WMSIC Electronic Components

JSMSEMI IRF640NPBF-JSM IRF640NPBF

ModelIRF640NPBF-JSM
PackageTO-220
BrandJSMSEMI
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI IRF640NPBF-JSM
Type
JSMSEMI
Minimum package
50 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
IRF640NPBF-JSM
Electronic Component
1
Package
TO-220
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
2g
Electronic Component
1
Electronic Component
BM0229961350
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
104W
Electronic Component
Electronic Component
Electronic Component
50
Voltage(Vdss)
200V
Capacitor(Ciss)
1.2nF

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

IRF640NPBF-JSM 产品概述

一、产品简介

IRF640NPBF-JSM 是杰盛微(JSMSEMI)推出的一款中高压功率N沟增强型MOSFET,封装为标准TO-220。器件承受漏源电压可达200V,适用于需要较高耐压与中等导通电阻的功率开关场合。工作温度范围宽(-55℃ 到 +150℃),适应工业级环境。

二、主要电气特性

  • 漏源电压(Vdss):200V,适合高压开关与整流场合。
  • 连续漏极电流(Id):18A(需在合适散热条件下使用)。
  • 导通电阻(RDS(on)):150mΩ @ VGS=10V,导通损耗可控,适合中等电流应用。
  • 阈值电压(VGS(th)):4V @ 250µA,提示该器件并非严格的逻辑电平型,建议使用接近10V的栅极驱动电压以达到标称RDS(on)。
  • 总栅极电荷(Qg):38nC @ 10V,栅容与驱动需求属于中等偏上,需要适配合适的驱动能力以获得理想的开关速度。
  • 输入/反向传输电容:Ciss = 1.2nF, Crss = 70pF @25V,这些参数影响开关瞬态与电压应力。

三、开关与驱动建议

由于Qg=38nC、Ciss较大,建议采用能提供较短转移时间的独立栅极驱动器或低阻值栅极电阻(根据系统EMI/过冲权衡通常选10Ω~47Ω)。驱动电压以10V为目标可确保接近标称RDS(on),若只采用TTL/3.3V驱动则无法充分导通。高频开关时应关注栅极驱动电流峰值与驱动器功率。

四、热管理与可靠性

器件额定耗散功率Pd=104W(典型条件),但实际使用中热阻、散热片和环境都会显著影响允许的导通电流。TO-220的金属背板为Drain,便于安装散热片;在高电流或连续负载场合必须采用适当散热措施并进行温度余量设计。长期工作建议在器件结温远低于最高工作温度(+150℃)下运行以提高可靠性。

五、典型应用

  • 开关电源(中高压开关管)
  • 功率放大与驱动(电机驱动、继电器驱动)
  • 灯光/感应负载控制、DC-DC变换器
  • 浪涌耐受或高压开关场景(需配合吸收/钳位电路)

六、选型与使用注意事项

  • 非逻辑电平型:若系统驱动电压只有5V或更低,应确认导通损耗并考虑更低RDS(on)或逻辑级MOSFET。
  • 开关损耗:高Vdss与中等Ciss/Crss使得在高频(>100kHz)下开关损耗显著,需权衡频率与散热设计。
  • 保护电路:建议并联合适的缓冲/吸收网络(TVS、RC、RC*snubber)保护器件免受瞬态高压冲击。
  • 布局与接地:为了降低寄生电感和EMI,尽量缩短栅极与驱动器之间的回路路径,源端接地应考虑低阻低感连接。

七、引脚与封装

TO-220 引脚排列(从栅端看元件正面)通常为:1-Gate,2-Drain,3-Source;金属背板与第2脚电气连接为Drain,便于直接与散热片导热或接地。

总结:IRF640NPBF-JSM 以200V耐压、150mΩ导通电阻与中等栅极电荷特性,适合在需要高耐压且中等电流的功率开关应用中使用。选用时需重视栅极驱动能力与热管理方案,以确保器件在预期工作条件下的效率与可靠性。若需并联使用或高频工作,建议进一步做热阻与动态损耗计算并进行实际测量验证。

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