WMSIC Electronic Components

TECH PUBLIC NTD2955T4G

ModelNTD2955T4G
PackageTO-252
BrandTECH PUBLIC
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
TECH PUBLIC NTD2955T4G
Type
TECH PUBLIC
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
NTD2955T4G
Electronic Component
1
Package
TO-252
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.46g
Electronic Component
1
Electronic Component
BM0230658192
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
60W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
60V
Capacitor(Ciss)
1.6307nF

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

NTD2955T4G 产品概述

一、产品简介

NTD2955T4G(品牌:TECH PUBLIC / 台舟电子)是一款面向中等功率开关和线性应用的功率MOSFET,采用TO-252(DPAK)封装,适合表面贴装的工业级应用。器件额定工作温度范围宽(-55℃~+175℃),适用于高可靠性和苛刻环境下的电源管理与功率控制场合。典型电气参数指向一款60V耐压、低至100mΩ导通电阻、可承载十余安稳态电流的N沟道场效应管,兼顾导通损耗和开关性能。

二、主要参数与特性

  • 漏源电压 Vdss:60 V(器件耐压,可用于中低压点的开关)
  • 连续漏极电流 Id:13 A(在适当散热条件下的稳态导通能力)
  • 导通电阻 RDS(on):100 mΩ @ Vgs=10 V(12 A 条件下测得,低导通电阻有利于降低导通损耗)
  • 阈值电压 Vgs(th):2 V(门极开启阈值,便于门极驱动电平设计)
  • 栅极电荷 Qg:37.6 nC @ 30 V(影响开关损耗与驱动需求,需合适驱动器)
  • 输入电容 Ciss:1.6307 nF @ 30 V(决定驱动器向栅极充放电的能量)
  • 反向传输电容 Crss:77.3 pF @ 30 V(Miller电容,影响开关过渡态和电压耦合)
  • 耗散功率 Pd:60 W(器件最大耗散,实际取决于封装与PCB散热)
  • 工作温度:-55℃ ~ +175℃(适合严苛环境与高温工况)
  • 封装:TO-252(DPAK,便于表面贴装与散热设计)

三、性能特点(要点)

  • 中等耐压与较低RDS(on):60V/100mΩ的组合适合48V以下电源轨或汽车电子等场景的开关元件。
  • 相对适中的栅极电荷(~37.6 nC):在高频切换时会带来明显驱动能量消耗与开关损耗,需要配置合适的驱动器或栅极电阻器以平衡开关速度与振铃。
  • 较宽的工作温度范围:适用于工业/汽车等温度苛刻环境,但实际电流能力需按结温和散热条件降额使用。
  • DPAK封装便于PCB焊接与散热,通过底部焊盘和大铜箔可以有效提升功率耗散能力。

四、典型应用场景

  • DC-DC降压/升压转换器中的低侧或高侧开关(在48V或更低电压系统)
  • 电机驱动与电流控制回路(小到中等功率电机)
  • 负载开关、电源分配与热管理系统
  • 汽车电子(非高压核心)及工业控制设备
  • 电池管理系统、逆变/UPS中的功率级(需考虑开关频率与损耗)

五、设计与使用建议

  • 栅极驱动:由于Qg较大,建议使用能够提供足够瞬时电流的门极驱动器或缓冲器;在抑制开关振铃时,可并联10–100Ω范围内的栅极电阻,以权衡开关损耗和EMI。
  • Miller效应控制:Crss约77pF,会在快速切换时引起Vds到Vgs的耦合,设计时应注意降低电压斜率或采用合适的驱动策略以避免误触发。
  • 散热管理:标称Pd=60W为器件极限耗散,实际应用中受限于PCB铜面积及环境,建议在PCB上为DPAK焊盘提供足够的散热铜箔和多层过孔连通大地铜层;在持续高电流场景下按结温目标进行热降额。
  • 开关频率选择:配合Qg与Ciss,适用于中低频(几十kHz到几百kHz)开关应用;在更高频率下开关损耗会显著增加。
  • 测试与表征:建议在目标应用板上以四端测量法验证RDS(on)、结温特性和热阻,通过仿真与实际测量验证稳态与瞬态损耗。

六、可靠性与注意事项

  • ESD防护:在处理和安装时注意静电防护,符合MOSFET处理规范。
  • 焊接工艺:DPAK符合常见回流焊工艺,但应遵循厂家推荐的温度曲线与预热要求以避免封装应力。
  • 过流与浪涌:器件虽能承受13A连续电流,但瞬态浪涌或脉冲应参考器件脉冲额定与SOA(安全工作区)规格,必要时在电路中加入限流或软启动措施。
  • 数据核实:本文基于提供参数概述,建议在最终设计前查阅TECH PUBLIC(台舟电子)原始数据手册以确认脉冲额定、热阻、SOA及其它缺省参数。

七、总结

NTD2955T4G是一款面向工业级中等功率应用的功率MOSFET,60V耐压、100mΩ导通电阻和13A连续电流的组合使其在电源开关、负载控制与电机驱动等领域具有较好的性价比。设计时需关注栅极驱动、开关损耗与散热策略,合理的PCB与驱动设计能发挥该器件的最佳性能并保证长期可靠性。若需用于高频或更高功率场合,请核对完整数据手册并进行充分的热与电气仿真验证。

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