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ST ESDCAN04-2BLY ESDCAN04
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ST(STMicroelectronics) ESDCAN04-2BLY
- Type
- ST
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- ESDCAN04-2BLY
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.036g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 17pF
- Electronic Component
- BM0229299255
- Operating Temperature
- 40℃~+150℃
- Voltage
- 43V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ESDCAN04-2BLY 产品概述
一、产品简介
ESDCAN04-2BLY 是意法半导体（ST）推出的一款汽车级双路瞬态电压抑制器（TVS），专为汽车总线和高速数据线（如CAN 总线）设计的浪涌与静电防护器件。器件为双向保护，封装为 SOT-23，集成双通道保护，适用于要求高可靠性和宽温度范围的车载应用。
二、主要电气参数要点
- 极性：双向（支持正负瞬态冲击）
- 反向截止电压 Vrwm：25.5 V（工作电压窗口）
- 击穿电压（典型）：30.7 V
- 钳位电压 Vc：43 V（Ipp 条件下）
- 峰值脉冲电流 Ipp：3 A @ 8/20 µs
- 峰值脉冲功率 Ppp：230 W @ 8/20 µs
- 反向电流 Ir：50 nA（低漏电）
- 结电容 Cj：17 pF（低容性，适合高速信号线）
- 通道数：双路（双线保护）
- 工作温度：-40 ℃ 至 +150 ℃（汽车级温度范围）
- 防护等级：符合 IEC 61000-4-2（ESD 抗扰）
- 封装：SOT-23（小型化，便于贴片组装）
三、核心特性与优势
- 双向保护：可在正负脉冲情况下工作，适合汽车环境中极性不确定或反向瞬态的场景。
- 低结电容（17 pF）：对高速差分信号影响小，适用于 CAN、LIN 或其他高速通信线路，能保持信号完整性。
- 强劲的脉冲承受能力：230 W（8/20 µs）和 3 A 峰值脉冲电流，能有效吸收瞬态浪涌与电磁干扰。
- 宽温工作范围与汽车级认证：-40 ~ +150 ℃ 和 IEC 61000-4-2 级别保证在苛刻车规环境下稳定可靠。
- SOT-23 封装：体积小、成本低，便于在受空间限制的车载模块中布置。
四、典型应用场景
- 汽车 CAN 总线（CAN_H / CAN_L）差分线防护
- 车载网关、ECU、传感器接口的输入端口保护
- 车用通信模块、高速数据链路的过压/静电防护
- 汽车充电系统或车身电子模块的瞬态抑制
五、设计与布局建议
- 器件应尽可能靠近外部连接器或浪涌源放置，以缩短受保护轨迹并降低环路电感。
- 对双线差分总线，分别保护两条信号线，确保器件两通道对应布局对称，减少不平衡引入。
- 在需要时可配合系列阻抗（如小阻值限流电阻或共模电感）以分担能量并改善系统抗扰度。
- 注意焊盘与散热设计，SOT-23 虽小但在大能量吸收时仍需良好热路径以避免局部过热。
- 对于严格的信号完整性要求，利用器件低 Cj 特性并通过 PCB 仿真验证对差分特性的影响。
六、结论
ESDCAN04-2BLY 为面向汽车应用的双路双向 TVS，兼具高能量吸收能力与低结电容特性，适用于 CAN 等高速差分总线的瞬态与静电防护。其汽车级温度范围和符合 IEC 61000-4-2 的抗 ESD 能力，使其在车载电子系统中成为可靠且经济的防护选择。设计时结合合理的 PCB 布局与外围匹配元件，可实现最佳的防护效果与信号性能。
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