WMSIC Electronic Components

XNRUSEMI XR3402

ModelXR3402
PackageSOT-23
BrandXNRUSEMI
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
XNRUSEMI XR3402
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR3402
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0264844114
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.1W
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.

XR3402 N沟道MOSFET产品概述

新锐半导体(XNRUSEMI)推出的XR3402是一款针对低压小功率场景优化的N沟道增强型MOSFET,采用SOT-23紧凑封装,凭借均衡的电气性能与高可靠性,成为便携电子、低功耗电源管理等领域的优选器件之一。

一、产品定位与核心应用场景

XR3402定位于30V以下低压、1.1W以内功率的应用场景,重点解决便携设备的空间限制、低功耗需求与可靠驱动问题。其典型应用覆盖:

  • 便携电子:智能手机、智能手环、无线耳机的电源负载开关、充电电路;
  • 电源管理:5V/3.3V低压DC-DC转换器(同步整流)、锂离子电池过流/过压保护;
  • 小型驱动:玩具电机、微型泵、LED背光驱动;
  • 工业控制:低电压信号开关、继电器替代(无触点长寿命)。

二、关键电气参数深度解析

XR3402的电气参数针对低压应用做了精准平衡,核心指标的设计兼顾性能与可靠性:

1. 电压与电流承载能力

  • 漏源击穿电压(Vdss):30V:满足5V、12V、24V等主流低压系统的安全工作需求,避免过压损坏;
  • 连续漏极电流(Id):4.5A:常温下可稳定承载4.5A持续电流,结合低导通电阻,2A负载仅产生0.28W导通损耗,裕量充足。

2. 导通与开关特性

  • 导通电阻(RDS(on)):70mΩ@2.5V:在2.5V栅极驱动下实现低导通电阻,优于同类竞品(部分竞品≥80mΩ),直接降低损耗与发热;
  • 栅极电荷量(Qg):[email protected]:低栅极电荷意味着开关速度快(响应时间<100ns),开关损耗低,适配1MHz以上高频DC-DC转换。

3. 阈值与温度适应性

  • 阈值电压(Vgs(th)):1.4V@250uA:阈值适中,既避免低电压误触发,又兼容1.8V、2.5V、3.3V等常见MCU输出,无需额外驱动电路;
  • 工作温度范围:-55℃~+150℃:覆盖工业级宽温需求,可在户外低温(如-40℃)或密闭模块高温(如120℃)环境下稳定工作。

4. 功率耗散与可靠性

  • 最大耗散功率(Pd):1.1W:结合导通损耗的低水平,实际工作功率远低于额定值,器件寿命与可靠性得到保障。

三、封装与可靠性设计

XR3402采用SOT-23封装,尺寸仅2.9mm×1.6mm×1.1mm,显著节省PCB空间,适配小型化产品设计。新锐半导体针对该封装做了以下优化:

  • 引脚工艺:抗氧化镀层提升焊接可靠性,长期使用无接触不良风险;
  • 宽温测试:通过-55℃~+150℃温度循环测试,满足工业级环境要求;
  • ESD防护:内置基础ESD防护(HBM≥2kV),降低生产与使用中的静电损坏概率。

四、性能优势对比(同封装竞品)

相比市场上同封装(SOT-23)、同电压等级(30V)的MOSFET,XR3402的核心优势明显:

指标 XR3402 竞品A 竞品B RDS(on)@2.5V 70mΩ 85mΩ 90mΩ [email protected] 2.6nC 3.2nC 3.0nC 工作温度范围 -55~150℃ -40~125℃ -40~125℃ 连续漏极电流 4.5A 4.0A 4.2A

五、典型应用电路示例

以无线耳机充电盒负载开关为例:

  • 需求:耳机放入时导通充电,取出时关断降待机功耗;
  • 逻辑:MCU输出3.3V信号驱动XR3402栅极(Vgs=3.3V>1.4V阈值),漏极接3.7V电池,源极接耳机充电接口;
  • 优势:SOT-23封装节省空间,70mΩ电阻降低充电损耗,2.6nC电荷实现快速开关。

综上,XR3402凭借紧凑封装、低损耗、高速开关与宽温可靠性,成为低压小功率MOSFET领域的高性价比选择,可有效提升便携设备与低功耗系统的设计效率与性能。

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