WMSIC Electronic Components

Infineon IRFS4229TRLPBF

ModelIRFS4229TRLPBF
PackageD2PAK
BrandInfineon
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 Electronic Component

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Infineon IRFS4229TRLPBF
Type
INFINEON
Unit
Electronic Component
Minimum package
800

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
IRFS4229TRLPBF
Electronic Component
1
Package
D2PAK
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
1g
Electronic Component
1
Electronic Component
BM0265742645
Operating Temperature
40℃~+175℃
Power Dissipation(Pd)
330W
Electronic Component
800
Voltage(Vdss)
250V
Capacitor(Ciss)
4.56nF
Gate (Qg)
110nC@10V

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

IRFS4229TRLPBF 产品概述

一、产品简介

IRFS4229TRLPBF 是一颗高压 N 沟道功率 MOSFET,适用于需要 250V 耐压与较大导通电流的开关应用。单片 D2PAK 封装、额定工作温度范围宽(-40℃~+175℃),由 Infineon(英飞凌)生产,适合工业级电源与马达驱动等严苛环境。

二、主要参数

  • 漏源耐压 Vdss:250 V
  • 连续漏极电流 Id:45 A
  • 导通电阻 RDS(on):42 mΩ @ Vgs=10 V
  • 栅极阈值 Vgs(th):3 V(典型)
  • 总栅极电荷 Qg:110 nC @ Vgs=10 V
  • 输入电容 Ciss:4.56 nF;反向传输电容 Crss:100 pF
  • 耗散功率 Pd:330 W(依散热条件而定)
  • 封装:D2PAK(适合焊接到散热基板)

三、性能特点

  • 250V 的高压等级使器件适用于中高压开关电源、逆变器及 PFC 回路。
  • 42 mΩ 的导通电阻在 10V 栅压下可提供较低的导通损耗,适合中大电流连续工作。
  • 宽温区(-40℃~+175℃)保证在高温或汽车/工业环境的可靠性。
  • 较大的栅极电荷(110 nC)提示器件在高频开关时对驱动能力要求较高,但也有利于降低 dv/dt 产生的电磁干扰。

四、驱动与开关注意事项

  • 推荐栅压驱动等级为 10–12 V 以达到标称 RDS(on)。Vgs(th)≈3 V,说明不属于低电压逻辑级 MOSFET,5 V 驱动下导通性能下降明显。
  • Qg=110 nC 意味着驱动器需能提供较大的瞬时电流以实现快速切换,否则会延长开关时间并增加能量损耗与热应力。建议在高频应用中选择专用驱动 IC,并使用合理的栅阻以平衡速度与 EMI。
  • Crss=100 pF(Miller 电容)会影响开关过渡期的电压-电流相互作用,应注意避免高 dv/dt 引起的误触发或电压尖峰,必要时配合 RC 阻尼或能量吸收电路(阻尼、TVS、RC 摆幅器)。

五、热管理与封装

  • D2PAK 提供良好的 PCB 安装与散热路径,但 Pd=330 W 为理想化额定值,实际耗散能力强烈依赖于 PCB 铜箔面积、散热片连接与环境温度。
  • 推荐在设计中使用大面积散热铺铜(顶层和底层)、多过孔热通道,并联合外部散热器以降低结到环境热阻。对连续大电流工作,应进行热仿真并留有充分的安全裕度。

六、典型应用

  • 开关电源(SMPS)、有源 PFC 电路
  • 中小功率逆变器与电机驱动(工业、伺服)
  • 不间断电源(UPS)与电源切换模块
  • 工业照明和高压电源控制

七、设计与实装建议

  • 使用短且低阻抗的栅极回路,靠近器件放置驱动 IC,栅极与源之间并联小电容以抑制高频振铃。
  • 对于感性负载,采用续流二极管或合适的吸收网络,防止器件遭受高能量钳位冲击。
  • 在 PCB 布局上保证大面积的散热铜箔,并通过多个过孔将热量传导到对流面或散热块。

八、可靠性与使用注意

  • 在高温、高应力工况下应考虑相应的额定退化和降额策略;长期运行建议在热循环、振动等环境下做可靠性验证。
  • 正确处理栅极静电与浪涌,储存与装配过程中保持静电防护,避免误差放电损伤。

总结:IRFS4229TRLPBF 以其 250V/45A 的电气级别、相对较低的 RDS(on) 及工业级温度范围,适合要求较高耐压与可靠性的开关应用。但因 Qg 偏大与开关特性,设计时需重视驱动能力与热管理,才能充分发挥其性能。

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