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Littelfuse SMCJ28CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMCJ28CA
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- SMCJ28CA
- Electronic Component
- 1
- Package
- DO-214AB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.367g
- Electronic Component
- 1
- Electronic Component
- BM0000283814
- 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.
SMCJ28CA 产品概述
概述
SMCJ28CA 是由Littelfuse（美国力特）生产的一款高性能瞬态电压抑制二极管（TVS二极管）。该元件被设计用于保护电子设备免受瞬态过压事件（如静电放电或雷电浪涌）造成的损害。其双向极性设计使其适用于各种电路，尤其是在具有反向电流的应用中，提供高效的过压保护。
主要参数
- 极性：双向（Bidirectional）
- 峰值脉冲电流（10/1000μs）：33.1A
- 箝位电压：45.4V
- 击穿电压（最小值）：31.1V
- 反向关断电压（典型值）：28V
- 工作温度范围：-55°C至150°C (TJ)
- 封装类型：DO-214AB（SMCJ）
电气特性
SMCJ28CA 的击穿电压在31.1V以上，能够在电压超过其反向关断电压（28V）时迅速导通。这使得该器件在防止电流冲击所造成的损害时能够有效工作。在瞬态脉冲条件下（如10/1000μs），其峰值脉冲电流可达到33.1A，确保在高电流瞬态情况下能稳定工作而不发生故障。
其箝位电压为45.4V，表明在过压情况下它能够将过压电平限制在此水平，从而保护下游电路组件，避免因电压过高而引起的损坏。这一特性特别适用于各种敏感电子设备。
应用领域
SMCJ28CA被广泛应用于各类电子设备的电源线路保护，例如：
- 消费电子产品：如手机、平板电脑、计算机和其他便携设备，旨在保护内部电路避免因外界电压波动而造成的损害。
- 工业设备：用于PLC、工业自动化设备以及相关控制系统，确保在电网故障或电气噪声存在时设备的可靠运行。
- 汽车电子：保护汽车内的传感器、控制单元和其他电子元件，防止因电压突波引发的故障。
- 通信设备：确保通信硬件在雷电或电气干扰的环境中能稳定工作。
设计和安装
SMCJ28CA采用表面贴装型DO-214AB封装，适宜现代电子电路设计，便于自动化贴装和小型化设计。其广泛的工作温度范围（-55°C至150°C）使其能够在极端环境下可靠运行。此外，该产品具有相对较高的功率处理能力，能够在峰值脉冲条件下承受最高达到1.5KW的功率，确保其在各种瞬态情况中的稳定性。
结论
总之，SMCJ28CA是一款高性能的瞬态电压抑制二极管，结合了高峰值脉冲电流、良好的箝位电压特性以及广泛的应用场景，使其成为保护电子设备的重要选择。无论是在消费品、工业设备，还是汽车电子领域，SMCJ28CA均能缩短设备的反应时间，保护敏感元件，确保可靠性和安全性，因而是许多电子设计工程师的理想之选。
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