WMSIC Electronic Components

HXY MOSFET IRLZ44NPBF-HXY

ModelIRLZ44NPBF-HXY
PackageTO-220
BrandHXY MOSFET
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET IRLZ44NPBF-HXY
Type
HXY MOSFET
Minimum package
50 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
IRLZ44NPBF-HXY
Electronic Component
1
Package
TO-220
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
Electronic Component
Electronic Component
2.73g
Electronic Component
1
Electronic Component
BM0228150211
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
120W
Electronic Component
Electronic Component
Electronic Component
50

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

IRLZ44NPBF-HXY 产品概述

IRLZ44NPBF-HXY 是华轩阳电子(HXY MOSFET)推出的一款中功率 N 沟增强型功率 MOSFET,采用 TO-220 封装,面向开关电源、马达驱动、功率控制和逆变等需要较大电流且便于散热的应用场景。该器件在典型驱动电压下具有较低导通电阻和较大的额定电流能力,便于在良好散热条件下实现高效率传导。

一、主要规格一览

  • 类型:N 沟道功率 MOSFET(单片,1 个 N 沟)
  • 漏源电压 Vdss:60 V
  • 连续漏极电流 Id:60 A(在适当散热条件下)
  • 导通电阻 RDS(on):标称 20 mΩ @ Vgs = 10 V(器件资料也给出典型值约 17–20 mΩ,视测试条件而定)
  • 阈值电压 Vgs(th):4 V @ ID = 250 µA(表明不是严格的低电平驱动型)
  • 最大耗散功率 Pd:120 W(需配合合适散热方案)
  • 输入电容 Ciss:4.05 nF(4050 pF)
  • 输出电容 Coss:430 pF
  • 反向传输电容 Crss(Miller 容):110 pF
  • 总栅极电荷 Qg:39 nC @ Vgs = 10 V
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:TO-220
  • 品牌:HXY MOSFET(华轩阳电子)

二、关键特性与优势

  • 低导通电阻:在 Vgs = 10 V 时 RDS(on) 约 17–20 mΩ,适合高电流导通场合,能有效降低导通损耗。
  • 较高电流能力:60 A 连续电流额定(但实际使用受热阻和散热条件限制)。
  • 适中的栅极电荷:Qg = 39 nC,为中等切换频率应用提供了在驱动功率与速度之间的平衡。
  • TO-220 封装:便于安装散热片或强制风冷,易于工程实现与维护。
  • 宽温度范围:-55 ℃ ~ +150 ℃,适合工业级温度环境。

三、热设计与功率损耗评估

  • 导通损耗示例:Pd_conduction = I^2 × RDS(on)。
    例如:I = 30 A 时 Pd ≈ 30^2 × 0.02 = 18 W;I = 60 A 时 Pd ≈ 72 W。
    注意:这些只是导通损耗,切换损耗和环境温升还需加上。
  • 额定耗散 Pd = 120 W 表明器件在理想散热(低 θJA 或良好散热片)下可承受较大功率,但实际应用必须参考厂商提供的 θJA/θJC 并按允许结温计算散热尺寸。
  • 推荐使用金属散热片或装配到带有良好热阻的散热结构;在高电流工况下应考虑强制风冷或更低热阻的封装方案。

四、驱动与切换注意事项

  • 门极驱动电压建议采用 10 V 输入,以达到标称 RDS(on);Vgs(th)=4 V 表明 5 V 驱动下可能无法达到最小导通电阻。
  • Qg = 39 nC 表示在快速切换时需要合适的驱动能力。峰值充电电流可用 Qg / tr 估算:例如在 100 ns 上升时间下,Ig_peak ≈ 39 nC / 100 ns ≈ 0.39 A。驱动器需能提供短时脉冲电流。
  • 切换频率对驱动损耗影响:单次充放电能量约 0.5 × Ciss × V^2(Ciss=4.05 nF,V=10 V 时约 202 nJ),在 100 kHz 下对应驱动功耗约 20 mW(平均);但实际切换损耗还包含由 Crss 引起的 Miller 效应及器件的切换损耗,切换速度越快,损耗越大。
  • 建议在驱动端添加阻尼电阻(Rg)以控制 dv/dt 和振铃,同时在高感性负载上配合合适的续流/吸收电路(TVS、RC 缓冲或肖特基二极管)以抑制瞬态电压。

五、典型应用场景

  • 开关电源(DC-DC 变换器、补偿器)
  • 电机驱动与 H 桥(需配合合适门极驱动与热管理)
  • 线性功率控制与负载开关(在 TO-220 散热条件下)
  • 逆变器、功率转换模块、以及各种高电流开关场合

六、封装与装配建议

  • TO-220 便于安装散热片,推荐使用绝缘垫或直接接触取决于系统接地要求;紧固螺丝需注意扭矩和绝缘。
  • 焊接时避免过热,遵循回流/手工焊接温度曲线以保护器件参数和长期可靠性。
  • PCB 布局中应保证源、漏、大电流回路的低阻抗路径,门极走线尽量短并靠近驱动器安放去耦电容。

七、选型与采购提示

  • 若目标系统以 5 V 门极直接驱动为主,需重新评估是否能在 5 V 下满足导通损耗要求;推荐采用 10 V 驱动以达到数据表 RDS(on)。
  • 在选型时请索取厂商完整数据手册(含 θJA/θJC、SOA、瞬态参数及波形)以进行精确热设计与可靠性评估。
  • 型号标识为 IRLZ44NPBF-HXY,封装 TO-220,品牌华轩阳电子;购买时请确认真伪及批次一致性。

总结:IRLZ44NPBF-HXY 在 60 V/60 A 级别且配合 TO-220 散热条件下能够提供较低的导通损耗和良好的中低频切换性能,是适合需要大电流与便捷散热的功率开关应用的实用器件。实际设计时应重视门极驱动、电磁兼容与散热设计,以保证器件在额定环境下长期可靠运行。

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