EMC抗扰性是设备为在电磁环境中正常运行而对可能造成物理损坏的电磁能量接收进行限制的能力。静电放电（也称为ESD）就属于这一类。ESD可能以瞬态电压的形式出现，但其快速上升时间也可以导致辐射，产生谐波，强大到足以与其他信号耦合，从而使应用呈现不稳定的行为。这意味着ESD是一个威胁，必须保护印刷电路板不受影响。
如何选择正确的ESD保护？
要选择正确的ESD保护，必须验证3个参数。
1.ESD保护对于应用必须是透明的。
要做到这一点，保护电容必须与应用带宽一致（如果是模拟应用），或者与数据速率一致（如果是数字应用）。
2.当发生ESD事件时，ESD保护必须起作用。
为了选择具有最佳钳位电压的保护器件，建议选择VRM刚好高于最大线路电压的ESD保护器件。
3.为了避免在开启后发生快速恢复保护闭锁，保持电压必须高于直流线路电压，以确保良好的系统集成度。
ESD保护的产品类型
意法半导体的ESD产品组合提供单向和双向二极管阵列，支持众多个人电子设备，包括智能手机、音频附件和物联网设备、工业应用（如计量或医疗电子设备），以及家庭网关、服务器和存储设备等通信设备。
这些产品可采用各种SMD封装，包括市面上最小的单线式封装（如01005和0201），以及流行的SOT23, 0402 (SOD882)、QFN和工业应用中常用的DFN封装。
ESD保护的优点
它们还针对电气过应力提供稳健性和可靠的钳位电压能力，符合以下标准：
- IEC 61000-4-2关于ESD保护（超过Level 4标准），最高±30 kV（空气放电）和 ±30 kV（接触放电）
- 关于浪涌抗扰度的IEC 61000-4-5标准
围绕MCU的ESD保护和EMI滤波器实例
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在一小时的网络研讨会中，您将学习如何使用意法半导体的ESD防护组件让您的电子系统更可靠地抵御破坏性静电放电(ESD)。日程：1）ESD根本原因和EMC标准，2）意法半导体的ESD 防护组件可以有助于您的应用抵御ESD影响，3）通过许多真实的应用示例说明防护组件可以在哪些方面发挥重要作用，4）如何选择最适合您用例的防护组件
- ESDAULC6-3BP6 ESD Protection for high speed interface
- ESDA8V2-1J EOS and ESD Transil™ protection for charger and battery port
- USB6B1 Unidirectional 2 lines Filter + ESD + Vbus
- ESDZV5-1BV2 Ultra Low clamping single line bidirectional ESD protection in extra small 01005 package
- ESDALC6V1-5P6 ESD Protection for high speed interface
- ESDZV201-1BF4 Low clamping, low capacitance bidirectional single line ESD protection
- ESD051-1BF4 Low clamping single line bidirectional ESD protection
- ESDAULC5-1BF4 Low clamping & ultra low capacitance bidirectional single line ESD protection
- ESDAVLC8-1BU2 Single-line low capacitance Transil™, transient surge voltage suppressor (TVS) for bidirectional ESD protection
- ESDA25B1 TRANSIL ARRAY FOR ESD PROTECTION
- ESDA6V1-4BC6 QUAD BIDIRECTIONAL TRANSIL SUPPRESSOR FOR ESD PROTECTION
- ESDALC6V1M3 DUAL LOW CAPACITANCE TRANSIL ARRAY FOR ESD PROTECTION
- ESDALC8-1BF4 Low clamping single line bidirectional ESD protection
- USBLC6-4 Very low capacitance ESD protection
- ESDALC6V1Px Low capacitance TRANSIL array for ESD protection
- ESDAL DUAL TRANSIL ARRAY FOR ESD PROTECTION
- ESDL20-1BF4 Low clamping, low capacitance bidirectional single line ESD protection
- ESDA17-5SC6 Transil™ array for ESD protection
- ESDALC12-1T2 Single line transient surge voltage suppressor (TVS) for data and power line
- USBLC6-2 ESD Protection for USB 2.0 High Speed
- ESDL031-1BF4 Ultra-low clamping single line bidirectional ESD protection
- ESDZV053-1BF5 Ultra low clamping single line bidirectional ESD protection in extra small 01005 package
- ESDA14V2-4BF3 QUAD BIDIRECTIONAL TRANSIL ARRAY FOR ESD PROTECTION
- ESDZV5-1BU2 Ultra Low clamping single line bidirectional ESD protection
- ESDZV5H-1BU2 Ultra Low clamping single line bidirectional ESD protection
- ESD051-1F4 Low clamping single line unidirectional ESD protection
- ESDA6V1-5SC6 Transil™ (TVS) array for ESD protection
- ESDA25SC6 Quad Transil™ array for ESD protection
- ESDV5-1BF4 Low clamping, very low capacitance bidirectional single line ESD protection
- ESDALCL5-1BM2 Single-line low capacitance and low leakage current ESD protection
- ESDALCL6-2SC6 Very low capacitance and low leakage current ESD protection
