic Component
Resettable Fuse
Electronic Component
0.028g
Electronic Component
2mm
Electronic Component
0.85mm
Electronic Component
1
Electronic Component
100ms
Electronic Component
BM0257641776
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
6V
Power(Pd)
500mW

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

产品概述:MF-PSMF050X-2 正温度系数热敏电阻 (PTC)

一、产品简介

MF-PSMF050X-2 是一款由 BOURNS 生产的正温度系数热敏电阻(PTC),该元器件专为电流保护及过载保护应用而设计。它采用表面贴装型(SMD)封装,尺寸为0805(2.15mm x 1.35mm),能够满足现代电子设备中的紧凑设计要求。MF-PSMF050X-2 在寻求可靠的电流保持和跳断保护的同时,具备了卓越的性能表现,适用于多种高需求的应用环境。

二、关键规格

  • 电压和电流规格:

    • 最大电压:6V
    • 最大电流:40A
    • 电流保持 (Ih) 最大值:500mA
    • 跳断电流 (It):1A
    • 跳断时间:100ms
  • 电阻特性:

    • 初始电阻 (Ri) 最小值:150 mΩ
    • 跳断后电阻 (R1) 最大值:900 mΩ
  • 环境适应性:

    • 工作温度范围:-40°C ~ 85°C
  • 机械特性:

    • 安装类型:表面贴装型
    • 封装类型:0805(2012公制),凹陷
    • 尺寸:0.085" 长 x 0.053" 宽(2.15mm x 1.35mm)
    • 最大厚度:0.033"(0.85mm)

三、工作原理

PTC 热敏电阻的工作原理基于其材料的正温度特性。当应用于电路时,它在低于设定的游标值的电流范围内保持较低的电阻。在电流超过设定的阈值(如在短路或过载情况下),PTC 将迅速升温,导致电阻显著增加,从而限制流过的电流。这一保护机制在电路的安全性和可靠性方面起着至关重要的作用,尤其是在电子设备及电源保护领域。

四、应用场景

该 PTC 元器件广泛应用于以下领域:

  1. 电源保护:用于电源模块中,对器件进行过载及短路保护,以防止过高电流导致电路损坏。
  2. 消费电子:在手机、平板电脑和其他小型电子设备中,通过在电池及电源管理模块中集成 PTC,确保安全可靠的使用。
  3. 汽车电子:在汽车电子系统中,MF-PSMF050X-2 可用于保护敏感组件,确保在各种工作环境下持久稳定。
  4. 工业装备:在工业设备中,可以防止因为负载变化导致的临时高电流,对设备及用户提供防护。
  5. LED 灯具:用于 LED 驱动器中,确保在过热或过载时电流自动切断。

五、优势

MF-PSMF050X-2 具有如下一些显著优势:

  • 快速反应时间:100ms 的跳断时间保证了在电流出现异常时可以迅速切断,从而更好地保护电路。
  • 小型化设计:0805 封装非常适合空间受限的电路板设计,使其在紧凑型设备中的安装十分方便。
  • 高可靠性:具备宽广的工作温度范围,适用于多种环境条件,如极端温度场合下依然能保持其性能稳定。
  • 出色的电气特性:最低的初始电阻和最高的跳断后电阻实现了高效的电流限制和安全保护。

六、总结

MF-PSMF050X-2 正温度系数热敏电阻是一个功能可靠的电流保护方案,提供了坚固的电路安全保障。通过其优秀的电气特性、快速响应时间与小型化设计,它为各种电子设备提供了全面的解决方案,确保设备在操作过程中不会因电流异常而损坏。该产品的多样化应用使其成为现代电子设计中的一个重要元器件,值得工程师和设计师在相应领域中广泛采用。

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