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Jingdao Microelectronics US1K
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic US1K
- Type
- Jingdao Microelectronics
- Minimum package
- 5000 个
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- US1K
- Electronic Component
- 1
- Package
- SMA
- Electronic Component
- Fast Recovery / High-Efficiency Diode
- Electronic Component
- 0.12g
- Electronic Component
- 1
- Electronic Component
- BM0264858928
- Current
- 1A
- Diode
- 1
- Current(Ir)
- 5uA@800V
- (Vf)
- 1.65V@1A
- Electronic Component
- 55℃~+150℃
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
US1K快恢复二极管产品概述
一、产品定位与核心特性
US1K是晶导微电子推出的独立式快恢复/高效率二极管，采用SMA小型贴片封装，针对中高压、高频整流场景精准设计，核心聚焦“低损耗、快恢复、高可靠性”三大关键优势，适配小型化、高效率的电源类产品需求，是替代传统慢恢复二极管的高性价比选择。
二、关键电气参数深度解析
US1K的参数设计紧密贴合实际应用痛点，核心参数的价值可结合场景理解：
- 正向特性：额定整流电流1A，1A负载下正向压降仅1.65V——在开关电源次级整流中，该参数直接降低导通损耗（损耗=I×Vf=1.65W@1A），比普通快恢复管降低约10%，减少设备发热，提升整体效率；
- 反向特性：直流反向耐压800V，800V下反向漏电流仅5μA——满足太阳能逆变、UPS等中高压应用的耐压需求，低漏电流进一步降低反向损耗，避免器件长期发热老化；
- 恢复特性：75ns反向恢复时间（Trr）——属于快恢复二极管范畴（行业通常定义Trr<100ns），在几十kHz的高频开关电路中，可有效减少反向恢复电流尖峰，降低开关损耗与EMI干扰，提升电路稳定性；
- 浪涌与结温：非重复峰值浪涌电流30A——应对开机瞬间、负载突变等脉冲冲击；-55℃~+150℃工作结温范围——覆盖工业控制、车载辅助电源等恶劣环境，保障长期可靠运行。
三、封装与可靠性设计
US1K采用SMA贴片封装（尺寸约2.7×1.5×1.1mm），具备三大设计优势：
- 小型化适配：体积紧凑，适合高密度PCB布局，满足电源适配器、机顶盒等小型化产品的空间需求；
- 散热可靠性：封装采用高热导材料，配合宽结温范围，可快速散发布尔效应产生的热量，避免热失效；
- 工艺稳定性：晶导微电子采用成熟的芯片制造与封装工艺，产品一致性偏差<5%，批量供货稳定，符合RoHS、REACH等环保标准。
四、典型应用场景
US1K的参数特性使其广泛适配以下场景：
- 开关电源：AC-DC适配器、DC-DC变换器的次级高频整流；
- 逆变电路：太阳能并网逆变、UPS不间断电源的中高压整流环节；
- 工业控制：PLC、伺服驱动器的辅助电源整流；
- 家电与通信：机顶盒、路由器、LED驱动电源的整流模块。
五、品牌与质量保障
晶导微电子是国内功率半导体领域的主流企业，专注二极管、三极管等器件研发生产10余年，US1K系列产品通过严格质量管控：
- 全流程可靠性测试（高低温循环、浪涌冲击、湿度老化等）；
- 符合JEDEC行业标准，批量产品一致性达标；
- 提供完整datasheet与技术支持，适配客户量产需求。
US1K凭借高性价比、稳定性能，成为中高压高频整流场景的优选器件，可有效降低客户产品的研发与制造成本。
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