- ESDAVLC8-1BM2 Single-line low capacitance Transil™, transient surge voltage suppressor (TVS) for ESD protection
- ESDALCL6-4P6A Multi-line low capacitance and low leakage current ESD protection
- ESDA5V3SC6 Quad Transil™ array for ESD protection
- ESDA6V1SC6 Quad Transil™ array for ESD protection
- ESDA19SC6 Quad Transil™ array for ESD protection
- ESDA14V2SC6 Quad Transil™ array for ESD protection
- ESDALC6V1-1U2 Single-line low capacitance Transil™ for ESD protection
- DSILC6-4xx ESD Protection for high speed interface
- ESDAVLC8-1BT2 Single-line low capacitance Transil™, transient surge voltage suppressor (TVS) for ESD protection
- ESDA-1K EOS and ESD Transil™ protection for charger and battery port
- DALC112 LOW CAPACITANCE DIODE ARRAY FOR ESD PROTECTION
- ESDALC5-1BT2 Single-line low capacitance Transil™, transient surge voltage suppressor (TVS) for ESD protection
- DALC208 LOW CAPACITANCE DIODE ARRAY
- ESDALC5-1BM2 Single-line low capacitance Transil™, transient surge voltage suppressor (TVS) for ESD protection
- ESDALC5-1BF4 Low clamping and low capacitance bidirectional single line ESD protection
- ESDALC6V1W QUAD TRANSIL ARRAY FOR ESD PROTECTION
- ESDAVLC6-1BF4 Single-line low capacitance Transil™, transient surge voltage surpressor (TVS)
- ESDA14V2-1BF3 Single-line bidirectional Transil" array for ESD protection
- ESDA14V2SC5 Quad Transil™ array for ESD protection
- ESDA6V1SC5 Quad Transil™ array for ESD protection
- ESDZV5HS-1BF4 Ultra-low clamping single line bidirectional ESD protection
- ESDALC6V1-1M2 Single line low capacitance Transil™, transient surge voltage suppressor (TVS) for ESD protection
- DA112S1 DIODE ARRAY
- ESDZL5-1F4 Low clamping, low capacitance unidirectional single line ESD protection
- ESDALC14-1BU2 Low clamping and low capacitance bidirectional single line ESD protection
- DA108S1 DIODE ARRAY of 8 diodes
- ESDA14V2-2BF3 Dual bidirectional Transil array for ESD protection
- ESDALC14-1BF4 Low clamping and low capacitance bidirectional single line ESD protection
- ESDALC14V2-1U2 Single-line low capacitance Transil" for ESD protection
- ESDAxxxWx TRANSIL array for data protection
- ESDA37W Dual Transil array for ESD protection
- ESDA6V1-5M6 TRANSIL ARRAY FOR ESD PROTECTION
- ESDZV18-1BF4 Low clamping, low capacitance bidirectional single line ESD protection
- ESDALC6V1-5M6 5-line low capacitance Transil™ arrays for ESD protection
- ESDA6V1BC6 QUAD BIDIRECTIONAL TRANSIL SUPPRESSOR FOR ESD PROTECTION
- ESDA5V3SC5 Quad Transil™ array for ESD protection
- ESDALC6V1-1BU2 Single-line low capacitance Transil\TM for bidirectional ESD protection
- ESDALC20-1BF4 Low clamping, low capacitance bidirectional single line ESD protection
- ESDAVLC5-1BF4 Low clamping, very low capacitance bidirectional single line ESD protection
- ESDZV5-1BF4 Ultra Low clamping single line bidirectional ESD protection
- ESDU401-1BF4 40 V single line ESD protection with ultra-low capacitance
- ESDAVLC5-4BX4 4-line bidirectional Transil™, transient surge voltage suppressor for ESD protection
- ESDA6V1U1 TRANSIL ARRAY FOR ESD PROTECTION
- ESDAxxxP6 TRANSIL ARRAY FOR ESD PROTECTION