WMSIC Electronic Components

MSKSEMI NTS2101PT1G-MS NTS2101PT1G

ModelNTS2101PT1G-MS
PackageSOT-323-3
BrandMSKSEMI
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
MSKSEMI NTS2101PT1G-MS
Type
MSKSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MSKSEMI
Electronic Component
NTS2101PT1G-MS
Electronic Component
1
Package
SOT-323-3
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0230074868
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
312mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
350pF

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

NTS2101PT1G-MS 产品概述

一、器件简介

NTS2101PT1G-MS 是美森科(MSKSEMI)推出的一款小型化 P 沟道增强型 MOSFET,采用 SOT-323-3(SOT-323)封装,面向空间受限、需要高侧开关或反向保护的便携式与工业电子应用。器件额定漏源电压为 20V,工作温度范围宽(-55℃ ~ +150℃),适合苛刻环境下的可靠工作。

二、主要电气参数

  • 漏—源电压(Vdss):20 V
  • 连续漏极电流(Id):1.5 A
  • 导通电阻(RDS(on)):90 mΩ @ VGS=4.5 V
  • 阈值电压(Vgs(th)):约 0.6 V(测试电流 250 μA,P 沟道阈值为典型值,注意为负向驱动)
  • 总栅电荷量(Qg):4.8 nC @ VGS=4.5 V
  • 输入电容(Ciss):350 pF;输出电容(Coss):65 pF;反向传输电容(Crss/Crss):50 pF
  • 功耗(Pd):312 mW
  • 封装:SOT-323-3,单通道 P 沟道

三、特点与优势

  • 低导通阻抗:90 mΩ(4.5 V 驱动)在小型封装中提供较低导通损耗,适合 1A 级负载。
  • 低电容与适中栅电荷:Coss=65 pF、Qg=4.8 nC,有利于降低开关损耗并实现较快切换,适合开关与保护场景。
  • 宽温度范围:-55℃ 至 +150℃,在高温工况下仍能保持可靠性。
  • 超小封装:SOT-323-3 适用于空间受限的移动设备、便携模块与密集 PCB 布局。

四、封装与热管理

SOT-323-3 为超小型塑封,热阻较大,器件的耗散功率(Pd=312 mW)在实际电路中受 PCB 铜箔面积与散热条件限制。设计时建议:

  • 在器件底部及接地平面增加铜箔扩散热量;
  • 保持散热铜箔尽可能大且与多层板内的电源/地平面通孔连接;
  • 在高电流或连续导通场合,计算 RDS(on)*I^2 发热并验证不超过 Pd 且满足结温限制。

五、典型应用场景

  • 高侧负载开关与电源路径选择(电池管理、充电器前段)
  • 反向保护与电源隔离(用于取代二极管以降低压降)
  • 便携式设备的电源控制(手机配件、无线模块、传感器节点)
  • 小功率 DC-DC 转换器与负载开关电路

六、使用建议与电路注意事项

  • 作为 P 沟道器件,导通需对源极施加比门极更高的电位差(即使门相对于源为负电压以导通),确认驱动电压范围能达到降低 RDS(on) 所需的 VGS(示例给出 4.5 V 时 RDS(on) 为典型值)。
  • 如在 3.3 V 或更低栅电压下使用,需评估导通电阻随 VGS 的上升,必要时采用门驱动或改用更低驱动电压下表现更佳的器件。
  • 建议在栅极串联小阻(如 10–100 Ω)以抑制振铃并限制浪涌电流;对快速开关场合,考虑 RC 吸收或箝位电路以保护器件免受过电压和高 dv/dt 导致的误触发。
  • 在布局上,缩短源、漏、门的铜走线,增加地平面,减小寄生电感与阻抗。

七、可靠性与环境适配

器件规定的宽温范围和中等功耗能力使其适合工业级应用,但受限于小尺寸封装,长期高温、高电流下需谨慎评估。进行热仿真并考虑散热措施、工作循环与安全裕度,可有效提升系统可靠性。

总结:NTS2101PT1G-MS 在超小封装下提供了较低的导通阻抗与适中的开关特性,适合用于空间受限的高侧开关、反向保护和便携电源管理场景。设计时关注栅驱动电压、PCB 散热与保护电路,可以在保证可靠性的前提下发挥其优势。

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