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FUXINSEMI PESD3V3L1BA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FUXINSEMI PESD3V3L1BA
- Type
- FUXINSEMI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- FUXINSEMI
- Electronic Component
- PESD3V3L1BA
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Voltage
- 6V
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- BM0265133013
- Operating Temperature
- 55℃~+125℃
- Voltage
- 12V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PESD3V3L1BA 产品概述
一、产品简介
PESD3V3L1BA 是 FUXINSEMI（富芯森美）推出的一款面向3.3V系统的单通道双向 ESD/浪涌保护二极管，封装为 SOD-323。器件专为高速信号线和电源侧的静电放电（ESD）与瞬态浪涌抑制设计，具有低漏电、快速响应和小体积等特点，适合移动终端、通信设备、消费电子及工业控制中的接口防护。
二、主要特性
- 反向截止电压（Vrwm）：3.3V，适配常见3.3V逻辑/接口保护要求；
- 击穿电压（Vbr）：约 6V，保证在超压时迅速进入导通状态；
- 峰值脉冲功率（Ppp）：450W，能承受短时大能量脉冲；
- 峰值脉冲电流（Ipp）：30A，在高脉冲电流下仍能有效钳位；
- 最大钳位电压：12V（在规定脉冲条件下），有效限制被保护电路承受电压；
- 反向漏电流（Ir）：≤1µA（在 Vrwm 条件），降低静态功耗对系统影响；
- 极性：双向，支持往返正负极性瞬变，适合双向信号线保护；
- 通道数：单路；
- 工作温度范围：-55℃ 至 +125℃；
- 封装：SOD-323，体积小，适合表面贴装与自动化生产。
三、典型应用
- 3.3V 微控制器/接口（GPIO、UART、SPI 等）保护；
- USB、HDMI、耳机插孔等外部接口的浪涌及静电保护（单通道场合）；
- 手机、平板、笔记本及可穿戴设备的信号线防护；
- 工业控制与传感器接口的瞬态浪涌抑制。
四、封装与可靠性
SOD-323 小体积封装便于 PCB 密集布局和自动高速贴装。器件适应宽工作温度（-55℃～+125℃），可满足消费级到一定工业级环境的温度与可靠性需求。双向结构无需考虑极性方向，简化布局与维护。
五、使用建议与注意事项
- 布局上尽量将 PESD3V3L1BA 放置在被保护引脚与外部连接器之间，靠近连接器引脚以缩短寄生电感和导线长度；
- 为保证最优性能，建议器件的地线短而粗，若为系统地与外壳地分离，应确保良好回流路径；
- 在高能量浪涌场合，需配合熔断器、限流电阻或更高功率的TVS器件共同设计，避免单器件承受超额能量；
- 在焊接与回流工艺中，请参考制造商推荐的温度曲线和工艺参数，避免过热造成封装或电特性损伤；
- 由于为单通道器件，在多通道系统中需按通道数选用相应数量的器件或选择多通道封装器件。
六、选型与采购信息
型号：PESD3V3L1BA
品牌：FUXINSEMI（富芯森美）
封装：SOD-323（表面贴装）
适用系统电压：3.3V 类信号线保护
如需批量采购或获取器件数据手册、典型电路与 PCB 参考封装，请联系供应商或厂家代理，确认具体测试条件下的脉冲波形与钳位曲线，以便在具体应用中进行精确设计与可靠性评估。
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