【经验】选择性价比高、寿命长、可靠性强、稳定性高、契合度高的MOSFET时需要考虑的5大参数因素

时间： 2023-07-07 来源：华轩阳电子公众号

技术问答

选型帮助

研发客服

商务客服

在电路设计中，选择性价比高、寿命长、可靠性强、稳定性高、契合度高的MOSFET是至关重要的。为确保选择的MOSFET符合这些标准，我们建议考虑以下几个因素和参数：

1、额定电压（V_DS）
选择MOSFET时，需要考虑其最大耐受电压。确保所选MOSFET的最大额定电压大于电路中出现的最高电压。如果所选MOSFET的最大额定电压小于电路中出现的最高电压，则可能会导致电路失效或烧坏MOSFET。

2、最大漏极电流（I_D）

最大漏极电流是指MOSFET在额定电压下能够承受的最大电流。需要确保所选MOSFET的最大漏极电流大于电路中出现的最大电流。如果所选MOSFET的最大漏极电流小于电路中出现的最大电流，则可能会导致MOSFET过热或损坏，从而影响电路的正常工作。

3、静态电阻（R_DS(on)）
静态电阻是指MOSFET在导通状态下的电阻。静态电阻越小，MOSFET的导通性能越好。因此，需要选择静态电阻较小的MOSFET，以确保电路中的能量损耗最小。

4、开关速度（t_d(on) / t_d(off)）
MOSFET的开关速度是指它从导通状态到截止状态的转换速度，通常以开关时间来表示。开关时间越短，MOSFET的开关速度越快，电路的稳定性越好。因此，需要选择开关速度较快的MOSFET，以确保电路的稳定性。

5、热阻（R_θcj）
热阻是指MOSFET从结节到外壳的温度梯度。热阻越小，MOSFET的热耗损越小，寿命越长。因此，需要选择热阻较小的MOSFET，以确保MOSFET的寿命。

综上所述，选择一个性价比高、寿命长、可靠性强、稳定性高、契合度高的MOSFET时，需要考虑以上几个因素和参数，并且需要确保导通电阻RDS(on)符合需求。只有在这些因素和参数都满足的情况下，才能选出最适合电路的MOSFET。为了确保电路的稳定性和可靠性，我们建议在选择MOSFET时，不要妥协任何一个因素或参数，而是要注重整体性能.

发送到邮箱 |
+1 赞 0
收藏
评论 0
| 转发至：

本文由ll转载自华轩阳电子公众号，原文标题为:选择MOSFET建议考虑的因素，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

全部评论（0）

暂无评论

探讨如何在同步整流的应用中，提高MOSFET的稳定性和效率

MOSFET在电子设备中扮演着重要的角色，特别是在同步整流应用中。华轩阳电子建议您通过选择适当的MOSFET、优化驱动电路、实施良好的热管理、匹配负载、使用反馈回路以及进行功耗分析，您可以提高电路的稳定性和效率，从而改善产品的质量和性能。

设计经验发布时间 : 2023-10-28

Factors to Consider When Choosing a MOSFET

When selecting a MOSFET with high-cost performance, long life, strong reliability, high stability, and high fit, the above factors and parameters need to be considered, and it is necessary to ensure that the on-resistance RDS(on) meets the requirements.

设计经验发布时间 : 2023-08-29

8 Common Kinds of Failure Causes and Solutions of MOSFETs

In short, when designing and using electronic components, it is necessary to have an understanding and understanding of various failure causes and solutions to avoid damage or safety issues. If you need help, please feel free to contact us at any time.

