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Littelfuse SMAJ14A
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMAJ14A
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- SMAJ14A
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.124g
- Electronic Component
- 1
- Electronic Component
- BM0228069626
- Operating Temperature
- 65℃~+150℃
- Voltage
- 23.2V
- Current(Ir)
- 17.2uA
- Voltage(VBR)
- 15.6V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ14A 产品概述
一、产品简介
SMAJ14A是一款高性能的瞬态电压抑制二极管（TVS），由美国力特（Littelfuse）公司生产，采用DO-214AC（SMA）封装，专为保护电子设备免受高电压脉冲和静电放电（ESD）的影响而设计。其基础参数显示出优异的电压和功率性能，广泛应用于各种电源线路和电路中，以确保设备的安全和稳定。
二、主要特性
极性特征: SMAJ14A为单向（Unidirectional）结构，适用于需要单方向电流流动的电路。
击穿电压: 该器件的反向击穿电压最小值为15.6V，而其典型的反向关断电压则为14V，确保在正常工作条件下不会产生误触发。
箝位电压: SMAJ14A的箝位电压为23.2V，在高峰值脉冲电流下能保持较低的输出电压，为后级电路提供更高的保护。
峰值脉冲电流: 其在10/1000微秒的峰值脉冲电流可达到17.2A，能够有效应对突发的高能量瞬态。
峰值脉冲功率: SMAJ14A能承受最高400W的峰值脉冲功率，适合高负载应用环境。
宽工作温度范围: 该器件的工作温度范围为-65°C到150°C，适应不同工作环境的需求。
封装与安装: SMAJ14A采用表面贴装型（SMD）封装，具有较小的体积，适合现代电子产品的紧凑设计，提高了装配效率。
三、应用领域
SMAJ14A广泛应用于各种电子产品中，主要包括：
电源保护: 在电源线路中，能够有效抑制电压变化，保护敏感电子部件正常工作。
通信设备: 保护通信设备免受瞬态电压对数据信号的干扰，确保信号的稳定传输。
自动化控制: 在工业自动化控制系统中，防止过电压对控制电路和传感器的影响。
消费电子: 提供对智能手机、平板电脑和其他消费电子设备的保护，延长使用寿命。
军事和航空航天: 在极端环境下仍能可靠工作，适用于军用和航空航天设备。
四、使用注意事项
在使用SMAJ14A时，需要特别注意以下几点：
确保安装方向正确: 由于该器件为单向二极管，安装时需要确保极性正确以避免损坏。
热管理: 在高温和高功率应用中，需要做好散热设计，以保障器件在安全工作温度范围内运行。
合理选型: 在选择SMAJ14A时，需根据具体应用的瞬态电压要求及电流情况合理选型，避免超出其最大规格导致失效。
五、总结
SMAJ14A是一款功能强大且高效的瞬态电压抑制二极管，结合了高击穿电压、优越的脉冲电流承受能力和宽广的工作温度范围。其单向结构和小型化设计使其非常适合现代电子设备中的电源保护应用。随着电子产品对稳定性和安全性要求的不断提高，SMAJ14A的应用前景将愈发宽广，在未来的发展中将继续发挥其重要作用。
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