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UMW SMAJ12CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW SMAJ12CA
- Type
- UMW
- Minimum package
- 1800 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- 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
- 0.117g
- Electronic Component
- 1
- Electronic Component
- BM0224411939
- Voltage
- 19.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 13.3V
- Electronic Component
- Electronic Component
- Electronic Component
- 1800
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ12CA 产品概述
一、产品简介
SMAJ12CA 是一款由友台半导体（UMW）制造的双向瞬态电压抑制器（TVS），旨在为电子设备提供有效的过电压保护。其设计允许器件在遭遇瞬时电压尖峰时快速响应，并将过电压限制在安全范围内，有效保护后端电路不受损坏。这款器件具有12V的击穿电压，并且可以承受高达20.1A的峰值脉冲电流，是保护各种电子电路的理想选择。
二、产品特性
额定电压: SMAJ12CA 的额定击穿电压为12V，使其适用于多种需要电压保护的电路，从低电压设备到中等电压应用。
脉冲峰值电流: 该器件可以处理的峰值脉冲电流高达20.1A，意味着它可以有效吸收突发的过电压信号，保护电路组件不受电流过载的影响。
双向保护: SMAJ12CA 的双向设计允许它同时在正向和反向过电压条件下工作，这为电源和信号线的保护提供了更为灵活的方案，适合多种应用场景。
封装形式: 本产品采用DO-214AC（SMA）封装，体积小巧，适合在空间受限的电路板上使用。SMA封装具有良好的散热能力，可以有效降低器件运行时的温升，从而提高其可靠性。
响应时间: SMAJ12CA 的响应时间极短，一般在纳秒级别，这使其能够在电压瞬变的早期快速发挥保护作用，最大限度地减少对下游电路的影响。
可靠性和稳定性: 该器件具有出色的长期稳定性和可靠性，能够承受多次过电压冲击，降低故障率，延长设备的使用寿命。
三、应用场景
SMAJ12CA 适用于多种应用领域，包括：
通信设备: 在数据通信接口、电话和网络设备中，提供信号线和电源线的过电压保护，确保信号的稳定传输。
消费电子: 在手机、平板电脑、电视等消费电子产品中，保护电源和敏感的电子元件，比如传感器和处理器。
工业设备: 在工业自动化设备中，用于保护控制系统和外部传感器，确保设备在高低电压冲击下仍能正常工作的稳定性。
汽车电子: 随着车载电子设备的增加，SMAJ12CA 可以用于保护汽车电子控制单元（ECU）和各种传感器，防止电压浪涌造成的损坏。
四、工作原则
SMAJ12CA 的工作原理是通过其二极管结构，在电压超过指定阈值时，迅速转变为导通状态，形成低阻抗通路，将多余的电压安全地释放到地或者其他指定路径，确保电路中重要元件的安全。同时，由于其特有的设计，在电压瞬变发生时不会造成延迟反应，而是迅速进入工作状态，极大地降低了可能对电路造成的损害。
五、结论
SMAJ12CA 双向瞬态电压抑制器以其卓越的性能和多样的应用场景而成为现代电子电路设计中的重要组成部分。通过选用该产品，设计师能够有效提升电路的鲁棒性，降低因过电压而导致的损坏风险，确保电子系统的稳定运行。无论是在消费电子、通信、工业自动化还是汽车电子领域，SMAJ12CA 都是保护电路的理想选择。
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