WMSIC Electronic Components

VBsemi FDT434P-NL-VB FDT434P

ModelFDT434P-NL-VB
PackageSOT-223
BrandVBSEMI
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
VBsemi FDT434P-NL-VB
Type
VBSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
FDT434P-NL-VB
Electronic Component
1
Package
SOT-223
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.259g
Electronic Component
1
Electronic Component
BM0265598722
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
4.2W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
35V

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

FDT434P-NL-VB P沟道场效应管(MOSFET)产品概述

一、基本产品信息

FDT434P-NL-VB是VBsemi(微碧半导体) 推出的一款P沟道增强型场效应管(MOSFET),型号后缀“NL-VB”明确其封装规格为SOT-223-3(3引脚小型表面贴装封装)。作为一款针对低压场景优化的功率器件,该MOSFET以紧凑体积、低导通损耗为核心特点,适配多种便携式及消费电子应用。

二、核心电参数特性

该器件的关键参数围绕“低压驱动、低损耗、中功率承载”设计,具体特性如下:

  1. 电压电流承载能力:
    漏源击穿电压(Vdss)为35V,满足多数低压直流系统(如3.7V/4.2V锂电池、5V/12V电源)的耐压需求;连续漏极电流(Id)可达6.2A,可稳定驱动小型电机、LED阵列等中等功率负载。
  2. 低导通电阻优势:
    导通电阻(RDS(on))表现优异——栅源电压(Vgs)=10V时仅40mΩ,即使在低驱动电压(Vgs=4.5V,兼容3.3V/5V系统)时也仅48mΩ。低导通电阻直接降低导通损耗,提升电源转换效率,尤其适合电池供电设备延长续航。
  3. 易驱动特性:
    阈值电压(Vgs(th))为1.8V(测试条件:Id=250μA、T=25℃),栅极仅需低电压即可触发导通,无需额外高驱动电路,简化系统设计成本。
  4. 电容与开关特性:
    输入电容(Ciss)970pF、反向传输电容(Crss)95pF、输出电容(Coss)120pF——电容参数平衡了开关速度与噪声控制,适合负载开关、DC-DC辅助电路等需兼顾效率与抗干扰的场景。
  5. 功率耗散能力:
    最大耗散功率(Pd)为4.2W,结合SOT-223封装的散热特性,可满足连续工作时的功率损耗需求,避免过热失效。

三、封装设计与典型应用场景

FDT434P-NL-VB采用SOT-223-3封装,该封装体积小巧(引脚间距紧凑,适合高密度PCB布局),同时具备一定散热能力,适配多数小型化设备的空间限制。

基于参数与封装特性,典型应用场景包括:

  • 便携式电子:智能手环、蓝牙耳机、充电宝等电池供电产品,利用低损耗与低驱动电压提升续航;
  • 低压电源管理:5V/12V系统中的负载开关、电源路径切换(电池与外接电源切换)、DC-DC同步整流辅助;
  • 小型电机驱动:玩具电机、小型风扇、微型泵等低功率电机的驱动控制;
  • LED驱动:小功率LED阵列的恒流/恒压驱动,低损耗降低发热延长LED寿命。

四、可靠性与环境适应性

该器件工作温度范围为**-55℃~+150℃**,覆盖工业级与消费电子的宽温需求(如户外便携设备、汽车电子辅助电路),极端温度下仍能保持稳定性能。此外,参数设计经过可靠性验证,可满足常规产品的使用寿命要求,适合批量应用。

FDT434P-NL-VB凭借紧凑封装、低损耗、易驱动等优势,成为低压中功率应用的高性价比选择,尤其适合对空间、效率与成本敏感的便携式及消费电子领域。

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