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Jingdao Microelectronics 1N4002W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic 1N4002W
- Type
- Jingdao Microelectronics
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- 1N4002W
- Electronic Component
- 1
- Package
- SOD-123F
- Electronic Component
- General Purpose Diode
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0222289246
- Current
- 1A
- Diode
- Electronic Component
- Current(Ir)
- 5uA@100V
- (Vf)
- 1.1V@1A
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage Rating(Vr)
- 100V
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：1N4002W 通用二极管
一、产品简介
1N4002W是一款广泛应用的通用二极管，具有良好的电子特性和可靠性，适合多种电源管理和整流电路。该二极管由晶导微电子生产，采用独立式封装，封装类型为SOD-123F。其额定电流为1A，最大反向电压为100V，正向电压降为1.1V（在1A负载下）。由于其稳定的电气参数和优良的散热性能，1N4002W在工业、消费电子以及通信设备中得到广泛应用。
二、技术规格
- 产品类型: 通用二极管
- 封装类型: SOD-123F
- 正向电流(IF): 1A
- 最大反向电压(VR): 100V
- 正向电压降(VF): 1.1V @ 1A
- 工作温度范围: -55°C ~ +125°C
- 电气特性: 具备良好的整流性能，尤其在低频应用中，下电流和反向恢复时间表现优异。
三、应用领域
1N4002W二极管适合用于多种应用场景，包括：
- 整流电路: 适用于电源适配器、充电器、逆变器和直流供电系统的整流。
- 保护电路: 作为反向保护二极管，防止设备在连接时出现误极性，保护后续电路。
- 信号整形: 用于音频处理、信号调制解调等领域，有效抑制噪声。
- 开关电源: 在开关电源模块中充当整流元件，提供稳定的直流输出。
四、工作原理
1N4002W的工作原理基于半导体的P-N结特性。当正向电流流经二极管时，P区和N区的载流子会重新结合，形成一个低阻抗路径，允许电流通过。反向方向时，由于P-N结的阻断，几乎不再有电流流动，从而保护电路不受反向电压影响。
五、优势
- 高可靠性: 提供优异的耐压和高温性能，确保长期稳定运行。
- 小型化设计: SOD-123F封装使得其体积小，适合空间受限的设计需求。
- 良好的热性能: 封装设计使得热量能够很好地散发，避免芯片因过热而损坏。
- 经济适用: 成本效益高，适合大批量生产和应用。
六、注意事项
在使用1N4002W时，用户需要注意以下几点：
- 工作电压: 确保应用中的直流电压不超过100V的绝对最大反向电压。
- 散热管理: 尽管该二极管具有较好的散热性能，设计时仍应考虑适当的散热措施，以防止过热。
- 反向恢复特性: 在高频应用中，考虑反向恢复时间对电路的影响。
- 极性连接: 正确连接二极管的阳极和阴极，以防止设备损坏。
七、结论
1N4002W是一款性能优异、用途广泛的通用二极管，凭借其可靠的电气性能和合理的成本，成为电气设计工程师的首选。在电源整流、保护电路以及信号整形等方面，1N4002W展现了广泛的应用潜力。选择1N4002W，将能够有效提高设备的稳定性和可靠性，为各类电子产品的设计与开发提供坚实的基础。
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