WMSIC Electronic Components

SSM3K56CT,L3F SSM3K56CT

ModelSSM3K56CT,L3F
PackageSOT-883
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA SSM3K56CT, L3F
Type
TOSHIBA
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
SSM3K56CT,L3F
Electronic Component
1
Package
SOT-883
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.009g
Electronic Component
1
Electronic Component
BM0265819010
Power Dissipation(Pd)
500mW
Electronic Component
Electronic Component
Electronic Component
10000
Voltage(Vdss)
20V
Capacitor(Ciss)
55pF

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

SSM3K56CT,L3F(东芝N沟道MOSFET)产品概述

一、产品基本定位

SSM3K56CT,L3F是东芝半导体推出的低电压、小功率N沟道MOSFET,专为便携电子、IoT终端等低功耗场景设计。该器件针对3.3V/5V电源域的低压应用优化,兼具小封装、高效能与易驱动特性,可满足移动设备、可穿戴产品等对空间紧凑、功耗敏感的设计需求,是消费电子与低功耗系统的优选器件。

二、核心电性能参数详解

作为一款低压MOSFET,其关键参数直接决定了应用适配性与性能表现:

  1. 电压电流额定值:漏源极最大额定电压Vdss=20V,连续漏极电流Id=800mA,覆盖3.7V锂电池、5V直流电源等常见低压供电场景,避免过压损坏风险;
  2. 导通损耗控制:导通电阻RDS(on)=235mΩ(Vgs=4.5V、Id=800mA时典型值),在同规格器件中处于领先水平——低导通电阻可显著降低导通功率损耗(P=I²R),减少发热,提升系统效率;
  3. 开关特性优化:栅极电荷量Qg仅1nC(Vgs=4.5V时),输入电容Ciss=55pF、反向传输电容Crss=8pF,低Qg意味着栅极驱动能量少,低电容降低开关充放电损耗,适合高频切换(如电源脉冲调制、信号多路选择);
  4. 驱动兼容性:阈值电压Vgs(th)=1V(典型值),远低于传统MOSFET的2V以上阈值,可直接兼容3.3V/5V逻辑电平,无需额外电平转换电路,简化系统设计;
  5. 功耗与电容特性:最大耗散功率Pd=500mW,满足小功率应用热管理需求;输出电容Coss=16pF,提升电路高频稳定性,减少信号串扰。

三、封装与可靠性设计

SSM3K56CT,L3F采用CST3封装(对应行业标准SOT-883),是一款超小型表面贴装封装:

  • 封装尺寸紧凑(约1.0mm×0.6mm×0.4mm),可节省PCB布局空间,适配智能手机、智能手表等对体积严苛的便携设备;
  • 东芝封装工艺具备高可靠性,支持无铅焊接,符合RoHS环保标准,能承受温度循环、机械应力等环境挑战;
  • 工作温度范围宽(-55℃~150℃典型值),覆盖消费电子与工业便携场景的环境需求,长期工作稳定性强。

四、典型应用场景

结合参数特性,该器件核心应用集中在低压小功率领域:

  1. 便携电子终端:智能手机电源路径管理(充电/放电切换)、智能手表传感器供电控制、蓝牙耳机音频信号切换;
  2. IoT低功耗设备:传感器节点电源开关、小型物联网网关负载切换、智能家居设备状态控制;
  3. 小型消费电子:便携式充电器USB端口切换、小型LED手电筒亮度调节、微型玩具电机驱动;
  4. 电池供电系统:3.7V锂电池过放保护电路、低功耗MCU外围负载控制。

五、产品竞争优势总结

相比同规格竞品,SSM3K56CT,L3F具备以下核心优势:

  1. 高效能平衡:低导通电阻(235mΩ)与低开关损耗(1nC Qg)结合,实现“导通+开关”双阶段效率提升;
  2. 设计简化:1V低阈值电压兼容主流逻辑电平,无需额外驱动电路,降低BOM成本与PCB复杂度;
  3. 空间优化:超小型SOT-883封装,适配便携设备小型化趋势,提升产品竞争力;
  4. 品牌可靠性:东芝工业级工艺保证长期稳定性,减少售后维护成本;
  5. 宽适配性:20V/800mA额定值覆盖多场景,从消费电子到工业便携设备均能胜任。

SSM3K56CT,L3F凭借高效、易驱、小封装等特性,成为低压小功率市场的主力器件,可有效提升系统性能并简化设计流程。

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