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用于电源线浪涌保护的齐纳二极管有助于提高设备的可靠性：CEZ系列，CUZ系列，MUZ系列，MSZ系列
Product News 2020-08
东芝电子元件及存储装置株式会社（简称“东芝”）将依次生产CEZ、CUZ、MUZ、MSZ四个系列的24款齐纳二极管产品。这些产品可防止半导体器件受开关浪涌、感应雷电过压[1]以及静电放电（ESD）[2]影响。
电路开关时，设备电源线内可产生电压高达数千伏、脉冲宽度达毫秒级的开关浪涌电压。这些新产品不仅能防止半导体器件受操作过压以及接近直流频率的过压影响，还可使半导体器件不受宽度达数百纳秒的静电放电（ESD）[2]和微秒级脉冲宽度的感应雷电过压[1]的影响。此外，凭借低动态电阻和低钳位电压等特性，这类产品还可通过吸收浪涌降低半导体器件上的外施电压，从而提高设备可靠性。
上述产品对应的齐纳电压范围为5.6V-24V（典型值），适用于绝大多数电源线，这些产品有四种封装形式。该产品线共有24款产品，可用于各种配电线路和安装区域。
备注：
[1]根据IEC61000-4-5标准，tp＝8／20μs
[2]根据IEC61000-4-2
特性
- 可防止脉冲宽度从微秒级到毫秒级不等的浪涌影响。
- 低动态电阻
- 低钳位电压
- 范围较宽的电压产品线：VZ（典型值）＝5.6V至24V
- 各种规格的封装产品线：四种通用封装方式
应用
- 消费类设备（家用电器、办公自动化设备、电源等）
- 工业设备（电源等）
产品规格
（当Ta＝25°C时）
| 系列 | 器件型号 | 封装 | 绝对最大额定值 | 齐纳电压 VZ 当IZ＝5时 （V） |
钳位电压 VC[3][4] 典型值 （V） |
动态电阻 RDYN[3] 典型值 （Ω） |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 名称 | 典型尺寸 （mm） |
静电放电ESD VESD[2] （kV） |
峰值脉冲 电流 IPP[1] （A） |
||||||||
| 接触放电 | 空气放电 | 最小 | 典型值 | 最大 | |||||||
| CEZ | CEZ5V6 | SOD-523 （ESC） |
1.6× 0.8× 0.6 |
±30 | 12 | 5.3 | 5.6 | 6.0 | 9 | 0.16 | |
| CEZ6V2 | 11 | 5.8 | 6.2 | 6.6 | 10 | 0.21 | |||||
| CEZ6V8 | 10 | 6.4 | 6.8 | 7.2 | 13 | 0.27 | |||||
| CEZ12V | 7 | 11.4 | 12 | 12.6 | 26 | 0.7 | |||||
| CEZ16V | 5.5 | 15.3 | 16 | 17.1 | 27 | 0.5 | |||||
| CEZ24V | 4.5 | 22.8 | 24 | 25.6 | 36.5 | 0.6 | |||||
| CUZ | CUZ5V6 | SOD-323 （USC） |
2.5× 1.25× 0.9 |
±30 | 12 | 5.3 | 5.6 | 6.0 | 9 | 0.16 | |
| CUZ6V2 | 11 | 5.8 | 6.2 | 6.6 | 10 | 0.21 | |||||
| CUZ6V8 | 10 | 6.4 | 6.8 | 7.2 | 13 | 0.27 | |||||
| CUZ12V | 7 | 11.4 | 12 | 12.6 | 26 | 0.7 | |||||
| CUZ16V | 5.5 | 15.3 | 16 | 17.1 | 27 | 0.5 | |||||
| CUZ24V | 4.5 | 22.8 | 24 | 25.6 | 36.5 | 0.6 | |||||
| MUZ | MUZ5V6 | SOT-323 （USM） |
2.0× 2.1× 0.9 |
±30 | 12 | 5.3 | 5.6 | 6.0 | 9 | 0.16 | |
| MUZ6V2 | 11 | 5.8 | 6.2 | 6.6 | 10 | 0.21 | |||||
| MUZ6V8 | 10 | 6.4 | 6.8 | 7.2 | 13 | 0.27 | |||||
| MUZ12V | 7 | 11.4 | 12 | 12.6 | 26 | 0.7 | |||||
| MUZ16V | 5.5 | 15.3 | 16 | 17.1 | 27 | 0.5 | |||||
| MUZ24V | 4.5 | 22.8 | 24 | 25.6 | 36.5 | 0.6 | |||||
| MSZ | MSZ5V6 | SOT-346 （S-Mini） |
2.9× 2.5× 1.1 |
±30 | 12 | 5.3 | 5.6 | 6.0 | 9 | 0.16 | |
| MSZ6V2 | 11 | 5.8 | 6.2 | 6.6 | 10 | 0.21 | |||||
| MSZ6V8 | 10 | 6.4 | 6.8 | 7.2 | 13 | 0.27 | |||||
| MSZ12V | 7 | 11.4 | 12 | 12.6 | 26 | 0.7 | |||||
| MSZ16V | 5.5 | 15.3 | 16 | 17.1 | 27 | 0.5 | |||||
| MSZ24V | 4.5 | 22.8 | 24 | 25.6 | 36.5 | 0.6 | |||||
备注：
[3]TLP参数：Z0＝50Ω，tp＝100ns，tr＝300ps，平均窗口：t1＝30ns至t2＝60ns，通过TLP特性的最小二乘法拟合实现ITLP1＝16A到ITLP2＝30A之间的动态电阻提取。
[4]ITLP＝16A
内部电路
应用电路实例
本文所示应用电路仅供参考。需要进行全面评估，特别是在量产设计阶段。提供这些应用电路实例并不授予任何工业产权许可。
特性比较（参考）[5]
![The illustration of characteristic figures (reference)[5] of Zener diodes for power line surge protection contributing to improvement of equipment reliability : CEZ series, CUZ series, MUZ series, MSZ series.](/content/dam/toshiba-ss-sales/shared/image/business-unit-info/discrete/png/1081_4_e.png)
![The illustration of characteristic figures (reference)[5] of Zener diodes for power line surge protection contributing to improvement of equipment reliability : CEZ series, CUZ series, MUZ series, MSZ series.](/content/dam/toshiba-ss-sales/shared/image/business-unit-info/discrete/png/1081_5_e.png)
备注：
[5]截至2020年7月，上述数值均由东芝测量
[6]当产品安装在FR4电路板（25.4×25.4mm，铜片645mm2）上、Ta＝25°C时，TLP参数：Z0＝50Ω，tp＝100ns，tr＝300ps，平均窗口：t1＝30ns到t2＝60ns
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