WMSIC Electronic Components

BOURNS MF-USMF005-2

BOURNS MF-USMF005-2
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Product image

ModelMF-USMF005-2
Package1210
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 26+

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Technical data

Product details

20 specifications

Core information

Product name
BOURNS MF-USMF005-2
Type
BOURNS
Unit
Electronic Component
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
MF-USMF005-2
Electronic Component
1
Electronic Component
2.5mm
Package
1210
Electronic Component
Resettable Fuse
Electronic Component
0.033g
Electronic Component
3.2mm
Electronic Component
1.1mm
Electronic Component
1
Electronic Component
1.5s
Electronic Component
BM0228594464
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V

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-USMF005-2 聚合物 PTC 保险丝

产品简介

MF-USMF005-2 是由 BOURNS 公司推出的一款聚合物 PTC (正温度系数) 保险丝，专为表面贴装的应用而设计。该保险丝结合了高效的电流保护功能和紧凑的封装尺寸，适用于多种电子电路的过流保护。

主要参数

  • 类型：聚合物 PTC 保险丝
  • 电压最大值：30V
  • 电流最大值：10A
  • 保持电流 (Ih)：最大 50mA
  • 跳断电流 (It)：150mA
  • 跳断时间：1.5s
  • 初始电阻 (Ri)：最小 2.8 Ohms
  • 跳断后电阻 (R1)：最大 50 Ohms
  • 工作温度范围：-40°C ~ 85°C
  • 等级：符合 AEC-Q200 认证
  • 安装类型：表面贴装型 (SMT)
  • 封装/外壳：1210（3225 公制），凹陷
  • 尺寸：0.127" 长 x 0.102" 宽（3.22mm x 2.58mm），厚度最大值 0.033"（0.85mm）

应用领域

MF-USMF005-2 保险丝广泛应用于消费电子、汽车电子、通信设备和工业设备等领域，适用于需要对电路进行可靠过流保护的场合。这款保险丝可以有效防止由于短路或过载引发的电路损坏，保障设备的安全运行。

工作原理

聚合物 PTC 保险丝的工作原理是基于材料的正温度系数特性。在正常工作条件下，保险丝的电阻较低，电流可以顺利通过；当电流超过设定的跳断电流值（It，150mA）时，PTC 材料会迅速加热并使电阻显著增大，最终切断电流，从而防止电路受到损害。该过程在不到 1.5 秒内完成，确保设备在出现故障时能够快速响应。

设计优势

  1. 紧凑封装：MF-USMF005-2 采用 1210 封装，体积小巧，适合高密度 PCB 布局，有助于节省空间。
  2. 高温稳定性：工作温度范围从 -40°C 到 +85°C，能够在各种极端环境条件下稳定工作，适应多样化的应用需求。
  3. 高可靠性：符合 AEC-Q200 认证标准，确保其在汽车电子等要求严格的环境中具有可靠的性能。
  4. 简易安装：作为表面贴装型组件，它能方便地焊接于 PCB 上，适配现代自动化生产工艺。

结论

MF-USMF005-2 聚合物 PTC 保险丝是保护电子设备安全运行的理想选择。其优秀的电流保护特性、高可靠性和紧凑的尺寸使其成为多种应用的优秀方案，无论是在消费类设备、汽车、工业还是通信设备中，都能有效防止潜在的过流损害。选择 MF-USMF005-2，为您的电路提供可靠的保护，让设备更安全、更高效地运行。

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