WMSIC Electronic Components

ST STTH4R02U

ST STTH4R02U
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Product image

ModelSTTH4R02U
PackageSMB
BrandST
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 26+

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Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) STTH4R02U
Type
ST
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
STTH4R02U
Electronic Component
1
Package
SMB
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.223g
Electronic Component
1
Electronic Component
BM0084329521
Current
4A
Diode
1
Current(Ir)
3uA@200V
(Vf)
1.15V@4A
Electronic Component
Electronic Component
Electronic Component
2500

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：STTH4R02U 快恢复高效率二极管

一、引言

在现代电子设备中，整流二极管是不可或缺的组件之一，它们用于将交流电转换为直流电，广泛应用于电源电路、开关电源、逆变器等领域。STTH4R02U 是意法半导体（STMicroelectronics）推出的一款高性能快恢复二极管，特别适合需要高效率和快速反向恢复的应用环境。

二、产品特性

  1. 二极管类型： STTH4R02U 是一款标准型快恢复二极管，专为高频和高效率应用而设计。

  2. 电压和电流：

    • 该二极管的最大反向工作电压（Vr）为200V，能够适应多种电源电路的需求。
    • 平均整流电流（Io）为4A，足以支持较大功率的电路设计。
    • 在4A电流时的正向电压（Vf）为1.05V，表现出良好的导通性能。

  3. 反向恢复特性：

    • STTH4R02U 的反向恢复时间（trr）仅为30ns，这使得它在快速开关操作中能够迅速隔离，从而减少开关损耗和提高系统的整体效率。
    • 其快速恢复能力确保了在高频应用中的稳定性，对于电流大于200mA的情况下，反向恢复速度（trr）≤500ns，进一步增强了其适用性。

  4. 反向泄漏电流：在200V的直流反向电压下，反向泄漏电流仅为3µA，极大地减少了待机功耗，适用于对能效有较高要求的设计。

  5. 工作温度：该产品的工作温度范围广，结温最大可达175°C，适用于各类苛刻的工作环境。

  6. 封装与安装方式：

    • STTH4R02U 采用表面贴装型封装（SMB），这种封装不仅便于自动化生产，也提供了良好的散热性能。
    • 封装尺寸为DO-214AA，兼容多种PCB设计。

三、应用领域

STTH4R02U 快恢复高效率二极管适用于以下应用场景：

  1. 开关电源：在电源转换过程中，该二极管可用于高频整流桥电路中，有助于提高转换效率，减少损耗。
  2. 逆变器：特别是在太阳能和风能等可再生能源的逆变器中，STTH4R02U 能够实现优异的电源转换效率，提升整体系统性能。
  3. 电机驱动器：在电机驱动电路中，该二极管可用于抑制反向电流，保护电路元件的安全。
  4. 高频应用：在涉及快速开关操作的电子设备中，该二极管能够最小化延迟，确保设备的响应速度。

四、总结

STTH4R02U 是一款具有出色性能的快恢复二极管，充分满足了高效能和高可靠性的电子应用需求。凭借其高耐压、快速恢复特性和低反向泄漏电流，STTH4R02U 在多种电子应用中均展现出优越的表现，尤其是在开关电源和逆变器领域。其紧凑的SMB封装和宽广的工作温度范围，使得该产品成为高要求设计的理想选择。

无论在工业、消费电子还是其他电子应用领域，STTH4R02U 二极管都将为设计工程师提供可靠的解决方案，确保电子设备在各种复杂环境中正常运行。通过结合 STTH4R02U 的出色规格和广泛的应用范围，设计师们可以在确保设备性能的同时，有效控制系统成本。

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