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MDD SMBJ30A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD SMBJ30A
- Type
- MDD
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- SMBJ30A
- 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
- BM0211974440
- Operating Temperature
- 65℃~+150℃
- Voltage
- 48.4V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 36.8V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ30A TVS二极管产品概述
一、产品简介
SMBJ30A是一种表面贴装型瞬态抑制二极管（Transient Voltage Suppressor，TVS），其主要作用是保护敏感的电子设备免受瞬态电压尖峰的影响。它的额定电压为30V，采用SMB封装（DO-214AA），该封装形式使其在电路板上的安装更加简便，适合高密度布局的应用。
二、产品特点
瞬态电压抑制：SMBJ30A能够有效抑制电路中的瞬态过电压，保护后端电路不受损坏。它能够在快速的瞬态情况下保持较低的钳位电压，确保敏感设备的正常工作。
单向设计：该元件为单向TVS二极管，能够在正向电压方向上有效工作，可以用于电源线的过压保护。
SMB封装：SMB（DO-214AA）封装结构紧凑，适合于表面贴装技术（SMT），方便自动化线路板生产。小尺寸也有利于提升电路板的空间利用率。
高功率处理能力：SMBJ30A可以承受较大的瞬态电流峰值，适合多个不同的电流冲击场合。
温度范围：该产品具有较宽的工作温度范围，通常在-55°C到+150°C之间，保证其在各种环境条件下的可靠性。
三、应用领域
SMBJ30A广泛应用于多种电子设备的保护场合，包括但不限于：
通信设备：在网络交换机、路由器等设备中，SMBJ30A可以防止雷击、静电放电（ESD）和其它瞬态干扰对电路板的损害。
消费电子：在智能手机、平板电脑和其他消费类电子产品中保护敏感线路，确保产品可靠性的持续性。
工业控制：用于各种工业控制设备，如PLC、传感器和控制器，可以有效降低因电流尖峰导致的设备故障风险。
汽车电子：现代汽车中充满了电子系统，包括导航、车载娱乐以及安全系统，SMBJ30A在这些系统中提供重要的过压保护，确保运行稳定。
四、工作原理
SMBJ30A的工作原理非常简单。当电路中出现瞬态电压（例如雷电击穿或电源的瞬时过电压）时，TVS二极管会迅速导通，将过电压分流到地线，从而防止过电压传递到敏感电路中。当瞬态信号消失后，TVS二极管会迅速恢复到阻断状态，允许电路正常工作。对于电稳压和ESD的保护，SMBJ30A能够在极短时间内响应，提供即时保护。
五、规格参数
- 额定电压（VWM）： 30V
- 钳位电压（VC）： 典型值为45V
- 峰值脉冲电流（IPP）： 最高可达100A（在某些条件下）
- 回零时间： 快速响应，通常在纳秒级别
- 封装： SMB(DO-214AA)
六、总结
综上所述，SMBJ30A TVS二极管以其优异的性能和多样化的应用场景，成为电子电路设计中不可或缺的保护元件。它通过有效的瞬态电压抑制措施，极大地提高了电路的稳定性和可靠性，推动了智能电子设备的持续发展。在日益复杂和高要求的电子产品设计中，选用SMBJ30A将是明智的选择。
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