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MDD SMBJ28A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD SMBJ28A
- Type
- MDD
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- SMBJ28A
- 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
- BM0229465234
- Operating Temperature
- 65℃~+150℃
- Voltage
- 45.4V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 34.4V
- 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.
产品概述: SMBJ28A TVS二极管
一、产品简介
SMBJ28A是一款专为电路保护设计的瞬态电压抑制二极管（TVS），该器件主要用于对敏感电子设备提供静电放电（ESD）和浪涌电流的保护。SMBJ28A的额定反向截止电压为28V，具有高峰值脉冲功率（Ppp）600W和峰值脉冲电流（Ipp）可达13.3A，能够在瞬态电压形成的情况下迅速限制电压，以保护后续电子元件的安全。
二、主要参数
- 击穿电压 (VBR): 34.4V — 表示在特定条件下二极管开始导通的电压。
- 反向截止电压 (Vrwm): 28V — 阻挡电流的最大值，超过此电压可能导致元件损坏。
- 反向漏电流 (Ir): ≤1uA — 表示在反向截止状态下的电流消耗，反向漏电流越小，器件的性能越优越。
- 峰值脉冲功率 (Ppp): 600W — 能够承受的最大峰值功率，有效保护后端电路。
- 峰值脉冲电流 (Ipp): 13.3A — 瞬态电压冲击下可承受的最大电流，确保在高电流情况下二极管依然能够有效运作。
- 最大钳位电压 (Vc): 45.4V — 在浪涌条件下，该电压值是二极管导通后能够承受的最大电压，超过该值可能会损害受保护电路。
- 工作温度范围: -65℃ ~ +150℃ — 显示该器件能够在极端环境下稳定运行，适合各种应用场合。
- 封装类型: SMB(DO-214AA) — 该封装设计体积小，适合高密度电路、便于散热。
三、应用场景
SMBJ28A主要用于各种消费电子产品、通讯设备、工业控制设备等领域，能够有效防止由静电放电、浪涌电流及瞬态高电压所造成的电子组件损坏。具体应用场景包括：
通信设备: 保护通信电路免受闪电和静电放电的影响，避免信号中断和数据丢失。
汽车电子: 在汽车内的电子控制系统和传感器中，SMBJ28A可以防止电路受到瞬态高电压的冲击，确保系统的稳定可靠。
消费电子: 用于手机、平板、电视机等设备，确保长时间稳定运行，延长电子产品的使用寿命。
工业应用: 保护工控设备和传感器，避免设备因过压而损坏，从而提升系统的安全性和可靠性。
四、设计考量
在选择合适的TVS二极管时，应考虑电路的工作电压、可能遇到的浪涌电流强度，以及环境的工作温度范围。SMBJ28A适合对电压有明确限制要求的电路，且其恶劣环境下的工作能力使其成为许多工业和消费领域的理想选择。此外，还需注意选型时保证二极管的钳位电压高于后续负载的耐受极限，以确保在极端情况下保护好后面的电路。
五、总结
SMBJ28A二极管以其优越的瞬态抑制能力和广泛的应用范围，成为电子元器件市场上受欢迎的保护解决方案之一。其灵活的封装和出色的性能，使其适合于各种不同的电气保护需求，是设计工程师在选择保护元件时的理想选择。通过合理应用SMBJ28A，能够有效提升电路的安全性与可靠性，避免因电压瞬态而导致的设备损坏。
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