WMSIC Electronic Components

HL 20N03D

Model20N03D
PackagePDFN(3x3)
BrandHL
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
HL 20N03D
Type
HL
Minimum package
5000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
20N03D
Electronic Component
1
Package
PDFN(3x3)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.115g
Electronic Component
1
Electronic Component
BM0265793211
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
5.5W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V

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

20N03D N沟道MOSFET产品概述

一、产品核心定位与品牌背景

20N03D是富海微(HL) 推出的一款N沟道增强型功率MOSFET,核心定位为低电压、大电流场景下的高效开关器件,主打小尺寸、低损耗与宽温适应性,适配便携电子、电源管理等高密度集成需求。富海微作为国内功率半导体领域的专业厂商,其产品以高可靠性、成本优势著称,20N03D延续了品牌在低压MOSFET上的技术积累,适合对尺寸、效率要求严格的终端应用。

二、关键电气参数详解

20N03D的核心参数围绕“低电压大电流”设计,关键性能可分为以下几类:

1. 电压与电流能力

  • 漏源击穿电压(Vdss):30V:满足低电压系统(如12V/24V直流电源)的耐压需求,避免过压损坏;
  • 连续漏极电流(Id):20A:在常温下可稳定承载20A连续电流,短时间峰值电流能力更优,适配大电流负载场景;
  • 阈值电压(Vgs(th)):2.5V@250uA:低阈值电压意味着仅需5V/3.3V等常见MCU IO电平即可可靠驱动,无需额外栅极驱动电路,简化系统设计。

2. 导通与开关特性

  • 导通电阻(RDS(on)):20mΩ@10V,5A:低导通电阻是核心优势之一——大电流下导通损耗极低(P=I²×R),可显著降低系统发热,无需额外散热片即可满足多数应用;
  • 栅极电荷量(Qg):10nC@10V:小栅极电荷意味着开关速度快,可支持100kHz以上的高频开关应用(如DC-DC转换器),减少开关损耗;
  • 电容特性(Ciss/Crss/Coss):490pF/61pF/79pF:输入电容(Ciss)与反向传输电容(Crss)影响开关噪声与效率,20N03D的电容值在同规格产品中处于合理区间,兼顾开关速度与EMI控制。

3. 功率与温度适应性

  • 最大耗散功率(Pd):5.5W:常温下可承受5.5W持续功率损耗,结合低RDS(on),实际应用中发热可控;
  • 工作温度范围:-55℃~+175℃:宽温设计适配极端环境(如工业低温、车载高温),可靠性更高。

三、封装与热特性

20N03D采用PDFN(3×3)封装,这是一种无引脚的扁平封装形式,优势显著:

  • 小尺寸:3mm×3mm的封装面积,比传统TO-252封装缩小约70%,适合便携设备、小型电源模块等高密度PCB设计;
  • 散热效率:PDFN封装通过底部焊盘直接与PCB散热层连接,热阻低于普通封装,可快速将热量传导至系统,进一步降低发热风险;
  • 抗干扰性:无引脚设计减少了寄生电感与电容,提升高频应用下的稳定性。

四、典型应用场景

结合20N03D的参数特性,其典型应用覆盖以下领域:

1. 便携电子设备

智能手机、平板电脑、智能手表等设备的电源管理模块(如电池充放电控制、DC-DC降压电路)——小尺寸PDFN封装适配紧凑空间,低RDS(on)减少电池损耗,延长续航。

2. 小型DC-DC转换器

12V/24V转5V/3.3V的大电流降压模块(如车载充电器、移动电源)——20A连续电流能力满足快充需求,高频开关特性提升转换效率。

3. 电池保护电路

锂电池组(如电动工具、小型无人机)的充放电保护——低导通损耗避免电池过放时的额外发热,宽温设计适应户外极端温度。

4. 小型电机驱动

玩具电机、小型伺服电机、无人机电机的驱动电路——快速开关特性实现精准调速,大电流能力满足电机启动与运行需求。

5. 负载开关

低电压系统中的大电流负载切换(如LED背光驱动、USB Type-C接口开关)——低RDS(on)减少开关损耗,易驱动特性简化电路设计。

五、产品优势总结

20N03D的核心竞争力可归纳为三点:

  1. 效率与发热平衡:低RDS(on)(20mΩ)+ 小Qg(10nC),兼顾导通损耗与开关损耗,系统发热少;
  2. 设计灵活性:3×3 PDFN小封装+宽温范围,适配高密度与极端环境应用;
  3. 成本与驱动友好:易驱动(2.5V阈值)无需额外电路,富海微的成本优势降低终端产品BOM成本。

综上,20N03D是一款专为低电压大电流场景优化的高性价比MOSFET,适合对尺寸、效率、可靠性有要求的各类终端应用。

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