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Littelfuse 2920L075DR
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse 2920L075DR
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- 2920L075DR
- Electronic Component
- 1
- Package
- 2920
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.183g
- Electronic Component
- 1
- Electronic Component
- 300ms
- Electronic Component
- BM0000278940
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 30V
- Power(Pd)
- 1.5W
- Current(Imax)
- 40A
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2920L075DR 产品概述
概述
2920L075DR是一款由美国力特（Littelfuse）公司生产的聚合物PTC自恢复保险丝，具有极佳的保护特性，特别适合需要防过流保护的电子应用场景。这款保险丝设计用于承受高于常规工作电流的瞬时冲击，同时提供过流保护，能高效地防止电路损坏和故障。
主要技术参数
- 工作温度范围: -40°C 至 85°C
- 材料类型: 聚合物
- 最大电压: 30V
- 最大电流: 40A
- 保持电流（Ih）: 750mA
- 跳断电流（It）: 1.5A
- 跳断时间: 300ms
- 初始电阻值（Ri）: 350 mΩ
- 跳断电阻值（R1）: 最大1Ω
- 安装类型: 表面贴装型
- 封装/外壳: 2920（7351公制），凹陷
- 尺寸: 0.289" 长 x 0.202" 宽（7.35mm x 5.12mm），厚度最大为0.049"（1.25mm）
设计与应用
2920L075DR保留了力特品牌所具备的高可靠性与安全性，采用现代聚合物材料设计，使其在降低功耗、提升温度稳定性上表现出色。其自恢复能力确保了一旦电流超出安全范围，保险丝能够迅速断开电路，保护重要的电子组件不受损坏，同时在故障解除后能够自动恢复工作状态，避免了传统保险丝需要更换的麻烦。
此款自恢复保险丝主要应用于移动设备、家电、电动工具、电源适配器以及各种工业设备等领域，适合于电路中对过流敏感的部件。由于其低电阻特性，2920L075DR能够在保持电流条件下有效减少功率损耗，从而提高系统的总体效率。
性能特点
- 高灵敏度与可靠性: 在低电流环境下，保险丝能够迅速识别并响应过流情况，确保电路的安全性。
- 易于集成: 作为表面贴装元件，2920L075DR可以轻松整合进现代电路板设计中，提高了设备总体的集成度。
- 自恢复特性: 保险丝在过流条件解除后能立即恢复使用，减少了设备维护的复杂性及成本。
- 宽温范围: 其-40°C至85°C的工作温度范围，适应了大部分工业及消费类电子产品的使用环境。
- 稳健的设计: 靠谱的材料选择和精良的工艺确保了保险丝在各种工作条件下的长寿命和性能稳定。
结论
整体而言，2920L075DR是一款功能强大的自恢复保险丝，适合各种需要过流保护的电子设备。通过结合其高性能、易于集成的特性和力特的品牌保障，2920L075DR在电子应用领域提供了可靠的解决方案，是电源设计工程师的重要选型之一。它不仅能保护电路免受意外损坏，还能提高产品的整体性能和可靠性，适应现代市场对高效、安全电子元件的需求。
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