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Littelfuse SMAJ28CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMAJ28CA
- 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
- SMAJ28CA
- 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
- BM0000285526
- 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.
SMAJ28CA 产品概述
产品名称: SMAJ28CA
品牌: Littelfuse（美国力特）
封装类型: DO-214AC（SMA）
1. 概述
SMAJ28CA 是一种双向瞬态电压抑制 (TVS) 二极管，专为提供高效的过压保护而设计。其主要应用于保护敏感电子元器件免受瞬态电压峰值的影响，广泛用于消费电子、通信设备、数据线和汽车电子等领域。该器件凭借其卓越的电气特性和紧凑的表面贴装设计，成为现代电子产品设计中的理想选择。
2. 主要特点
- 极性: 双向（Bidirectional），可适用于各种电流和电压极性变化的应用场景。
- 峰值脉冲电流: 在10/1000μs的脉冲宽度下，峰值脉冲电流可达8.8A，显示出其良好的瞬态响应能力。
- 箝位电压: 高达45.4V，能够有效限制过压状态下的电压峰值，从而保护后续电路不被损坏。
- 击穿电压: 最小击穿电压为31.1V，符合多种保护需求，系统在工作中可以保持安全的电平。
- 反向关断电压: 典型的反向关断电压为28V，为很多低压操作提供了必要的保护。
- 峰值脉冲功率: 在瞬态情况下，该器件能够承受高达400W的功率，确保足够的能量处理能力。
- 工作温度范围: 广泛的工作温度-65°C至150°C，适应多种环境条件，保证在极端条件下的稳定性。
3. 应用场景
SMAJ28CA TVS 二极管适合多种应用场景，包括但不限于：
- 消费电子产品: 保护手机、平板电脑及其接口不受静电放电（ESD）和电压浪涌（例如雷击）等瞬态事件的影响。
- 通信设备: 保护网络设备、调制解调器及其他通信设备，使其能够在不稳定电压环境中保持稳定运行。
- 工业设备: 在各种工业仪器中，防止由于过电压导致的设备损坏，确保机器的可靠性和稳定性。
- 汽车电子: 在汽车电子系统中，保护传感器和控制电路，确保在恶劣的工作环境中也能安全运行。
4. 安装与封装
SMAJ28CA采用DO-214AC（SMA）封装，这种表面贴装型设计方便在现代电路板上实现高密度布局。其较小的体积和良好的热性能使其易于集成于各种电子设备中，同时，表面贴装的特性也加快了装配过程，提高了生产效率。
5. 总结
在现代电子产品设计中，SMAJ28CA提供的高效瞬态电压抑制解决方案是防护电路和保护元件的重要组成部分。凭借其高峰值电流承受能力、广泛的工作温度范围和有效的电压箝位特性，使得该器件适用于多种苛刻应用场景，是设计师在选择过压保护元器件时的重要考虑。通过合理的选用 SMAJ28CA，可以为各种电子设备提供可靠的电气保护，降低故障风险，延长设备使用寿命。
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