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Littelfuse SMCJ40A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse SMCJ40A
- 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
- SMCJ40A
- Electronic Component
- 1
- Package
- DO-214AB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.448g
- Electronic Component
- 1
- Electronic Component
- BM0000003508
- Operating Temperature
- 65℃~+150℃
- Voltage
- 64.5V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2；IEC 61000-4-5
- Current(Ir)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMCJ40A 产品概述
概述
SMCJ40A 是一款由 Littelfuse（美国力特）生产的高性能瞬态电压抑制 (TVS) 二极管，采用表面贴装型封装（DO-214AB），专为电路保护设计。该元件特别适用于对面对瞬时电压冲击的电子设备进行快速和有效的保护，确保电路的稳定性与可靠性。其工作温度范围广泛，使其适用于多种工业和消费电子应用。
主要参数
- 最大箝位电压 (Vclamp): SMCJ40A 的最大箝位电压为 64.5V，能够在超出此电压的情况下迅速响应，从而保护后端电子设备不受损害。
- 反向断态电压 (V_R): 该元件的典型反向断态电压为 40V，适合于多种交流和直流应用，能够有效防止电流的反向流动。
- 电流 - 峰值脉冲 (Ipp): SMCJ40A 可以承受的峰值脉冲电流为 23.3A（在 10/1000 µs 脉冲宽度下），确保能够应对瞬间出现的高电流情况。
- 电压 - 击穿 (VBR): 其击穿电压的最小值为 44.4V，保证了在一定的电流条件下设备能够及时进行保护。
- 功率 - 峰值脉冲: 产品在瞬态条件下的峰值功率为 1500W（1.5kW），这是非常卓越的性能，适应高能量冲击的场景。
工作环境
SMCJ40A 适应的工作温度范围为 -55°C 到 150°C，能够在极端环境中稳定工作，这使其非常适合于需要高可靠性的应用场合，如汽车电子、工业控制、通信设备等。这一特性使其在满足严格的温度要求的同时，保持优异的电气性能。
应用场景
SMCJ40A TVS二极管可广泛应用于：
- 汽车电子: 在汽车内各种控制模块、导航设备和信息娱乐系统中，用于抑制电压瞬变。
- 消费电子: 保护手机、平板电脑及其他便携设备的电路免受过电压和瞬态电流的影响。
- 通信设备: 在基站、路由器等网络设备中，避免过电压对重要电路造成损害。
- 工业控制: 在PLC、传感器及其他关键设备中，提供过电压保护以保证系统稳定性。
封装特点
SMCJ40A 采用标准的表面贴装型封装（DO-214AB），具有紧凑的体积和良好的热性能，使其能够快速有效地散热，降低在工作过程中的温升，增强设备的整体性能。同时，它的表面贴装特性使得在自动化焊接和组装过程中更为方便，符合现代电子设备小型化和高集成度的发展趋势。
结论
总的来看，SMCJ40A 是一款极具竞争力的TVS二极管，凭借其高额的峰值功率承受能力、优秀的电压拦截特性和广泛的工作温度范围，成为电路保护领域的重要解决方案。无论在工业、汽车还是消费电子领域，SMCJ40A 都能为系统的安全与可靠提供有力保障。这使得其成为了电路设计师和工程师在设计防护电路时的首选元件之一。
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