设计经验发布时间 : 2023-10-10

原装替代，降低50%器件成本，高性能MOSFET厂商华轩阳电子授权世强硬创代理

MOSFET的SGT芯片工艺使寄生电容值至少降低30%，开关速度、开关损耗等参数得到显著改善；而Clip封装工艺搭配着芯片减薄技术，将RDon降低至1mR以下。

签约新闻发布时间 : 2023-07-26

华轩阳电子（HUA XUAN YANG ELECTRON）MOSFET选型指南

目录- MOSFET绝佳时机企业简介及成长过程产品介绍产品封装介绍 MOSFET产品选型表 SiC/GaN功率器件产品选型介绍 MOSFET产品应用举例增值服务

型号- HXY120P03P,HXY150N03P,HXY120P03T,HXY15P06D,HXY150N03T,HXY150N04D,HXYG110N06NF,HXY25G02DF,HXY13P10D,HXY7H03DF,HXY3N06AI,HXYJ40N65MP,HXYG80N10P,HXYG110N12T,HXY120P03D,HXYG80N10T,HXYG110N12P,HXY70N20MP,HXY30P03D,HXY80N06NF,HXY3400AI,HXY70P02D,HXY25N50MP,HXY15P04D,HXY3416MI,HXY60N03D,HXY2320MI,HXY30P04D,HXY50N06DF,HXY4953A,HXY1N10BI,HXY18N20D,HXY4409A,HXY13P20D,HXY8804DF,HXY70P03D,HXY60N04D,HXY2N60P,HXY50P04NF,HXY13P20P,HXY06506ID,HXYG110N10P,HXY10N40F,HXY60N03Y,HXY5N10S,HXY50N06CP,HXY150N03D,HXY2N60D,HXY10N40P,HXY2N60F,HXY18N20P,HXY8205A,HXYG110N10T,HXY4959A,HXY06506FD,HXY9N90P,HXY12010LD,HXY9N90F,HXY003N170SICMP,HXYG100N10NF,HXY10N65F,HXY12020HD,HXY30P10D,HXY8P04S,HXY10N65P,HXY40P10NF,HXY85N03NF,HXY18N50F,HXY120N04P,HXY4H03LI,HXY120N04T,HXYG180N10T,HXY2310MI,HXY30P12DF,HXYG180N10P,HXY18N50P,HXY030N120SICMP,HXY3N30H,HXYJ7N60D,HXY2N65P,HXY30N06D,HXYJ7N60F,HXY30P04NF,HXYJ7N60P,HXY2N65D,HXYG6ON10NF,HXY4957A,HXY2N65F,HXY5N04MI,HXY06508ID,HXY06506ED,HXY3407MI,HXY20N65P,HXY9435A,HXY12020LD,HXY5N10BI,HXY20N65F,HXYJ4N65P,HXY2311MI,HXYJ4N65D,HXYJ4N65F,HXY80N03NF,HXY3401AI,HXY20N06Y,HXY06508FD,HXY4N60P,HXY10G03DF,HXY4N60F,HXY20G06GD,HXY2302AI,HXY4N60D,HXY8N06S,HXY5G03DF,HXY10G03S,HXY100N065SICMP,HXY30N06DF,HXY80P06P,HXY100N10P,HXY15N04S,HXY20P02D,HXY12010HD,HXY80P06T,HXY2N100D,HXY10G04ES,HXY6V04S,HXY3N90F,HXY03N60I,HXY150P03P,HXYG30N10AD,HXY100P03NF,HXY10G04S,HXY150P03T,HXY2309MI,HXY10G04DF,HXY3412MI,HXY40P02DF,HXYO1P10I,HXY12010ID,HXY2N20MI,HXY120N04D,HXY016N65GANNF,HXY2303AI,HXY3N90P,HXY5N50D,HXY15N10D-L,HXY10P12DF,HXY06508ED,HXY5N06MI,HXY06506AD,HXY3401MI,HXY120N03NF,HXY50P03DF,HXY20N06D,HXY15H06NF,HXY15G04NF,HXY100N04D,HXYJ4N60P,HXY10H03S,HXY3415MI,HXYJ25N60F,HXY3H06S,HXY50P06T,HXYJ4N60F,HXYJ25N60P,HXY100N03T,HXY20G04GD,HXY30P06D,HXY20N15D,HXY20N03D,HXY34N20P,HXYJ4N60D,HXY100N03P,HXY3404MI,HXY100N03D,HXY5N20D,HXY15HO3NF,HXY20N03S,HXYJ7N65F,HXYG220N08P,HXYJ7N65D,HXYG20N06S,HXY12N65F,HXYG220N08T,HXY10G06NF,HXY50P06P,HXY20N04D,HXY4N65P,HXY20P02DF,HXY50P06D,HXYJ7N65P,HXY4N65D,HXY4407A,HXY3N06MI,HXY3205P,HXY4N65F,HXY2305BI,HXY12N65P,HXY100N06D,HXY10P02DF,HXY70P10D,HXY6N03SI,HXY5P04MI,HXY85N08BT,HXYG40N10D,HXY10G03GD,HXY4N10MI,HXY06510ND,HXY30P03DF,HXY2305AI,HXY5N30D,HXYG12N10D,HXY50N20MP,HXY10N60P,HXY100N04NF,HXY15N06S,HXY10N60F,HXY70P10T,HXYG40N10S,HXY70P10P,HXY85N08BP,HXY2N30MI,HXY10H06S,HXY06508AD,HXY20H06NF,HXY8806DF,HXY10G03ES,HXY55N10T,HXY90P03NF,HXY55N10F,HXY5G06S,HXYJ25N65F,HXY80N10NF,HXY80N03D,HXY65N06NF,HXY55N10P,HXYJ60N60MP,HXY9926A,HXY9P20D,HXY10N06S,HXY3N10