WMSIC Electronic Components

VBsemi IRFP264PBF-VB IRFP264PBF

ModelIRFP264PBF-VB
PackageTO-247AC
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 IRFP264PBF-VB
Type
VBSEMI
Minimum package
30 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
IRFP264PBF-VB
Electronic Component
1
Package
TO-247AC
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
6.6g
Electronic Component
1
Electronic Component
BM0260119788
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
3.75W
Electronic Component
Electronic Component
Electronic Component
30
Voltage(Vdss)
250V

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

IRFP264PBF-VB 产品概述

一、产品简介

IRFP264PBF-VB 是 VBsemi(微碧半导体)推出的一款高电压 N 沟道功率 MOSFET,适用于需要较高电压承受能力与大电流通断的电源与功率转换场合。器件主要参数包括:Vdss = 250 V、连续漏极电流 Id = 60 A、导通电阻 RDS(on) = 45 mΩ(Vgs = 6 V 标称),封装为 TO-247AC,适合与外部散热器配合使用。器件工作温度范围 -55℃ ~ +175℃,并提供较大的栅极电荷与输入电容,适合中低频到中高频开关应用。

二、主要电气性能亮点

  • 漏源电压(Vdss):250 V,适合 200~250V 级别的开关电源、逆变器及工业电源应用。
  • 连续漏极电流(Id):60 A(在充分散热条件下),满足大电流输出需要(注意热设计)。
  • 导通电阻(RDS(on)):45 mΩ @ Vgs = 6 V,导通损耗可控,适合高电流导通场合。
  • 栅极电荷(Qg):140 nC @ 10 V,栅极驱动能量需求中等偏高,需匹配合适的驱动器。
  • 输入/输出/反向传输电容:Ciss = 5 nF、Coss = 300 pF、Crss = 170 pF,这些参数影响开关速度与米勒效应。
  • 工作温度范围宽(-55℃ ~ +175℃),适合高温环境或对可靠性要求高的场景。

三、参数解析与设计建议

  • 导通损耗与散热:RDS(on)=45 mΩ 时,导通损耗 P = I^2·R。例如在 10 A 时损耗约 4.5 W(10^2×0.045),表明实际连续大电流工作必须依赖良好散热措施。器件额定耗散功率 Pd = 3.75 W(需参考具体测试条件),单靠裸器件无法在高电流下长期工作,建议使用合适的散热片或强制风冷/液冷。
  • 栅极驱动与开关损耗:Qg = 140 nC(10 V)表示栅极驱动电荷较大。栅极损耗 Pgate ≈ Qg × Vdrive × f。例如在 Vdrive = 10 V、f = 100 kHz 时,Pgate ≈ 0.14 W。若频率或 Vdrive 提高,栅极功耗和驱动器瞬时电流需求显著上升,应选择短脉冲能力强、驱动电流足够的栅极驱动芯片,并在驱动回路中串联适当的栅极电阻以控制 dv/dt。
  • 开关瞬态与米勒区:Crss = 170 pF 会带来明显的米勒耦合效应,快速的电压变换过程中会在栅极出现米勒电荷,影响关断/导通行为。对高 dv/dt 应用应考虑减缓开关边沿或采用阻尼/吸收网络以降低电压应力与 EMI。
  • 门限电压:Vgs(th) = 4 V @ 250 μA,阈值偏高,建议使用 10–12 V 的栅极驱动电压以获得标称 RDS(on) 性能;若在 5 V 逻辑驱动下工作,需要确认具体导通电阻与温升是否满足系统要求。

四、封装与热管理建议

  • TO-247AC 封装便于安装在标准散热片上,也方便并联使用(注意匹配与热均流)。器件的热阻与实际 Pd 有关,设计时应根据系统允许结温(Tj)与环境温度计算所需散热能力。
  • 建议使用合适的绝缘垫或直接金属接触,根据电路要求选择是否绝缘安装;采用导热硅脂/相变垫来减少界面热阻。大电流场合下应考虑强制风冷或液冷方案。

五、典型应用场景

  • 中高压开关电源(例如 200–400 V 总线的 PFC、主开关)
  • 逆变器与电机驱动(需要注意并联与热均流)
  • 产业级功率模块、UPS、焊机等需承受较高电压与脉冲电流的场合
  • 高频或中频功率变换器(在满足栅极驱动与开关损耗预算下)

六、使用注意事项与可靠性建议

  • 在实际应用中,须以器件数据手册中的热参数、SOA(安全工作区)为准,务必进行热仿真与测量确认。
  • 在高频或高 dv/dt 场合,加入合适的缓冲网络(栅阻、RC 吸收、TVS)可提高系统可靠性并降低 EMI。
  • 长期工作时关注结温与热循环影响,器件允许的工作温度上限为 +175℃,但长时间在高结温下会降低寿命与可靠性。
  • 若需并联使用,应做电流分享验证并采取交错驱动/小阻值平衡电阻等措施。

结语:IRFP264PBF-VB 在 250 V 级别、需要大电流处理的功率设计中具有实用价值。合理的栅极驱动、严谨的热管理以及针对米勒效应与开关瞬态的抑制措施,是确保器件发挥良好性能与长期可靠工作的关键。欲获得更详尽的绝对最大额定值、热阻、脉冲 SOA 等信息,请参阅官方完整数据手册或联系厂商技术支持。

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