WMSIC Electronic Components

Littelfuse SMBJ33A

Littelfuse SMBJ33A
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Product image

ModelSMBJ33A
PackageDO-214AA
BrandLittelfuse
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

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Technical data

Product details

20 specifications

Core information

Product name
Littelfuse SMBJ33A
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
SMBJ33A
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
BM0000285553
Operating Temperature
65℃~+150℃
Voltage
53.3V
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.

产品概述：SMBJ33A TVS二极管

一、概述

SMBJ33A是由美国力特（Littelfuse）公司生产的一款表面贴装型瞬态电压抑制（TVS）二极管，具有强大的电气性能和可靠性，广泛用于保护电子设备的电路免受瞬态电压和电流脉冲的影响。该元器件在瞬态过压保护方面表现出色，适用于各种通用应用，特别是在对电源线路和信号线路的保护中，能有效提高系统的稳定性和安全性。

二、主要参数

  1. 电压特性：

    • 反向关断电压（Vr）：33V（典型值），在此电压下，二极管呈现关闭状态，不允许电流通过。
    • 击穿电压（VBR）：36.7V（最小值），当电压超过此值时，二极管会快速转为导通，以保护后端电路。
    • 箝位电压（Vc）：在峰值脉冲电流（Ipp = 11.3A）下的最大值为53.3V，表示在冲击电流下二极管的最大承受电压。

  2. 当前特性：

    • 峰值脉冲电流（Ipp）：11.3A，测量时间为10/1000μs，表明该器件在短时间内可以承受的最大电流。

  3. 功率特性：

    • 峰值脉冲功率：600W，确保在短脉冲期间，SMBJ33A能够有效吸收峰值能量而不损坏。

  4. 工作温度范围：

    • 工作温度为-65°C至150°C（TJ），适合在极端环境条件下使用。

  5. 封装和安装：

    • 采用DO-214AA（SMB）封装，适合表面贴装技术（SMT），使设计更为简洁，节省空间。

三、应用场景

SMBJ33A广泛应用于以下领域：

  • 电源保护：在电源适配器、开关电源等设备中，保护电路免受峰值电压的影响。
  • 信号线保护：在通信设备和数据传输中，防止静电放电（ESD）和电压尖峰对敏感芯片的损坏。
  • 汽车电子：用作汽车电子系统中的保护元件，确保系统在高压瞬态情况下的稳定性。
  • 消费电子：在智能手机、平板电脑等消费类电子产品中，防止电源和信号传输受到电压冲击的影响。

四、优点

  • 高效能：SMBJ33A的设计使其在高压冲击下迅速响应，有助于确保下游电子元件的安全性。
  • 小型化设计：紧凑的DO-214AA封装适合空间受限的电子产品，也便于自动化贴片生产。
  • 广泛的应用范围：其多种特性使其在各种行业中均有良好的适应性，从工业设备到消费产品均可使用。
  • 可靠性：力特作为全球知名的电子元器件制造商，提供高标准的质量保证，SMBJ33A在长时间使用下依旧性能稳定。

五、总结

总之，SMBJ33A是一个性能优越的瞬态电压抑制二极管，具备出色的电气特性和广泛的应用领域，能够有效保护电路免受瞬态电压和脉冲电流的冲击。作为一款高效、可靠且设计紧凑的保护元件，SMBJ33A将为各种电子产品提供强有力的保护，帮助设计工程师构建更安全、稳定的电子系统。

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