WMSIC Electronic Components

VBsemi IRL540NPBF-VB IRL540NPBF

ModelIRL540NPBF-VB
PackageTO-220AB
BrandVBSEMI
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
VBsemi IRL540NPBF-VB
Type
VBSEMI
Minimum package
1000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
IRL540NPBF-VB
Electronic Component
1
Package
TO-220AB
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
2.5g
Electronic Component
1
Electronic Component
BM0227213055
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
127W
Electronic Component
Electronic Component
Electronic Component
1000
Voltage(Vdss)
100V

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

IRL540NPBF-VB 产品概述

一、产品简介

IRL540NPBF-VB 是 VBsemi(微碧半导体)推出的一款 100V 额定的 N 沟道功率场效应管(MOSFET),采用 TO-220AB 封装。该器件具备较低导通电阻和较高电流承载能力,适用于中功率开关和线性应用,额定工作温度范围宽(-55℃ 至 +175℃),适应严苛环境。

二、主要电气参数

  • 漏极-源极电压 Vdss:100 V
  • 连续漏极电流 Id:55 A(散热良好时)
  • 导通电阻 RDS(on):36 mΩ @ Vgs = 10 V
  • 栅阈电压 Vgs(th):3 V @ Id = 250 μA(典型)
  • 总栅电荷 Qg:35 nC @ Vgs = 10 V
  • 输入/输出/反向传输电容:Ciss = 4.5 nF,Coss = 270 pF,Crss = 90 pF
  • 功耗 Pd:127 W(在规定散热条件下)

三、特点与优势

  • 低 RDS(on):在 10V 驱动下 36 mΩ,有利于降低导通损耗并提高效率。
  • 逻辑电平特性:Vgs(th) ≈ 3V,适合低压驱动场景,但要达到最低 RDS(on) 建议使用接近 10V 的栅压。
  • 较高电流与功耗能力:适用于电机驱动、逆变器和开关电源等需瞬态大电流的场合。
  • 宽温度范围:-55℃至+175℃,适合工业与汽车类高温环境(需注意器件实际结温限制与散热设计)。

四、驱动与开关考量

  • 栅电荷 35 nC 表明开关时需要较大驱动电流。根据期望的开关速度,驱动器需能提供相应电流(例如要在 50 ns 内切换,理论驱动电流约 0.7 A)。
  • 较大的 Ciss/Coss/Crss 会影响开关损耗与电磁干扰(EMI),在高频开关应用应注意布线、阻尼与吸收器件配置。
  • 建议在栅极串联 5–20 Ω 的阻尼电阻以抑制振铃并保护驱动器;对感性负载并联快恢复二极管或 RC 吸收以限制伏秒积分。

五、热管理与封装

  • TO-220AB 方便安装散热片或通过螺栓固定到公共散热基板,器件的热阻与实际 Pd 依赖于散热条件。
  • 在高电流或持续通断场合必须计算结温升(Tj)并留有余量,必要时采用强制风冷或更大散热器。

六、典型应用

  • 开关电源(SMPS)初级开关或同步整流器
  • 电机驱动与步进驱动器
  • 逆变器与功率放大电路
  • 汽车电子、工业控制与功率继电器替代方案

七、使用与可靠性建议

  • 注意器件静电防护(MOSFET 对 ESD 敏感),装配与测试时采取防静电措施。
  • 确认 Tab(散热片)电气连接(通常为漏极),在需要绝缘安装时使用绝缘垫片或隔离套。
  • 在设计中参考器件数据手册完整的 SOA 曲线、热特性和脉冲额定值,以避免超出瞬态或连续限制。

总结:IRL540NPBF-VB 以其 100V 额定、电流与功耗能力及较低的 RDS(on) 在中功率开关场合具有良好性价比。合理的驱动设计与热管理能充分发挥其性能,适配工业级和汽车级等要求较高的应用环境。

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