WMSIC Electronic Components

JSMSEMI JSM100N03D

ModelJSM100N03D
PackageTO-252
BrandJSMSEMI
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI JSM100N03D
Type
JSMSEMI
Minimum package
2500 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
JSM100N03D
Electronic Component
1
Package
TO-252
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.448g
Electronic Component
1
Electronic Component
BM0258632796
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
105W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
30V
Capacitor(Ciss)
1.963nF

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

JSM100N03D N沟道功率MOSFET 产品概述

一、概述

JSM100N03D 是 JSMSEMI(杰盛微)推出的一款低压、大电流 N 沟道功率 MOSFET,适用于需要较低导通损耗和较高开关性能的电源和功率管理场合。器件标称漏源耐压为 30V,连续漏极电流高达 90A,封装为 TO-252(DPAK),便于表面贴装和散热管理。

二、主要电气参数(要点)

  • 漏源耐压 Vdss:30V,适合 12V/24V 车载与通用中低压电源应用。
  • 连续漏极电流 Id:90A(器件额定值,实际允许电流依赖于PCB散热条件及温升限制)。
  • 导通电阻 RDS(on):6.4mΩ @ Vgs=4.5V, Id=20A,属于逻辑电平驱动下的低 Rds(on) 类别,能有效降低导通损耗。
  • 阈值电压 Vgs(th):1V(典型),表明器件为低阈值,易被低压驱动导通。
  • 栅极电荷 Qg:41nC @ 10V,栅驱动能量需求中等,驱动电流与开关损耗设计需考虑该值。
  • 输入电容 Ciss:1.963nF @ 15V;反向传输电容 Crss:221pF @ 0V/1V,影响开关过渡与米勒效应。
  • 功耗 Pd:105W(封装热能力参考值,实际散热受PCB布局与环境影响)。
  • 工作温度范围:-55℃ ~ +150℃,适合宽温应用环境。

三、性能解读与应用场景

凭借 30V 耐压和极低的 RDS(on),JSM100N03D 非常适合于:

  • 同步整流与降压转换器(DC-DC)中的主开关或同步开关;
  • 车载电源、负载开关与电机驱动的低压路径;
  • 高电流分配、功率开关矩阵与逆变前端短时载流场合;
  • 热插拔、电子开关与固态继电器等需要低压降的应用。

四、开关与驱动考虑

  • 由于 Qg=41nC(10V),在高频开关应用时需配备足够的栅极驱动电流以降低开关损耗与开关时间。
  • 在 Vgs=4.5V 下已给出 RDS(on) 6.4mΩ 的性能,说明在 5V 左右的逻辑电平驱动下即可获得较低导通阻抗,适合 5V 驱动系统;若需最快开关可用 10-12V 驱动,但要注意驱动电压不得超过器件最大额定值(查阅完整数据手册确认)。
  • 较大的 Crss(米勒电容)提示在开关瞬态易受米勒效应影响,应在驱动回路加入适当阻尼或使用抗米勒的驱动策略。

五、热管理与封装建议

TO-252(DPAK)为表面贴装大功率封装,依赖 PCB 热铜面和焊盘进行散热:

  • 在 PCB 设计时,应布置充足的散热铜箔并连接至底层大铜平面,使用过孔直通底层以提高散热能力。
  • 封装的额定耗散功率(105W)通常是在特定测试条件下测得,实际应用中应根据允许结温和环境条件估算安全连续电流。
  • 对于高占空比或持续大电流场合,建议配合散热板或外部散热器使用。

六、可靠性与使用注意

  • 在开关感性负载时,应考虑外加 RC 吸收、续流二极管或 TVS 限压,避免器件承受过高的瞬态能量。
  • 布线应尽量缩短漏源回路,减少寄生电感,避免高 di/dt 导致电压尖峰与 EMI。
  • 在设计前务必参考完整器件数据手册,确认最大栅源电压、脉冲额定值及 SOA(安全工作区)等动态限制。

七、小结

JSM100N03D 是一款面向中低压高电流场景的 N 沟道 MOSFET,具有低导通电阻、较高的电流能力和适用于逻辑电平驱动的特性。合理的驱动设计与热管理可以使其在 DC-DC、电源开关及车载电源等应用中发挥良好性能。购买与设计使用前,请参照完整版技术手册确认全部极限参数与典型特性。

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