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Littelfuse SMBJ45CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMBJ45CA
- 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
- SMBJ45CA
- 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
- BM69413566
- Operating Temperature
- 65℃~+150℃
- Voltage
- 72.7V
- 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.
SMBJ45CA 产品概述
产品背景与介绍
SMBJ45CA 是由美国力特 (Littelfuse) 生产的一款高效能齐纳稳压二极管，广泛应用于电子电路中的过压保护。它采用表面贴装型设计，封装类型为 DO-214AA（SMB），这使得其具备较小的体积和适合现代电子设备的高参数特性。该产品的设计目标主要是为保护敏感电子元器件免受瞬态电压的影响。
基础参数
- 类型: 齐纳二极管
- 双向通道: 1
- 反向断态电压（典型值）: 45V
- 击穿电压（最小值）: 50V
- 电压 - 箝位（最大值，针对不同 Ipp）: 72.7V
- 峰值脉冲电流（10/1000µs）: 8.3A
- 峰值脉冲功率: 600W
- 电源线路保护: 无
- 应用范围: 通用
工作环境与技术参数
SMBJ45CA 能在极端气候条件下稳定运行，其工作温度范围为 -65°C 到 +150°C。这一特性使其适用于航空航天、汽车、工业及其他需要高可靠性的领域。由于其卓越的热稳定性和设计，SMBJ45CA 适合各种消费电子产品、计算机、通讯设备及其他电子系统中使用。
封装与安装
SMBJ45CA 的封装设计采用 DO-214AA（SMB）的标准，配备表面贴装技术，使得其在制造和组装过程中的表现更加高效，并占用更少的空间。该封装能够提供良好的散热特性，确保二极管在高压脉冲情况下也能快速响应而不发生失效。
性能特征
SMBJ45CA 在过压情况下的表现尤为突出，其最大反向击穿电压为 72.7V，在面对瞬态电压冲击时具有兼顾高功率和电流承受能力的特点，确保能够提供可靠的线路保护。其额定的峰值脉冲功率可达到 600W，这一参数在保护电路元件方面极其重要，能够有效吸收瞬时高能量并防止电路损坏。
应用领域
由于其广泛的电压范围和高脉冲承载能力，SMBJ45CA 被广泛应用于电子设备电源保护、电流限制、浪涌保护等场景。可以在自动化设备、汽车电子、医疗仪器，甚至是消费电子产品中找到其身影。尤其在需要快速场景切换或者高速开关的应用中，SMBJ45CA 的高响应能力与可靠性使其成为理想选择。
结论
SMBJ45CA 齐纳二极管凭借其优异的电气特性、高度可靠的设计以及广泛的适用性，成为了现代电子设备中不可或缺的保护元器件之一。对于设计工程师而言，它不仅具备良好的线路保护能力，还能在各种极端环境条件下持续工作，保障整个系统的安全与稳定性。选择 SMBJ45CA，便是为您的电路添加了一层坚固的保护屏障。
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