WMSIC Electronic Components

VBsemi IRLML2803TRPBF-VB IRLML2803TRPBF

ModelIRLML2803TRPBF-VB
PackageSOT-23(TO-236)
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 IRLML2803TRPBF-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
IRLML2803TRPBF-VB
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.054g
Electronic Component
1
Electronic Component
BM0264600205
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.7W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

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

IRLML2803TRPBF-VB(VBsemi)N沟道MOSFET产品概述

一、产品基本信息

IRLML2803TRPBF-VB是微碧半导体(VBsemi) 推出的一款N沟道增强型MOS场效应管,型号后缀中“TRPBF”代表卷带编带封装,“VB”为品牌标识。该器件采用SOT-23(TO-236)小封装,体积紧凑(约2.9mm×1.6mm×1.1mm),适配对空间要求严格的便携式及小型化电子设备。作为单颗独立封装的MOSFET,其核心定位是兼顾低导通损耗、快速开关特性与宽温可靠性,满足多场景下的电源管理、负载驱动等需求。

二、核心电性能参数解析

该器件的电性能参数针对性优化,平衡了导通损耗与开关特性,关键参数及意义如下:

2.1 电压与电流承载能力

  • 漏源击穿电压(Vdss):30V,满足多数低压直流系统(如3.7V/5V/12V)的耐压需求,避免过压损坏;
  • 连续漏极电流(Id):6.5A,在SOT-23小封装下实现较高电流承载能力,可覆盖小型负载(如振动马达、小功率LED)的驱动需求;
  • 耗散功率(Pd):1.7W,结合封装散热特性,可稳定工作在中等功率场景(如小型DC-DC转换)。

2.2 导通与驱动特性

  • 导通电阻(RDS(on)):30mΩ(Vgs=10V时)、33mΩ(Vgs=4.5V时),属于同封装同类产品中的低水平——低导通电阻直接降低导通损耗,减少系统发热,提升电源效率;
  • 阈值电压(Vgs(th)):1.1V(Id=250uA时),远低于多数MOSFET的1.5V以上阈值,可被3.3V/5V微控制器直接驱动,无需额外驱动电路,简化系统设计;
  • 栅极电荷量(Qg):4.5nC(Vgs=10V时),低Qg意味着开关过程中栅极充放电能量少,开关速度快,适合高频应用(如DC-DC转换器)。

2.3 电容与温度特性

  • 电容参数:输入电容Ciss=335pF、反向传输电容Crss=17pF、输出电容Coss=45pF,电容特性稳定,可减少开关过程中的电压过冲,提升系统可靠性;
  • 工作温度范围:-55℃~+150℃,覆盖工业级宽温要求,可在极端环境(如户外设备、汽车电子辅助电路)中稳定工作。

三、封装与可靠性设计

IRLML2803TRPBF-VB采用SOT-23封装,引脚布局紧凑,适配标准贴片工艺,便于自动化生产。该封装的优势在于:

  • 体积小:节省电路板空间,适合便携式设备(如智能手环、充电宝);
  • 散热适配:虽为小封装,但结合1.7W的耗散功率,可满足多数低压场景的散热需求;
  • 防潮设计:微碧半导体的封装工艺严格,可有效防止潮气侵入,提升长期使用稳定性。

四、典型应用场景

基于其小封装、低损耗、宽温的特性,该器件广泛应用于以下场景:

  1. 便携式电子设备:手机、平板、智能穿戴设备的电源路径开关、电池保护电路;
  2. 小型负载驱动:LED小屏驱动、振动马达驱动、继电器线圈驱动;
  3. 低压DC-DC转换器:12V转5V/3.3V的降压电路中作为开关管,低Qg提升转换效率;
  4. 工业控制辅助电路:传感器供电开关、小型执行器驱动,适应宽温环境;
  5. 消费电子配件:充电宝、无线充电器的电源管理模块,小封装节省空间。

五、选型优势总结

对比同封装同类N沟道MOSFET,IRLML2803TRPBF-VB的核心优势包括:

  • 低导通损耗:30mΩ@10V的RDS(on)减少功率损耗,降低系统发热;
  • 易驱动性:1.1V低阈值电压,兼容3.3V/5V系统,无需额外驱动;
  • 快速开关:4.5nC低Qg,提升高频应用中的效率;
  • 宽温可靠性:-55℃~+150℃覆盖工业级需求;
  • 高性价比:微碧半导体的品质保障,兼顾性能与成本。

该器件凭借均衡的性能与可靠的设计,成为低压小功率场景下MOSFET选型的高性价比方案。

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