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DOWO BV05C
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BV05C
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BV05C
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.027g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 1pF
- Electronic Component
- BM0264866317
- Voltage
- 20V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BV05C 产品概述
一、主要参数
BV05C 为 DOWO（东沃）出品的单路双向瞬态电压抑制器（TVS），面向高可靠性数据线防护。主要电气参数如下：工作电压（Vrwm）5V，击穿电压（VBR）6V，钳位电压约20V，峰值脉冲电流 Ipp = 22A（8/20μs），峰值脉冲功率 Ppp = 450W（8/20μs），反向泄漏电流 Ir ≤ 1μA，结电容典型值 Cj = 1.0 pF。单通道、双向极性，封装为 SOD-323。
二、关键特性
- 双向保护：可同时吸收正负极性瞬态，适用于差分信号或交替极性环境。
- 高能量吸收：450W（8/20μs）峰值脉冲功率，能有效应对雷击感应和电源突波。
- 低钳位电压：钳位值约20V，能在大幅度抑制瞬态同时保护后级器件。
- 低漏电与低电容：Ir ≤ 1μA 与 1 pF 的结电容，适合高速接口，降低信号失真与串扰。
- 安全规范：满足 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）及 IEC 61000-4-5（雷击/浪涌）等抗干扰等级。
三、典型应用场景
BV05C 特别适用于对电磁兼容和信号完整性要求高的场合，例如：
- 以太网接口（10/100/1000Base-T）差分对保护；
- 手机、便携终端的输入/输出接口防护；
- 工业控制与通信设备需要对抗静电放电与浪涌的前端保护。
四、封装与布局建议
SOD-323 小封装便于空间受限的设计。为发挥最佳保护效果，建议将 BV05C 靠近被保护端口（如 RJ45 或器件引脚）布置，走线尽量短且宽，接地层需可靠以便快速泄放能量。SOD-323 焊盘与散热铜箔相配合可提升瞬态能量承受能力。
五、选型与使用建议
- 对于千兆以太网场景，1 pF 的低电容特性可最大限度保持差分信号完整性，推荐每条差分线配备相应 TVS。
- 若系统可能遭遇更高能量浪涌，应考虑并联更大功率或采用多级浪涌抑制方案。
- 使用时注意工作电压匹配（Vrwm = 5V）与被保护器件的耐压裕量，避免长期超出额定应力。
BV05C 以其小体积、低电容与高脉冲承受能力，为需要高速信号保护且对 EMC 有严格要求的设计提供了可靠且经济的解决方案。
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