WMSIC Electronic Components

TECH PUBLIC IRLML2402TRPBF

ModelIRLML2402TRPBF
PackageSOT-23
BrandTECH PUBLIC
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
TECH PUBLIC IRLML2402TRPBF
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
IRLML2402TRPBF
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0264777482
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
540mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
300pF

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

IRLML2402TRPBF 产品概述

一、产品简介

IRLML2402TRPBF 是 TECH PUBLIC(台舟电子)推出的一款增强型 N 沟道 MOSFET,采用 SOT-23 小封装设计,面向低电压、高效率开关应用。器件额定漏源电压为 20V,结合低导通电阻与较快的开关特性,在移动充电设备、电源管理、电池保护以及各种便携式电子系统中表现优异。

二、主要电气参数

  • 数量:1 个 N 沟道 MOSFET
  • 漏源电压 Vdss:20 V
  • 连续漏极电流 Id:1.2 A
  • 导通电阻 RDS(on):250 mΩ @ Vgs = 4.5 V
  • 阈值电压 Vgs(th):0.7 V(典型)
  • 耗散功率 Pd:540 mW(SOT-23 封装条件下)
  • 栅极电荷量 Qg:4 nC @ Vgs = 4.5 V
  • 输入电容 Ciss:300 pF
  • 输出电容 Coss:90 pF
  • 反向传输电容 Crss(寄生反馈电容):80 pF
  • 工作温度范围:-55°C 至 +150°C
  • 封装:SOT-23

三、性能特点

  • 逻辑电平驱动:Vgs(th) ≈ 0.7V,且在 Vgs = 4.5V 时 RDS(on) 仅 250 mΩ,适合直接由单片机或逻辑电平驱动器驱动。
  • 低栅极电荷与快速开关:Qg = 4 nC(4.5V)与中等 Ciss/Crss 值,使得该器件在开关损耗与驱动功率之间取得良好平衡,适合高频开关场合。
  • 小型化封装:SOT-23 体积小、引脚间距紧凑,适用于空间受限的 PCB 布局与高密度设计。
  • 宽温工作:-55°C 到 +150°C 的工作温度保证了在严苛环境下的可靠性。

四、典型应用场景

  • 手机、平板等便携设备的充电与电源管理模块
  • 电池保护电路、负载切换与功率分配(低侧开关)
  • DC-DC 转换器中的同步整流或低侧开关
  • 便携式和可穿戴设备的负载断开与能量管理
  • 一般开关、驱动与保护电路

五、使用建议与注意事项

  • 热管理:SOT-23 封装的耗散功率为 540 mW,实际功耗受 PCB 铜箔面积与通孔散热影响较大。进行大电流或连续导通时应在 PCB 上设计足够的散热铜箔或使用多层地平面以降低结温。
  • 驱动与开关损耗:虽然器件支持逻辑电平驱动,但在高频切换场合需关注栅极驱动电流与总能耗。可通过合理的驱动电阻与死区时间设置来降低交叉导通与开关损耗。
  • 电压与电流裕量:20V 的 Vdss 适合大多数 12V/5V 系统,但避免在靠近极限的应力工况下长时间运行;对浪涌或反向电压考虑额外保护措施(TVS、限制电路等)。
  • 栅极静电保护:尽管栅极电荷较小,仍建议在制程与调试阶段采取防静电措施,避免超出栅源最大额定电压导致损伤。

六、封装与物料识别

该器件为 SOT-23 小封装,便于自动贴装(SMT)与批量生产。产品型号 IRLML2402TRPBF,由 TECH PUBLIC(台舟电子)生产,适合需要体积小、效率高、驱动简便的功率开关场合。

总结:IRLML2402TRPBF 以其 20V 耐压、低导通电阻、低栅极电荷及小型封装特点,提供了一种在便携电源和电源管理设计中兼顾效率与体积的实用解决方案。设计时需结合热耗散与驱动策略,保证长期稳定可靠运行。

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