WMSIC Electronic Components

SSM3K7002CFU,LF(T SSM3K7002CFU

ModelSSM3K7002CFU,LF(T
PackageUSM
BrandTOSHIBA
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA SSM3K7002CFU, LF(T
Type
TOSHIBA
Minimum package
3000

Technical parameters

Electronic Component
TOSHIBA
Electronic Component
SSM3K7002CFU,LF(T
Electronic Component
1
Package
USM
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0230027436
Power Dissipation(Pd)
700mW
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
17pF
Output Capacitor(Coss)
3pF

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

SSM3K7002CFU,LF(T) 产品概述

一、产品简介

SSM3K7002CFU,LF(T) 是东芝(TOSHIBA)推出的一款N沟增强型场效应管(MOSFET),面向低功耗、小电流的开关与控制应用。器件耐压60V,适合中低电压系统中的开/关控制、负载隔离和保护电路。封装为USM,体积小,便于在空间受限的便携或消费电子产品中使用。

二、主要规格与特点

  • 类型:N沟道增强型 MOSFET
  • 漏源电压 Vdss:60 V
  • 连续漏极电流 Id:170 mA
  • 导通电阻 RDS(on):3.9 Ω @ VGS=10 V
  • 耗散功率 Pd:700 mW
  • 阈值电压 VGS(th):2.1 V
  • 栅极电荷 Qg:350 pC @ VGS=4.5 V
  • 输入电容 Ciss:17 pF;输出电容 Coss:3 pF;反向传输电容 Crss:0.7 pF @10 V
  • 封装:USM(无铅封装代码 LF(T) 表示无铅包装/卷带形式)

器件特点包括耐压较高、器件电容较小、封装小巧,适合快速开关及节能场合。

三、典型应用场景

  • 便携式设备的电源开关与负载隔离(如备用电池切换、功率路径控制)
  • 低电流继电/驱动电路(指示灯、微型马达驱动的控制侧)
  • 小功率DC-DC转换器与同步整流(作为低侧开关)
  • 保护电路(过流断开、反接保护的子级)
  • 信号级电平转换及开关矩阵

四、电气与驱动建议

阈值电压约2.1V,表明器件在较低门极电压下即可进入导通区,但规格化导通电阻是在VGS=10V下测得,实际在逻辑电平(如3.3V或4.5V)驱动时导通性能会下降,应根据负载电流选型。栅极电荷标称350 pC(@4.5V),在快速切换场合需考虑驱动能力与开关损耗,建议使用合适驱动器或缓冲级以控制上升/下降斜率,降低开关应力。

器件输入/输出电容较小(Ciss 17 pF,Coss 3 pF,Crss 0.7 pF),有利于减少寄生能量与提高开关速度,但仍需注意寄生振荡与PCB走线的布置。

五、散热与封装注意事项

额定耗散功率700 mW,在实际电路中应评估工作点与环境温度。由于USM小型封装散热能力有限,建议:

  • 在PCB上增加散热铜箔面积或连到地/电源平面以帮助散热;
  • 在连续工作或高占空比情形下降低通过器件的平均电流;
  • 留意环境温度与封装热阻,必要时进行热仿真或测量。

六、可靠性与使用提示

  • 在设计时保留适当的安全裕量,避免长期在极限参数下工作;
  • 注意栅极静电防护,包装与装配过程遵循ESD防护规范;
  • 在高频开关应用中,可以并联小电阻或RC阻尼以抑制振荡;
  • 参考东芝数据手册获取封装尺寸、焊接条件和典型特性曲线。

七、总结与建议

SSM3K7002CFU,LF(T) 适合需要60V耐压但电流要求不高的开关应用,其小封装和较低电容有利于节约空间与改善开关性能。选型时应结合实际工作电压、负载电流及驱动电平,关注栅极驱动能力与散热设计,确保在安全工作区内运行以获得稳定可靠的性能。若需更低的导通损耗或更高电流能力,可在器件家族中选择更低RDS(on)或大封装型号。

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