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Leiditech ESD3.3V88D-LA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Leiditech ESD3.3V88D-LA
- Type
- LEIDITECH
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LEIDITECH
- Electronic Component
- ESD3.3V88D-LA
- Electronic Component
- 1
- Package
- DFN1006
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.01g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 12pF
- Electronic Component
- BM0229921447
- Operating Temperature
- 55℃~+125℃
- Voltage
- 10V
- Electronic Component
- IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 500nA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ESD3.3V88D-LA 产品概述
一、产品简介
ESD3.3V88D-LA 是 Leiditech（雷卯电子）推出的一款单通道瞬态过电压/静电放电保护器件，采用小型 DFN1006 封装，适用于对 3.3V 工作电压线路的过压、静电冲击防护。器件响应快速、耐受能量高，工作温度范围宽（-55℃ 至 +125℃），符合 IEC 61000-4-2（ESD）与 IEC 61000-4-5（浪涌）防护要求。
二、关键性能参数
- 反向截止电压 Vrwm：3.3V
- 击穿电压：3.5V
- 钳位电压：10V（典型冲击条件下）
- 峰值脉冲功率 Ppp：80W @ 8/20μs
- 反向电流 Ir：500 nA
- 结电容 Cj：12 pF
- 通道数：单路
- 工作温度：-55℃ ~ +125℃
- 封装：DFN1006
三、主要优势
- 小尺寸低占位：DFN1006 适合空间受限的便携设备与高密度板级设计。
- 高能量吸收能力：80W@8/20μs 的脉冲吸收能力可应对较强的雷击/浪涌事件（配合系统设计）。
- 低泄漏电流：Ir 仅 500 nA，有利于低功耗系统应用。
- 响应快速、单通道保护：适合单条数据或电源线路的点护设计。
四、典型应用场景
- 3.3V 电源线和单端数据线防护（MCU I/O、控制信号等）。
- 通信接口与外设接口上的浪涌与静电防护。
- 工业与消费类电子中要求体积小、耐受瞬态干扰的场合。
五、布局与使用建议
- 器件应尽量靠近被保护的连接器或信号入口放置，连接线短且粗，减少走线环路面积以提高放电效果。
- 将器件地端直接接入单点接地或保护地，确保返回路径短而低阻抗。
- 对于需要严格信号完整性的高速接口，注意 Cj = 12 pF 可能对带宽有影响，需在原型验证中评估对上升/下降时间和眼图的影响。
- 在面对高能量浪涌时，建议与串联阻抗（如小电阻）或滤波元件配合使用，以降低钳位电压对受保护器件的冲击。
六、注意事项与选型建议
- 虽然器件在脉冲测试条件下钳位电压可达 10V，但该电压远高于 3.3V 工作电压，在没有额外限流或分压保护时可能对敏感器件造成应力。设计时应结合系统容许电压与保护策略综合评估。
- 对于对超低结电容有严格要求的高速接口（USB、MIPI 等），建议在选型前进行实际信号链测试或考虑更低 Cj 的保护元件。
- 通过样片验证实际应用环境下的 ESD/浪涌等级与长期可靠性，确认器件在目标应用中的保护效果。
如需封装焊盘建议、原理接线或与具体接口匹配的保护方案，我可以依据您的电路细节提供更具体的设计建议。
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