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Littelfuse SMBJ40A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMBJ40A
- 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
- SMBJ40A
- 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
- BM0000283237
- Operating Temperature
- 65℃~+150℃
- Voltage
- 64.5V
- 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.
SMBJ40A 产品概述
SMBJ40A是一款由美国力特（Littelfuse）公司生产的单向瞬态电压抑制二极管（TVS二极管），其设计旨在为电子设备提供有效的过电压保护。该元器件主要应用于各种电路和系统中，以保护敏感的电子元器件免遭瞬态电压（如电涌、静电放电等）造成的损害。
基本参数
- 极性：Unidirectional（单向）
- 峰值脉冲电流（10/1000µs）：9.3A
- 箝位电压：64.5V
- 击穿电压（最小值）：44.4V
- 反向关断电压（典型值）：40V
- 功率 - 峰值脉冲：600W
- 工作温度范围：-65°C ~ 150°C（晶体管接合区，TJ）
- 封装类型：表面贴装型（DO-214AA/SMB）
主要特性
瞬态电压抑制能力：SMBJ40A的设计能够在瞬态电压事件发生时迅速响应，并通过其内部结构将过电压和浪涌电流限制在安全范围内，从而保护电路中的其他元器件。
高峰值脉冲电流能力：这款TVS二极管能够承受高达9.3A的峰值脉冲电流（10/1000µs），这使其在面对瞬态过电压时具备良好的抗干扰能力。
高箝位电压：在峰值脉冲电流下的箝位电压为64.5V，这为被保护设备提供了良好的保护，从而减少因过电压引起的损害风险。
宽工作温度范围：SMBJ40A的工作温度范围宽广（-65°C至150°C），使其适合在多种工作环境下使用，包括高温和低温应用场景。
表面贴装封装：该二极管采用DO-214AA（SMB）封装，方便在自动化贴片生产中进行批量生产，同时适合于狭小空间的电路布局。
应用场景
SMBJ40A广泛应用于各种需要过电压保护的电子设备，包括但不限于：
- 通信设备
- 消费电子产品
- 工业控制系统
- 汽车电子系统
- 电源管理电路
无论是保护微控制器、传感器还是其他敏感元器件，SMBJ40A都能够有效提高系统的可靠性，减少故障率。
总结
作为一款高效的瞬态电压抑制器，SMBJ40A凭借其优越的电气特性和广泛的适用性，在电子保护领域中发挥着重要作用。其稳定性和可靠性使其成为保护敏感组件的理想选择，为设计工程师和制造商带来了极大的便利，确保电子产品在瞬态电压环境下的稳定运行。无论是在设计阶段还是在实际应用中，SMBJ40A都能够为各类设备提供强有力的保护，为用户的电子产品赋予更高的安全性和耐用性。
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