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Littelfuse SMBJ43CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMBJ43CA
- 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
- SMBJ43CA
- 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
- BM0000283569
- Operating Temperature
- 65℃~+150℃
- Voltage
- 69.4V
- 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.
SMBJ43CA 产品概述
一、产品简介
SMBJ43CA是由美国力特（Littelfuse）生产的一款表面贴装型瞬态电压抑制器（TVS，Transient Voltage Suppressor），其封装类型为DO-214AA（也称为SMB封装）。该器件专为保护敏感电子设备而设计，能够有效抑制由于瞬态过电压（如静电放电、浪涌电压等）所引发的潜在损害。SMBJ43CA适用于多种应用场合，包括通信设备、计算机、汽车电子和工业控制等。
二、主要规格
- 极性：双向（Bidirectional）
- 峰值脉冲电流（10/1000µs）：8.7A
- 箝位电压（Clamping Voltage）：69.4V
- 击穿电压（Breakdown Voltage）：最小值为47.8V至52.8V
- 反向关断电压（Reverse Stand-off Voltage）：典型值为43V
- 工作温度范围：-65°C至150°C
- 功率 - 峰值脉冲：600W
- 安装类型：表面贴装型
三、工作原理
瞬态电压抑制器的工作原理是，当电路中的电压超出设定的安全值时，器件会迅速导通，将过量的电压短路至地，从而保护下游的敏感元件不受损害。当过电压不再存在时，器件又会恢复到非常高的阻抗状态，确保正常的信号和电源传输。因此，SMBJ43CA能够提供高效的电压抑制保护。
四、应用领域
SMBJ43CA广泛应用于各种需要电压保护的场合，包括但不限于：
- 通信设备：如路由器、交换机及其他网络设备，以防止电源或数据线上的电压尖峰造成损坏。
- 计算机：运用于主板、显卡及其他配件中的电压保护。
- 汽车电子：在现代汽车中，保护各种电子控制单元和传感器免受电压尖冲的影响。
- 工业控制：在自动化设备和控制系统中，确保操作的可靠性和安全性。
五、产品优势
- 双向保护：SMBJ43CA采用双向设计，能够有效应对正负两个方向的瞬态过电压，因此特别适合用于不同极性信号的保护。
- 高导通能力：其峰值脉冲电流为8.7A，确保在突发电压事件中，快速导通以吸收冲击。
- 优良的温度稳定性：适应广泛的工作温度范围(-65°C ~ 150°C)使该产品在恶劣环境中依然能够正常工作。
- 良好的封装设计：DO-214AA（SMB）封装的设计，具备较好的热导性和电气性能，便于进行表面贴装。
六、总结
SMBJ43CA是一款高性能的瞬态电压抑制器，具备强大的过电压保护能力和良好的工作稳定性。其双向特性与宽广的应用场景使得该产品非常适合用于各类电子设备的电压保护，实现高效安全的电子操作。作为一款由著名品牌Littelfuse制造的元器件，SMBJ43CA在市场上具有良好的口碑和信任度，选择此产品无疑能为您的电子设备增添一层可靠的保护。
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