ESD Protection Diodes | CM1225

4 沟道低电容 ESD 保护阵列

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CM1225 二极管阵列适用于为需要最小电容负载的电子组件或子系统提供 ESD 保护。此器件适用于保护具有较高数据和时钟速率的系统，或需要低电容负载的电路。每个 ESD 沟道均包括一对串联二极管，会将正或负 ESD 电流脉冲转向接地引脚 (VN)。在二极管对正向端子和接地之间嵌入了一个齐纳二极管。因此无需外部旁通电容器将正向 ESD 尖峰吸收到接地。CM1225 会根据 IEC61000-4-2 标准针对最高 ±8kV 的 ESD 脉冲提供保护。CM1225 尤其适用于保护使用高速端口的系统，如 HDMI、DVI、显示器、MDDI、USB 2.0、串行 ATA、IEEE1394（FireWire® 和 i.LINK™）、可擦出存储中的相应端口、数字摄像机、DVD-RW 驱动器，以及其他需要以小封装占位实现极低负载电容和 ESD 保护的应用。CM1225 采用符合 RoHS 标准的 uUDFN 10 引脚封装。

  • General purpose high-speed data line ESD protection
  • Digital TV, Set Top Box, PC/Notebook, Gaming
  • Four channels of ESD protection providing ESD protection to IEC61000-4-2 Level 4 (±8kV contact discharge)
  • Low channel input capacitance of 0.8pF (typically)
  • Channel input capacitance matching (I/O to I/O) of 0.02pF (typically) is ideal for differential signals
  • Zener diode eliminates the need for external bypass capacitors

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CM1225-04DE

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Pb

A

H

P

UDFN-10

517BB

1

260

REEL

3000

N

-

-

Unidirectional

1

-

5.5

1

-

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