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CJ ESDBL3V3Y1
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJ ESDBL3V3Y1
- Type
- CJ
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CJ
- Electronic Component
- ESDBL3V3Y1
- Electronic Component
- 1
- Package
- WBFBP-02C-A
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.009g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 15pF
- Electronic Component
- BM0257360510
- Operating Temperature
- 55℃~+150℃
- Voltage
- 10V
- Electronic Component
- IEC 61000-4-2
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ESDBL3V3Y1 X — TVS二极管产品概述
一、产品简介
ESDBL3V3Y1 X 为 CJ（江苏长电/长晶）出品的单路双向瞬态电压抑制二极管（TVS），专为3.3V信号线及接口的ESD保护而设计。器件采用WBFBP-02C-A封装，集成低电容和高抑制能力，适用于高速数据线和敏感管脚的瞬态过压防护。
二、主要电气参数
- 工作极性：双向（Bidirectional），适合差分或双向信号线保护。
- 反向截止电压 Vrwm：3.3V（标称工作电压）。
- 击穿电压 Vbr：6V（典型）。
- 钳位电压 Vclamp：10V（8/20µs，峰值钳位）。
- 峰值脉冲电流 Ipp：7A（8/20µs）。
- 峰值脉冲功率 Ppp：70W（8/20µs）。
- 反向漏电流 Ir：400nA（常温，Vrwm下）。
- 结电容 Cj：15pF，适配高速信号特性。
- 工作温度范围：-55℃ 至 +150℃。
- 防护等级：符合 IEC 61000-4-2 ESD 抗扰度要求。
三、特点与优势
- 低结电容（15pF），对高速接口影响小，适合USB、HDMI、SATA、LVDS等数据线保护。
- 双向结构无需极性区分，适合交流或差分信号。
- 钳位电压控制良好（约10V@8/20µs），在短时间内有效限制过电压以保护后端器件。
- 高峰值脉冲能力（7A/70W），能承受常见静电和浪涌事件。
- 宽工作温度和低漏电保证在严苛环境下稳定工作。
四、典型应用场景
- 消费类电子（手机、平板、笔记本外围接口）。
- 工业与通信设备的接口保护（以太网、串口、CAN）。
- 汽车电子非高压总线的辅助保护（车载信息娱乐、传感器接口）。
- 物联网、可穿戴设备等对尺寸与信号完整性敏感的场合。
五、封装与布局建议
- 封装：WBFBP-02C-A，体积小，便于贴片组装。
- PCB布线：将器件尽量靠近受保护的接口或连接器放置，缩短引线长度以降低感性阻抗。
- 接地：为获得最佳放电通路，应确保附近有低阻抗接地回路；必要时在器件附近增加保护地平面。
- 信号完整性：对于高速差分对，注意配对走线和控制阻抗，避免在保护器件前后产生不必要的串扰或反射。
六、使用注意事项
- 虽为双向型号，仍需确认系统最大工作电压及钳位容忍度，避免击穿后对下游电路造成持续应力。
- 焊接与回流应按照厂商推荐工艺执行，避免超温或长时高温影响可靠性。
- 长期暴露在高温、高湿或强腐蚀环境下，应采取额外封装或涂层保护。
- 在高能脉冲测试或重复击穿场景中，注意评估器件寿命并预留冗余保护方案。
七、总结
ESDBL3V3Y1 X 以其低电容、双向保护和较高能量吸收能力，适合用于3.3V系统中对信号完整性与ESD抗扰度均有较高要求的场合。合理的PCB布置与接地设计能发挥其最佳保护效果，提升系统抗静电能力与可靠性。若需进一步的典型波形、封装尺寸图或推荐应用电路，可参考供应商数据手册或联系厂家技术支持。
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