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Littelfuse SMAJ28A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMAJ28A
- 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
- SMAJ28A
- 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
- BM0000283218
- Operating Temperature
- 65℃~+150℃
- Voltage
- 45.4V
- Electronic Component
- IEC 61000-4-4；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：SMAJ28A - Littelfuse（美国力特）TVS二极管
一、产品简介
SMAJ28A是一款由美国力特（Littelfuse）生产的瞬态电压抑制（TVS）二极管，广泛应用于电子电路的保护领域。该器件采用DO-214AC（SMA）封装，适合于表面贴装（SMD）应用。它的设计旨在保护敏感电子设备免受瞬态电压（如静电放电（ESD）及浪涌）可能造成的损坏，确保电路的稳定性和可靠性。
二、主要参数
极性与通道：
- 本产品为单向TVS二极管（Unidirectional），即其电流只能朝一个方向流动。这种设计使得其在反向电压下具有良好的稳定性，适用于特定配置的电路保护。
电压和功率特性：
- 反向关断电压（Vrwm）：典型值为28V。这是器件在正常工作条件下的最大反向电压。
- 击穿电压（Vbr）：最小值为31.1V，此电压下器件开始导通，提供电压抑制。
- 箝位电压（Vc）：箝位电压在额定峰值脉冲电流（Ipp）下达到的最大值为45.4V，为保护电路提供额外的安全边界。
- 峰值脉冲电流（Ipp）：该器件能够承受的最大脉冲电流为8.8A（10/1000µs）。
功率评级：
- 峰值脉冲功率：在瞬态条件下，SMAJ28A能够承受最高400W的峰值脉冲功率，适合许多快速上升的瞬态电压情况。
工作温度范围：
- SMAJ28A具有宽广的工作温度范围，从-55°C到150°C，这使得它能够在各种苛刻环境下稳定工作，符合工业应用的需求。
封装和安装：
- 使用DO-214AC（SMA）封装，表面贴装型设计使其在现代电路设计中便于安装和布局。
三、应用领域
SMAJ28A广泛应用于多个电子产品和设备领域，包括但不限于：
- 消费电子：智能手机、平板电脑、电视等，保护其内部电路免受过电压威胁。
- 工业设备：在各种自动化设备、机床和控制器中，用于防止信号线路的电压瞬变。
- 通信设备：保障网络设备和相关通讯装置在电压波动中保持稳定。
- 汽车电子：随着汽车智能化的推进，该器件在诸如车载导航、仪表盘显示等电子系统中越来越受欢迎。
四、产品优势
- 高可靠性：Littelfuse作为全球知名的保护元件制造商，其产品在业内享有良好的声誉，SMAJ28A凭借其高质量的材料与生产工艺，保证了极高的可靠性。
- 节省空间：表面贴装型的设计，使得在电路设计中对空间的占用更少，特别适合小型化的电子产品。
- 易于使用：标准的SMA封装方便设计师进行布局，适配现有的PCB设计。
- 优良的热特性：宽广的工作温度范围以及良好的导热性能确保在各种环境中稳定运行。
结语
综上所述，SMAJ28A是一款高性能的TVS二极管，凭借其出色的电气特性和广泛的应用范围，成为了众多电子产品设计中的首选保护器件。选择SMAJ28A，不仅能有效防护您的电路安全，同时也能提升最终产品的整体品质与可靠性。
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