WMSIC Electronic Components

HL 40P03

Model40P03
PackageTO-252
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 40P03
Type
HL
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
40P03
Electronic Component
1
Package
TO-252
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.466g
Electronic Component
1
Electronic Component
BM0265793209
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
4W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
30V

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

HL 40P03 P沟道MOSFET产品概述

HL 40P03是富海微(HL)推出的一款P沟道增强型MOSFET,采用TO-252封装,针对低压中功率应用场景优化设计,具备低导通电阻、大电流承载能力及宽温适应性等特点,是消费电子、工业控制等领域的常用器件。

一、产品基本属性

  • 品牌型号:HL(富海微)40P03
  • 器件类型:P沟道增强型金属-氧化物半导体场效应晶体管(MOSFET)
  • 封装形式:TO-252(表面贴装DPAK封装)
  • 包装规格:单只装(1个/件)

二、核心电气参数详解

HL 40P03的关键电气参数经严格测试,可满足低压场景的性能需求:

  1. 极限电压与电流:

    • 最大漏源电压(Vdss):30V(器件可承受的最高漏源反向电压,超过该值可能损坏);
    • 连续漏极电流(Id):35A(25℃环境温度下,器件可长期稳定导通的最大电流,结温升高时需按降额曲线降低使用电流)。
  2. 导通特性:

    • 导通电阻(RDS(on)):18mΩ@10V(栅源电压Vgs=10V时,漏源极间的导通电阻,低阻值可显著降低导通损耗,提升电源效率);
    • 阈值电压(Vgs(th)):1.5V@250uA(当Vgs达到1.5V时,漏极电流Id=250uA,是器件从截止状态转入导通状态的基准电压)。
  3. 功率与电容参数:

    • 最大耗散功率(Pd):4W(25℃下器件可承受的最大功率,结温超过25℃时需线性降额);
    • 栅极电荷量(Qg):52nC@10V(栅源电压10V时的总栅极电荷,影响开关速度,该数值适中,兼顾开关损耗与控制难度);
    • 电容特性:输入电容(Ciss)=1.2nF、反向传输电容(Crss)=139pF、输出电容(Coss)=155pF,电容参数直接影响高频开关性能,适合中等频率的应用场景。
  4. 温度适应性:
    工作温度范围:-55℃~+150℃(宽温设计,可适应极端高低温环境,如户外设备、工业控制现场等)。

三、封装与可靠性

HL 40P03采用TO-252封装(又称DPAK),具备以下优势:

  • 贴装便捷:表面贴装设计,适合自动化生产线贴装,生产效率高;
  • 散热性能:封装引脚与散热面结合紧密,可通过PCB铜箔或散热片进一步提升散热能力,满足35A电流下的散热需求;
  • 可靠性:封装材料耐温性好,配合宽工作温度范围,可长期稳定工作在复杂环境中。

四、典型应用场景

结合HL 40P03的参数特点,其典型应用包括:

  1. 低压直流电源系统:12V/24V电源适配器、车载电源的开关管或续流管;
  2. 电池保护电路:锂电池组的充放电控制、过流/过压保护开关;
  3. 小型电机驱动:直流微型电机、步进电机的驱动电路(如智能家居设备、小型玩具);
  4. 负载开关:笔记本电脑、便携式设备的电源路径控制(替代传统机械开关,响应更快);
  5. 工业控制:低压控制电路的开关元件、继电器替代方案。

五、选型优势总结

HL 40P03在同类低压P沟道MOSFET中具备明显优势:

  • 低损耗:18mΩ的导通电阻可有效降低导通时的功率损耗,提升系统效率;
  • 高电流:35A连续电流能力,满足中功率应用需求,无需并联多个器件;
  • 宽温适应:-55℃~+150℃的温度范围,覆盖工业级与部分汽车级应用场景;
  • 成本可控:TO-252封装成熟,价格适中,适合批量应用;
  • 平衡的开关性能:栅极电荷与电容参数平衡,开关速度与控制难度适中,无需复杂的驱动电路。

综上,HL 40P03是一款专为低压中功率场景设计的P沟道MOSFET,性能稳定、性价比高,可广泛应用于消费电子、工业控制、车载等领域。

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