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KUU 2RK075M-4
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU 2RK075M-4
- Type
- KUU
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- 2RK075M-4
- Electronic Component
- 1
- Package
- SMD
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- ±20%
- Electronic Component
- 0.419g
- Electronic Component
- 4mm
- Electronic Component
- 1
- Electronic Component
- BM0264873513
- Operating Temperature
- 40℃~+90℃
- Capacitor
- 0.8pF
- Electronic Component
- Electronic Component
- Electronic Component
- 1500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2RK075M-4 产品概述
一、产品简介
2RK075M-4 是 KUU 品牌面向瞬态浪涌与过压防护的 SMD 器件，单体长度约 4mm，极数为 2（双极/双通道配置），适用于需在有限空间内实现可靠浪涌抑制的应用场景。器件通过校验，具备稳定的脉冲放电能力与宽温度适应性，便于在工业与消费电子系统中部署。
二、关键参数说明
- 直流击穿电压（Vdc）：75V（标称）——器件在最大稳态工作电压附近的参考值，用于选型和留有裕量。
- 精度：±20% —— 说明标称电压存在制造公差，设计时应考虑最差情况。
- 脉冲放电电流：3kA —— 能承受短时间大电流冲击，适用于雷击或强干扰脉冲场合。
- 极间电容：0.8pF —— 极低电容特性使其对高速信号线干扰小，适合保护数据与通信端口。
- 冲击击穿电压（Vimp）：700V —— 表示在冲击条件下的击穿耐受能力，体现器件对瞬时高压的抵抗力。
- 工作温度：-40℃ ~ +90℃ —— 满足常见工业与户外环境温度要求。
- 封装：SMD，长度约 4mm —— 便于表面贴装工艺、节省板面空间。
三、主要特性与优势
- 高能量吸收：3kA 的脉冲放电能力可有效吸收短时大能量浪涌，降低后级电路风险。
- 低寄生电容：0.8pF 降低对高速信号的影响，适合 USB、Ethernet、CAN 等敏感接口。
- 宽温度适应：-40℃ 至 +90℃ 的工作范围，增强在严苛环境下的可靠性。
- 紧凑封装：4mm 的小体积适合空间受限的电路板设计，便于靠近被保护节点布置。
四、典型应用场景
- 通信接口与数据总线保护（对高频信号影响小的场合）。
- 工业控制与自动化设备的输入端防护，尤其是 48V 等中低压系统。
- 电源输入侧的浪涌与雷击抑制保护。
- 消费电子、智能终端的接口过压保护与ESD缓解。
五、设计与布局建议
- 尽量将器件靠近被保护的输入端或连接器放置，以缩短寄生感抗和提升防护效果。
- 对于对耐压或精度敏感的设计，应依据 ±20% 的公差选取合适的额定值并预留余量。
- 在高脉冲环境下，配合熔断器、串联电阻或 PCB 大面积铜箔以分散热量，防止单次冲击导致局部损伤。
- 对高速信号线使用时，请评估整体串联与并联元件对信号完整性的影响，必要时增加差分对称布局与阻抗控制。
六、可靠性与注意事项
- 器件虽能承受高幅值脉冲，但长期反复在额定极限附近工作会影响寿命，建议按规范进行浪涌等级选型与系统级冗余设计。
- 工作温度接近上限时，应关注散热条件与周边元件的热耦合。
- 由于 ±20% 的电压公差，在并联或串联使用前需确认匹配性与均流措施。
七、总结
2RK075M-4 以其高脉冲承受能力、低极间电容与小型 SMD 封装，适合在对浪涌保护、信号完整性和空间要求均有较高需求的应用中使用。设计中合理考虑电压公差、布局与热管理，可充分发挥其可靠防护功能，提升系统抗干扰与长期稳定性。
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