WMSIC Electronic Components

UMW FDV301N

ModelFDV301N
PackageSOT-23
BrandUMW
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW FDV301N
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
FDV301N
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0228532384
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.3W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

FDV301N 产品概述

一、产品简介

FDV301N 是一款适用于信号开关与低功耗开关电路的 N 沟道 MOSFET。该器件采用 SOT-23 小封装,体积小、驱动电容适中,便于用于便携设备和空间受限的电路板。品牌为 UMW(友台半导体),工作温度范围宽(-55°C 至 +150°C),适合在工业级环境下长期可靠工作。

二、主要特性

  • 类型:N 沟道 MOSFET(增强型)
  • 漏源耐压:约 20–25V(资料中存在 20V 与 25V 两种标注,详见注意项)
  • 连续漏极电流:典型 220mA(数据中另有 6A 的标注,应以实际型号规格书为准)
  • 导通电阻:28mΩ @ Vgs=4.5V;50mΩ @ Vgs=1.8V;42mΩ @ Vgs=2.5V(提供了不同驱动电平下的 RDS(on) 参考)
  • 阈值电压:Vgs(th)=1V @ ID=250µA
  • 总栅电荷 Qg:约 12nC @ 5V
  • 输入/输出/反向传输电容:Ciss=865pF, Coss=105pF, Crss=55pF
  • 封装:SOT-23
  • 最大耗散功率:约 1.3W(热性能需结合封装与 PCB 散热评估)

三、典型应用场景

  • 便携式电源管理与电池保护
  • 逻辑电平下的开关与负载隔离
  • 小电流信号切换、模拟开关替代
  • 低压降配电与保护电路 FDV301N 尤其适合要求封装小、开关损耗低的场景,但在选型时需关注实际电流与功率需求。

四、驱动与性能考量

由于器件在不同 Vgs 下 RDS(on) 差异明显,实际电路中应根据驱动电压选择合适的栅极驱动电平,以减少导通损耗并控制发热。总栅电荷 Qg=12nC 对驱动电路有一定要求,若频繁开关需评估驱动器的源/吸峰电流能力及开关损耗。

五、封装与热管理

SOT-23 封装体积小,但散热能力有限。最大耗散功率约 1.3W,在实际 PCB 上应通过增加铜箔面积、接地平面及良好布局来改善散热。高频开关或持续大电流应用时需尤为注意结温限制,避免长期在靠近最大额定下工作。

六、PCB 布局与使用建议

  • 将源、漏与散热铜箔尽量靠近,缩短高电流回路路径,减小寄生电阻与电感。
  • 栅极附近并联适当阻尼(例如 10–100Ω)可减小振荡并限制瞬时栅驱流。
  • 对于敏感模拟电路,注意 Crss(输出-栅电容)耦合带来的米勒效应,必要时加缓冲或米勒电阻。
  • 在开关节点并联合适的续流二极管或 RC 向滞环,以抑制电压尖峰。

七、选型与注意事项

  • 本概要基于您提供的参数整合;其中存在漏源电压与额定电流等不一致项(20V vs 25V,220mA vs 6A),选型时请参照厂商正式规格书或样片测量为准。
  • 若应用电流或功率接近资料中较高值,请优先选择热阻与电流能力更高的封装或平行多管方案。

八、资料与采购

为确保可靠使用,请获取 UMW(友台)发布的 FDV301N 官方数据手册,确认温度系数、极限参数与典型特性曲线。采购时注意封装代码与批次,并在样机验证中评估开关损耗与热稳定性。

注:以上内容基于您提供的参数整理,已标注可能的参数冲突,落地应用前建议以官方数据手册为准并做实际测量验证。

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