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Littelfuse(美国力特) SMAJ12CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMAJ12CA
- 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
- SMAJ12CA
- 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
- BM0000288316
- Operating Temperature
- 65℃~+150℃
- Voltage
- 19.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 13.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：SMAJ12CA
一、产品简介
SMAJ12CA是一款高性能的瞬态抑制二极管（TVS），专为保护敏感电子器件免受瞬态电压尖峰（如浪涌和静电放电）损害而设计。此产品由知名品牌Littelfuse（美国力特）制造，具有优异的性能和广泛的适用性，确保电子设备的稳定性和可靠性。
二、主要规格
峰值脉冲电流（Ipp）: 肖特基二极管的峰值脉冲电流为20.1A（10/1000μs），确保在面对瞬态电压尖峰时能够提供足够的保护。
箝位电压: 在峰值脉冲电流状态下，SMAJ12CA的箝位电压为19.9V。这意味着在电路出现突发性电压时，二极管能够有效限制电压，保护后端电路不受损害。
击穿电压: 剩余电压点的最小击穿电压为13.3V，电流的反向关断电压（典型值）为12V。在正常工作条件下，电子设备的电压不会出现超出保护范围的情况。
工作温度范围: -55°C到150°C，适用于各种复杂环境下的应用。
封装类型: 采用表面贴装型封装（DO-214AC，SMA），便于在现代PCB布局中使用，能够容纳更多元件并提高集成度。
功率承载能力: SMAJ12CA的峰值脉冲功率为400W，进一步增强了其可靠性和耐用性。
三、应用领域
SMAJ12CA因其杰出的电气性能和宽泛的工作温度范围，适用于以下多个领域：
消费电子: 适用于手机、平板电脑、电视和家用电器等产品的电源线路保护，防止突发电压对设备的损害。
汽车电子: 保护汽车内电子设备（如导航仪、车载音响）免受瞬态电压带来的影响。
工业设备: 用于工业控制系统、PLC和仪器仪表，防止由于电涌（如电动机启动或关闭）引起的故障。
通信设备: 在网络设备、交换机和信号处理器中使用，以防止电磁干扰和瞬态电压导致的故障。
四、优势
双向保护: SMAJ12CA具有双向电流特性，能够有效应对反向和正向电压尖峰，具有优良的浪涌电流处理能力。
高可靠性: 采用优质材料生产，确保长时间使用过程中的稳定性和可靠性，适合各种工业和消费电子应用。
小体积，易于集成: SMA封装设计使该元件体积小巧，便于PCB设计和集成，适合现代紧凑型电路板的需求。
广泛的工作温度范围: 能够在极严酷的环境条件下工作，是多种应用场景下电源保护解决方案的理想选择。
五、总结
SMAJ12CA是一款出色的瞬态电压抑制器，具备高峰值脉冲电流承载能力、优良的箝位电压和宽工作温度范围等特性。凭借其卓越的性能和广泛的应用领域，该产品已成为保护电路设计中不可或缺的一部分。对于希望提升产品可靠性和稳定性的设计工程师而言，选择SMAJ12CA将是明智的决策。
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