Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ST SMAJ12A-TR TVS Diode SMAJ12A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ST(STMicroelectronics) SMAJ12A-TR
- Type
- ST
- Unit
- Electronic Component
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- SMAJ12A-TR
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.13g
- Electronic Component
- 1
- Electronic Component
- BM0000287315
- Operating Temperature
- 55℃~+150℃
- Voltage
- 25.3V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 200nA
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：SMAJ12A-TR
1. 产品简介
SMAJ12A-TR是由意法半导体（STMicroelectronics）生产的一款高性能瞬态电压抑制二极管（TVS二极管），专门设计用于过压保护应用。其表面贴装型（SMA，DO-214AC）封装使其能够方便地集成到各种电子电路中，同时支持自动化焊接工艺，适合于现代电子设备的高效生产需求。
2. 基础参数与特性
极性：单向器件，适合于电流双向情况下的瞬态电压保护。
峰值脉冲电流（Ipp）：这款二极管能够承受高达20.1A的脉冲电流（10/1000µs脉冲），并且在8/20µs的快速脉冲情况下，额定峰值电流可达91A，提供强大的浪涌电流保护能力。
击穿电压与箝位电压：其最小击穿电压为13.3V，反向关断电压的典型值为12V，而在工作时可以有效地限制电压至最高19.9V，最大箝位电压可达到25.3V。这些参数确保了在瞬态高压条件下，电路中的敏感元件能够得到安全的保护。
功率能力：该器件支持高达400W的峰值脉冲功率，这使其适用于各种高功率和快速切换的应用场景。
工作温度范围：SMAJ12A-TR的工作温度范围为-55°C至150°C，确保在极端环境条件下仍能保持稳定性能。
3. 应用领域
SMAJ12A-TR广泛应用于多种电子设备和电路中，特别是在以下领域：
- 消费电子产品：如电视、音响和其他家用电器，防止电网波动导致的损坏。
- 工业设备：在高压或敏感设备中提供过压保护。
- 通信设备：保护网络和通信设备，防止瞬态电压对电路组件造成破坏。
- 汽车电子：用于保护车载电子设备，抵御高电压或电流尖峰。
4. 安装与封装
SMAJ12A-TR采用SMA（DO-214AC）封装，具有良好的热管理性能，适用于表面贴装技术（SMT）。这一封装类型不仅尺寸小巧，还有助于节省印刷电路板的空间，同时改善产品的整体可靠性与稳定性。
5. 结论
SMAJ12A-TR是一个极具竞争力的瞬态电压抑制二极管，以其高性能和可靠性成为了各类电路中不可或缺的保护元件。凭借其宽广的应用领域、优异的电流和电压参数以及便利的安装类型，SMAJ12A-TR为设计工程师在电源管理、设备保护方面提供了强有力的支持。设计师虽需对其应用环境和电气特性进行综合考量，但无疑，SMAJ12A-TR是追求高可靠性和性能的理想选择。
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