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Littelfuse 0451.800MRL
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse 0451.800MRL
- 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
- 0451.800MRL
- Electronic Component
- 1
- Electronic Component
- 2.5mm
- Package
- 2410
- Type
- SMD Fuse
- Electronic Component
- Non-Resettable Fuse
- Electronic Component
- 0.192g
- Electronic Component
- 6.1mm
- I2t
- 0.2654
- Electronic Component
- 1
- Electronic Component
- 50A
- Electronic Component
- BM0266020196
- Operating Temperature
- 55℃~+125℃
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：0451.800MRL 贴片式保险丝
1. 引言
0451.800MRL是由美国力特（Littelfuse）制造的一款高性能贴片式（SMD）保险丝，专为保护电子设备在过流情况下的安全运行而设计。该产品广泛应用于各类电子电路中，特别是在需要高可靠性和快速响应的场合。
2. 基本特性
熔断 I²t: 该保险丝的熔断 I²t值为0.2654，代表着其在短路或过载条件下的保护能力。较低的 I²t 值使得该保险丝在瞬态高压下能够快速熔断，从而有效保护下游电路组件。
分断能力: 0451.800MRL 的分断能力为50A，这意味着在故障状况下，保险丝能够安全地切断电流，防止电路的进一步损坏或火灾风险。
工作温度: 产品的工作温度范围为-55°C至125°C，说明其在极端环境条件下仍能够保持稳定的性能。适应高温和低温的能力使其能够在恶劣环境中正常工作，保证设备长时间可靠运行。
额定电压: 此产品的额定电压为125V（AC和DC），使其适用于多种供电需求，包括直流和交流电路。
额定电流: 0451.800MRL 的额定电流为800mA，适合应用在中等功率的电路中。这一特性在设计电路时尤为重要，可以确保保险丝能够有效保护电路中的重要元件。
标称冷电阻: 保险丝的标称冷电阻为135.5mΩ，此参数直接影响保险丝在正常工作状态下的电流损耗。较低的冷电阻可以降低待机功耗，从而提升整体电路的能效。
类型: 作为一款快速熔断保险丝，0451.800MRL能够在故障情况下迅速切断电流，保护后级电路不受到进一步的损坏。这种类型的保险丝特别适合用于瞬态电流保护，能够避免过载对电路的影响。
3. 应用场景
0451.800MRL贴片式保险丝适用于多种应用场景，包括但不限于：
- 消费电子产品: 手机、电脑、电器等消费类电子产品的电源管理部分。
- 通信设备: 各类通信设备中的电源保护，以确保系统的稳定运行。
- 汽车电子: 提供汽车电子设备如导航、娱乐系统的电流保护。
- 工业设备: 在工业自动化设备中，用作电源保护，避免电气故障导致的设备损坏。
4. 设计优势
使用0451.800MRL保险丝的设计具有以下优势：
- 高可靠性: 该保险丝的性能表现优异，确保在关健应用中提供持续的过流保护。
- 紧凑封装: 贴片式设计节省空间，方便在小型化电子设备中实现可靠电路保护。
- 标准化规格: 统一的电气特性和封装尺寸方便设计师在PCB设计中进行预留和布局。
5. 结论
总而言之，0451.800MRL贴片式保险丝凭借其优越的技术参数、广泛的应用领域以及良好的保护特性，成为现代电子设计中不可或缺的元器件之一。无论是在消费电子、通信设备、汽车电子还是工业自动化领域，该产品均能展现出其卓越的性能，确保设备在多变和苛刻的工作环境中保持安全和稳定运行。
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