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Littelfuse SMBJ30A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMBJ30A
- 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
- SMBJ30A
- Electronic Component
- 1
- Package
- DO-214AA
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.202g
- Electronic Component
- 1
- Electronic Component
- BM0000287335
- Operating Temperature
- 65℃~+150℃
- Voltage
- 48.4V
- 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：SMBJ30A TVS二极管
一、基本信息
SMBJ30A是一种表面贴装型瞬态电压抑制器（TVS）二极管，主要用于提供电力线路的过压保护。该器件的设计旨在保护敏感电子组件不受瞬态电压尖峰（如静电放电和电涌）造成的损害。作为一种双向元件，SMBJ30A广泛应用于电源端口、通信设备、消费电子和汽车电子等各种场合。
二、主要参数
- 极性：单向通道（Unidirectional）
- 峰值脉冲电流（Ipp，10/1000μs）：12.4A
- 箝位电压（VWM，48.4V）：当电流达到额定峰值时，器件能够钳制瞬态电压在48.4V以内，以保护下游电路。
- 击穿电压（VBR，最小值33.3V）：在施加到二极管的电压达到33.3V时，将会开始导通。
- 反向关断电压（VR，典型值30V）：在此电压下，二极管处于关闭状态。
- 功率（峰值脉冲功率）：600W，这使得它可以处理高强度的瞬态电压。
- 工作温度范围：-65°C ~ 150°C，能够在极端环境下正常工作。
- 封装类型：SMB，符合DO-214AA标准，适合各种自动化贴装工艺。
三、应用领域
SMBJ30A TVS二极管在多个领域均有广泛的应用：
- 电源端口保护：可用于电子设备的强电源输入端，以防止电流突发情况造成的损害。
- 通信设备：在各种通信线路中，可以有效抑制电压浪涌，保证信号的完整性。
- 消费电子：例如智能手机、平板电脑和家用电器等，对电源的保护至关重要。
- 汽车电子：在汽车电子控制单元（ECU）中，SMBJ30A能够为电路提供有效的过压保护。
四、优势
- 保护能力强：具备优越的瞬态抑制能力，能够承受高达12.4A的峰值脉冲电流，从而能有效保护后端电路。
- 广泛的工作温度范围：能够在极端高低温条件下保持优异的性能，这对许多工业和汽车应用至关重要。
- 易于安装：表面贴装类型的封装设计，使得其在现代电子设备中的安装更加简单和高效。
- 小型化封装：SMB封装不仅减小了PCB的占用空间，还方便了局部电路的设计与布局。
五、总结
SMBJ30A TVS二极管凭借其卓越的电气性能和广泛的应用场景，已成为电路保护领域中不可或缺的重要元件。其高峰值电流能力、低击穿电压和可靠的热性能，使其成为工程师在设计电源保护方案时的理想选择。无论是在消费电子、通信还是汽车电子行业，选择SMBJ30A都能确保设备在瞬态电压条件下的安全与可靠性。
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