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Littelfuse 045202.5MRL
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse 045202.5MRL
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- 045202.5MRL
- Electronic Component
- 1
- Electronic Component
- 2.5mm
- Package
- 2410
- Type
- SMD Fuse
- Electronic Component
- Non-Resettable Fuse
- Electronic Component
- 0.202g
- Electronic Component
- 6.1mm
- Electronic Component
- 1
- Electronic Component
- 50A
- Electronic Component
- BM0000278908
- Operating Temperature
- 55℃~+125℃
- Voltage
- 125V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
045202.5MRL 产品概述
产品简介
045202.5MRL是由美国力特（Littelfuse）公司推出的一款贴片式保险丝，属于452系列Slo-Blo（慢速熔断）保险丝。该产品设计用于为电路提供高效的过流保护，尤其适用于需要一定时间延迟以应对暂态电流的应用场合。它的额定电压为125V DC/AC，额定电流为2.5A，确保在正常工作条件下提供稳定的电流保护。
产品特点
熔断 I²t 值：该保险丝的熔断特性由其I²t值决定，045202.5MRL的I²t值为15。这一特性确保在发生过载的情况下，保险丝能在一定时间内延续电流，通过缓冲暂态电流消除瞬时过载对电路的影响，达到有效保护的效果。
分断能力：其分断能力高达50A，能够在发生短路故障时安全、迅速地切断电流，避免对电路和其他元器件造成损害。
工作温度范围：045202.5MRL具备广泛的工作温度范围，从-55°C到125°C，使其能够在各种环境下稳定运行，适合多种工业和消费电子产品的应用。
额定电压与电流：该保险丝标称额定电压为125V，额定电流为2.5A，非常适合诸如LED驱动器、家电、网络设备及医疗设备等多种应用场景。
标称冷电阻：保险丝的标称冷电阻为45mΩ，这一参数有助于降低电路中的导通损耗，提高整体能效。
封装形式：作为SMD（表面贴装器件），045202.5MRL的尺寸为6.1mm x 2.69mm，有效节省了电路板的空间，适合现代电子产品的小型化设计需求。
应用领域
045202.5MRL保险丝因其优良的保护特性，广泛应用于以下领域：
- 消费电子：如手机充电器、平板电脑及智能家居设备等。
- 工业设备：用于机械设备与控制系统中，以确保持久的运行安全。
- 汽车电器：适合各种汽车电子设备，确保在不断电流和短路情况下保护电路。
- 医疗设备：保障设备在运行过程中避免由于过流而引发的安全隐患。
安装与使用注意事项
在安装045202.5MRL保险丝时，需注意以下几点以确保其性能表现：
- 焊接工艺：建议使用适当的焊接温度与时间进行表面贴装，以免影响保险丝的性能。
- 散热管理：在应用中应考虑保险丝的散热，避免因过高的工作温度影响其熔断特性。
- 电路设计：在电路设计时需合理配置电流和电压，以保证保险丝在正常工作条件下不熔断，并在异常情况下迅速功能正常。
结论
045202.5MRL是集成了先进技术的高性能慢速熔断保险丝，其稳健的性能和广泛的应用前景使其成为电子产品保护的重要选择。无论是在严苛的工业环境中，还是在对安全性要求极高的医疗设备内，都能提供可靠的过流保护。作为电子元器件工程师，选择045202.5MRL将为您的项目增加一层安全保障，确保产品的长期稳定运行。
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