BI,HXY100N06T,HXY12003ID,HXY9P20P,HXY135N03NF,HXY80N04D,HXY2334CI,HXY50N25MP,HXY100N06P,HXY35P06NF,HXYG100N08T,HXY70N10CP,HXY2305MI,HXY15G02DF,HXY06510ID,HXY50N06P,HXY3G02LI,HXY40N02D,HXY15V06NF,HXY15N65P,HXY8814A,HXY20G03GD,HXY3407AL,HXY2311BI,HXY80N05D,HXY15N65F,HXY2311AL,HXYG100N08P,HXY15G03ES,HXY12010AD,HXY70N04NF,HXYG60N10S,HXY100P03D,HXYG60N10P,HXY9928A,HXY6H04S,HXY8G10NF,HXYG60N10D,HXY3407AI,HXY80N06P,HXY80N06D,HXY17N25D,HXY50N06D,HXY20H04NF,HXY10P04D,HXY50P10T,HXY80N06T,HXY17020LD,HXY7N50D,HXY4N80P,HXY50P10P,HXY20G03NF,HXY70N03NF,HXY40N03S,HXY4N80F,HXY80N07P,HXY8808CF,HXY10H03DF,HXY2300AI,HXY15G04ES,HXY50N05D,HXY60N04DF,HXYG60N12T,HXY80N08D,HXYG60N12P,HXY60N06HP,HXY80N07T,HXY3400MI,HXY50P10D,HXY5N100F,HXY3P10MI,HXYG20N10D,HXY2301BI,HXY4435A,HXY50N04D,HXY220N04T,HXY12N60P,HXYG130N10P,HXY2307MI,HXY5N100P,HXY17040HD,HXYG130N10T,HXY3410MI,HXY20G04NF,HXY220N04P,HXY06510ED,HXY20N02DF,HXY20P03D,HXY8809CF,HXY2301AI,HXY12N60F,HXY50N15D,HXY50N03D,HXY8V04S,HXY8810A,HXY90N08T,HXYJ25N65P,HXY90N08P,HXY15N10Y,HXY7N65F,HXY7N65D,HXY25P06D,HXY13N50F,HXY06510FD,HXY15N10S,HXYJ30N65MP,HXY70N20P,HXY7N65P,HXY5N10SI,HXY13N50P,HXY15N10D,HXY80P04D,HXY2302BI,HXY220N04NF,HXY70N20T,HXY3P06AI,HXY20N50P,HXY50N06NF,HXY20N50F,HXY2300MI,HXY60P04D,HXY3415AI,HXYG130N08P,HXY5N10LI,HXYG130N08T,HXY25N15NF,HXYG120N10T,HXY15N60P,HXYG120N04NF,HXY4N15MI,HXY2312MI,HXYG120N10P,HXYJ30N60MP,HXY60P03D,HXY15N60F,HXYG170N1OT,HXY5N10MI,HXY12003AD,HXY18P20P,HXY3404AI,HXY60N02DF,HXY180N03P,HXY25N10S,HXY40N15NF,HXY06510AD,HXY20N60P,HXYG130N06NF,HXY20H06S,HXY70N03DF,HXY7N60D,HXY20N60F,HXY1N65H,HXY6G03LI,HXY7N60F,HXY25N10D,HXY180N03NF,HXYG40N10NF,HXY7N60P,HXY4P20P,HXY9N20D,HXY4P20D,HXY105N03D,HXY2313MI,HXY60N03DF,HXY007N65GANNF,HXY85N04NF,HXY3409MI,HXYG110N06D,HXYJ60N65MP,HXYG110N06P,HXYG170N10P,HXYJ40N60MP,HXY80N04DF,HXYG170N10T,HXYG180N04P,HXY50N10D,HXY80N10D,HXYG110N06T,HXYG180N04T,HXY30N15D,HXY6P04S,HXY180N03T,HXY3P04AI,HXY6H03S,HXY20H04S,HXY06506ND,HXY8205S,HXY9N50D,HXY06508SD,HXY8H04S,HXY35P10NF,HXY30N20D,HXY50P03NF,HXY2314MI,HXY6N80P,HXY110N15T,HXY110N15P,HXY10N15D,HXY80N03DF,HXY80N08NF,HXY110N04D,HXY60NO3NF,HXY6N80F,HXY12H02TS,HXY2N7002AI,HXYG130N06D,HXY110N03D,HXY8H06S,HXY3416AI,HXYG130N06P,HXY55N10CP,HXY2315MI,HXY6G03S,HXY80N02DF,HXY3N100D,HXY130N20MP,HXY160N04P,HXY70P03NF,HXY80N02D,HXY10N04S

选型指南 - 华轩阳电子 - 2020/11/20 PDF 中文下载

HXYG80P10MP P-SGT Enhancement Mode MOSFET

型号- HXYG80N10MP,HXYG80P10MP

数据手册 - 华轩阳电子 - 2023/8/2 PDF 英文下载

MOSFET and IGBT Working Principle and Structure

If the application is low voltage and high frequency, requiring fast switching and small switching losses, MOSFETs can be chosen. If the application is high voltage and low frequency and requires a smaller conduction resistance and greater resistance to breakdown, IGBT can be chosen.

技术探讨发布时间 : 2023-10-01