WMSIC Electronic Components

Infineon BSZ120P03NS3GATMA1

ModelBSZ120P03NS3GATMA1
PackageTSDSON-8FL
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Infineon BSZ120P03NS3GATMA1
Type
INFINEON
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
BSZ120P03NS3GATMA1
Electronic Component
1
Package
TSDSON-8FL
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.53g
Electronic Component
1
Electronic Component
BM0231142244
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
52W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V
Capacitor(Ciss)
3.36nF

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

BSZ120P03NS3GATMA1 产品概述

一、产品概览

BSZ120P03NS3GATMA1 是英飞凌推出的一款 P 沟道功率 MOSFET,面向空间受限但要求较高开关与导通性能的功率应用。器件额定漏源耐压为 30V,适合低压电源轨的高边开关、负载切换与反向保护等场景。封装为 TSDSON-8FL,体积小、热性能经过优化,便于高密度 PCB 设计。

二、主要电气参数

  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id:40 A(器件额定值,实际需结合封装与散热条件)
  • 导通电阻 RDS(on):12 mΩ @ Vgs = 6 V(低导通损耗)
  • 功耗 Pd:52 W(典型条件下器件耗散能力,应参考具体热阻与布局)
  • 阈值电压 Vgs(th):1.9 V(弱导通起始电压)
  • 栅极电荷 Qg:45 nC @ 10 V(影响开关损耗与驱动能力)
  • 输入电容 Ciss:3.36 nF;反向传输电容 Crss:111 pF
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:TSDSON-8FL(小型化、低引脚电感)

三、性能亮点

  • 低 RDS(on)(12 mΩ@6V)可显著降低导通损耗,适用于需要高效率的开关场景。
  • 栅极电荷 45 nC 与 Ciss/Crss 参数为设计驱动电路和估算开关能耗提供参考。
  • 包装紧凑且热性能经过优化,适合高密度电源管理模块与便携设备。
  • 工作温度范围宽,适合工业级应用。

四、封装与热管理

TSDSON-8FL 提供较小的封装占用与较低的寄生电感,但散热能力受 PCB 铜箔面积影响显著。虽然器件 Pd 标称为 52W,但在实际应用中需:

  • 在 PCB 布局中为 MOSFET 的散热焊盘提供充分的铜箔和过孔散热通道;
  • 在高电流工况下考虑热仿真与实际测量,确保结温不超过额定值。

五、典型应用

  • 电池管理与电源路径选择的高边开关(P 沟道便于高侧实现)
  • 便携设备与消费电子的负载切换与反向保护
  • DC–DC 转换器中的同步整流或辅助开关(根据驱动策略)
  • 工业电源和电机驱动的保护电路

六、使用建议与注意事项

  • 由于为 P 沟道器件,栅压为相对于源极的负向驱动(Vgs<0)时导通,设计时注意栅源电压范围与驱动电路的极性。
  • 推荐在接近 6V 的驱动电压下工作以达到标称 RDS(on),Vgs(th)=1.9V 表明器件在较低驱动下可部分导通,但此时 RDS(on) 上升。
  • 开关频率较高或驱动电压较大时,Qg 与 Ciss 将带来显著开关损耗,需在驱动器选型与散热预算中考虑。
  • 严格遵循原厂数据手册的绝对最大额定值与热规范,避免超限操作导致可靠性下降。

七、总结

BSZ120P03NS3GATMA1 以 30V 耐压、低导通电阻和紧凑封装为主要特点,适合高边开关、负载切换与空间受限的功率管理应用。在电路设计时需综合考虑栅极驱动、电流大小与 PCB 散热以发挥器件的效率与可靠性优势。欲获得更详细的电气特性曲线与热阻数据,请参考英飞凌正式数据手册。

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