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ST SMBJ28A-TR SMBJ28A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ST(STMicroelectronics) SMBJ28A-TR
- Type
- ST
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- SMBJ28A-TR
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.224g
- Electronic Component
- 1
- Electronic Component
- BM0000283230
- Operating Temperature
- 55℃~+150℃
- Voltage
- 45.4V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 1uA
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：SMBJ28A-TR
基本信息 SMBJ28A-TR 是由意法半导体（STMicroelectronics）推出的一款高性能瞬态电压抑制二极管（TVS），采用SMB（DO-214AA）封装，专为保护敏感电子元器件免受瞬态过电压的影响而设计。该器件特别适用于需要高峰值电流和快速响应时间的应用场景。
主要电气特性
- 极性：单向（Unidirectional），适合应用于正向电压保护。
- 击穿电压：最小击穿电压为31.1V，能够在电压高于该值时迅速导通，提供保护。
- 反向关断电压：典型值为28V，确保在正常工作状态下不干扰信号。
- 峰值脉冲电流（Ipp）：具有强大的瞬态电流承受能力，10/1000微秒脉冲电流的峰值为13.8A，这使其适用于快速变化的过压环境。
- 箝位电压：在高电流下的最大箝位电压达到45.4V，这意味着在过压事件中能有效限制通过负载的电压，保护后面的电路。
功率处理能力 SMBJ28A-TR 的峰值脉冲功率为600W，确保其在处理即可产生高能量瞬态时不会失效。这种特性使其在多种应用中成为理想选择，例如电源模块、通信设备、汽车电子等领域。
温度特性 该器件支持宽工作温度范围，从-55°C到150°C，其中TJ（结温）允许在更极端的环境中使用。此特性使SMBJ28A-TR非常适合于工业和汽车等严苛工作环境。
安装方式与封装 SMBJ28A-TR 采用表面贴装型（SMT）封装，SMB（DO-214AA）外壳设计使其在现代PCB设计中具有良好的适应性。表面贴装技术（SMT）可以降低组装工艺复杂性，并提高生产效率。
应用场景 SMBJ28A-TR 广泛应用于以下领域：
- 通信设备：保护数据传输系统免受浪涌电流或电压尖峰影响，确保信号质量。
- 汽车电子：在车辆电气系统中为ECU、传感器以及其他关键组件提供安全保护，防范瞬态过电压的损害。
- 工业控制系统：在工业自动化和控制板中应用，有效保护控制逻辑和传感器。
- 消费电子：例如手机、平板电脑等便携设备中，也需防止静电放电（ESD）和其他瞬态干扰。
总结
SMBJ28A-TR 是一款性能优越、可靠性高的瞬态电压抑制二极管，凭借其优秀的电气特性和广泛的应用范围，为电子产品的稳定性和安全性提供了强大的保障。选择SMBJ28A-TR，有助于提升系统的耐用性并延长产品寿命，是电子产品设计师的理想选择。
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