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Leiditech BST236A054U
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Leiditech BST236A054U
- Type
- LEIDITECH
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LEIDITECH
- Electronic Component
- BST236A054U
- Electronic Component
- 1
- Package
- SOT-26
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.024g
- Electronic Component
- 1
- Cj- Capacitor
- 0.5pF
- Electronic Component
- BM0257609365
- Voltage
- 28V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 6V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BST236A054U 产品概述
一、产品简介
BST236A054U 是 Leiditech（雷卯电子）推出的一款用于瞬态浪涌与静电放电保护的 TVS/ESD 器件，封装为 SOT-26。器件针对 5V 工作电压系统优化，适合对信号完整性要求高且需抗干扰的消费电子与工业接口保护场景。
二、主要电气参数
- 反向截止电压（Vrwm）：5 V，适配常见 5V 总线与接口。
- 击穿电压：6 V，表征进入导通的起始电压。
- 钳位电压：28 V（典型），在浪涌事件中将电压限制在安全范围内，保护下游电路。
- 峰值脉冲功率（Ppp）：350 W（8/20 μs 波形），可承受短时高能量浪涌冲击。
- 反向电流（Ir）：1 μA，静态泄漏小，有利于低功耗设计。
- 结电容（Cj）：0.5 pF；极低的结电容保证对高速信号线的影响最小。
- 防护等级：符合 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）测试规范。
三、功能与优势
- 低电容：0.5 pF 的结电容使器件非常适合保护高速数据线（如 USB、视频与射频接口），在不破坏信号完整性的前提下提供防护。
- 高浪涌吸收能力：350 W（8/20 μs）脉冲功率能力，能有效吸收来自雷击或开关操作引起的瞬态能量。
- 低泄漏与精准钳位：1 μA 的低反向电流配合 28 V 的钳位电压，在保障防护能力的同时降低对电源与模拟电路的干扰。
- 小型封装：SOT-26 适合空间受限的移动与便携设备，便于自动贴装与批量生产。
四、典型应用场景
- USB、充电口及数据接口保护（5V 系统）
- 移动终端与便携设备的信号线防护
- 消费类电子（智能家居、机顶盒、机顶卡等）
- 工业控制与楼宇自控中对接口抗干扰要求高的场合
- 有线视频/音频及射频前端的瞬态保护
五、设计与布局建议
- 将 TVS 器件尽量靠近被保护端口布置，缩短走线以降低寄生电感。
- 在器件接地端采用完整的接地平面，保证快速释放瞬态能量。
- 对于多通道或高能环境，考虑并联或与限流元件（如小电阻）配合使用以分担能量。
- 注意峰值功率仅适用于短时脉冲（8/20 μs），非持续导通条件下使用。
六、总结
BST236A054U 以其低结电容、低漏电、高脉冲吸收能力及小型封装的组合，适合对信号完整性和抗干扰能力有较高要求的 5V 系统界面防护。符合 IEC 多项抗干扰标准，能在移动设备、消费电子与工业接口保护中提供可靠的瞬态抑制能力。若需在具体应用中进一步评估钳位表现或多次冲击耐受能力，建议在目标系统中进行实测验证。
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