WMSIC Electronic Components

VBsemi NTD18N06LT4G-VB NTD18N06LT4G

ModelNTD18N06LT4G-VB
PackageTO252
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 NTD18N06LT4G-VB
Type
VBSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
NTD18N06LT4G-VB
Electronic Component
1
Package
TO252
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.44g
Electronic Component
1
Electronic Component
BM0257744746
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
100W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
60V
Capacitor(Ciss)
1.5nF

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

NTD18N06LT4G-VB 产品概述

一、产品简介

NTD18N06LT4G-VB 是 VBsemi(微碧半导体)推出的一款 N 沟道功率场效应晶体管(MOSFET),额定耐压 60V,适合中低压功率开关与配电应用。器件采用 TO-252 表面贴装封装,便于在高密度电路板上实现良好功率密度与可靠散热。

二、主要参数

  • 型号:NTD18N06LT4G-VB(品牌:VBsemi)
  • 沟‑源耐压 Vdss:60V
  • 连续漏极电流 Id:资料项中出现 45A 与 35A 两个数值;45A 为器件在理想散热条件下的额定连续电流值,实际应用中封装与 PCB 散热限制常将稳态工作电流按较保守值(如 35A)评估,请根据实际热设计选取
  • 导通电阻 RDS(on):25 mΩ @ Vgs = 10V、Id = 15A
  • 耗散功率 Pd:100W(注意 Pd 指标依赖散热条件)
  • 阈值电压 Vgs(th):约 2V
  • 总栅极电荷 Qg:11 nC @ Vgs = 10V(对驱动能力与开关损耗有直接影响)
  • 输入电容 Ciss:1.5 nF @ 25V
  • 反向传输电容 Crss(米勒电容):60 pF @ 25V
  • 工作结温 Tj:-55℃ ~ +175℃(器件耐高温能力强)

三、性能特点

  • 低导通电阻:25 mΩ 在 Vgs=10V 时提供较低导通损耗,适合提高效率的功率路径。
  • 中等栅极电荷:11 nC 的 Qg 在 10V 驱动下兼顾驱动速度与驱动能耗,适合普通驱动器与中速开关频率应用。
  • 较小的 Crss:60 pF 有利于降低开关过程中的米勒效应,改善门极控制稳定性。
  • 宽工作温度:结温上限 175℃,适应较苛刻的温度环境,但仍建议在可靠性要求高的场合做热裕度评估。

四、典型应用场景

  • DC-DC 降压转换器与同步整流单元
  • 电源管理与分配开关(负载开关、功率分路)
  • 电机驱动与驱动级保护(中小功率)
  • LED 驱动与恒流源
  • 电池管理与便携设备电源模块

五、封装与热管理建议

TO-252(DPAK)封装利于表面贴装与散热设计;器件 Pd 指标高度依赖 PCB 管脚、散热铜箔面积与环境散热条件。建议:

  • 在 PCB 设计中为 Drain 散热片区域预留充足铜面积与过孔热通道;
  • 根据实际工作电流计算结‑壳/结‑环境温升,保证 Tj 在安全范围内;
  • 开关时控制 dV/dt 与门极驱动电阻,减少热冲击与应力。

六、使用注意事项

  • 为获得规格化的低 RDS(on),栅极驱动电压需接近 10V;若仅用 5V 驱动,应验证在该 Vgs 下的导通损耗与温升。
  • 由于 Qg=11 nC,建议在高速开关应用中合理选择驱动器与门极电阻,以兼顾开关损耗与 EMI。
  • 引脚和封装的具体管脚定义、绝对最大额定值与典型曲线请以官方数据手册为准,设计时应参照完整的器件规范与 SOA(安全工作区)曲线。

总结:NTD18N06LT4G-VB 是一款面向中低压、高效率电源应用的 N 沟道 MOSFET,兼具较低导通电阻与良好的热稳定性,适合在经过合理 PCB 散热设计的场合中使用。若需量产或高可靠性设计,建议结合厂方完整数据表与样片验证热性能与开关特性。

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