WMSIC Electronic Components

XNRUSEMI XR2302

ModelXR2302
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XNRUSEMI XR2302
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR2302
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0264844052
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

XR2302 N沟道MOSFET产品概述

XR2302是新锐半导体(XNRUSEMI)推出的一款超小型N沟道增强型MOSFET,采用SOT-23表面贴装封装,针对低压、高集成度、宽温范围的应用场景优化设计,在小功率电源管理、便携式设备、工业控制等领域具备显著的性能优势。

一、产品核心定位与基本属性

XR2302聚焦3.3V/5V系统的电源管理与开关控制,核心属性清晰:

  • 类型:N沟道增强型
  • 品牌:XNRUSEMI(新锐半导体)
  • 封装:SOT-23(超小型表面贴装,尺寸紧凑至约1.6mm×2.9mm×1.1mm)
  • 工作温度范围:-55℃至+150℃(覆盖工业级与消费电子高低温场景)

二、关键电气性能参数解析

XR2302的参数设计平衡了电流能力、导通损耗、开关速度三大核心指标,关键参数及价值如下:

1. 耐压与电流能力

  • 漏源击穿电压(Vdss):20V,适配3.3V/5V输入的低压系统(如电池供电设备、USB电源),无需额外高压防护;
  • 连续漏极电流(Id):5.2A(@25℃),在SOT-23封装下实现了较高的电流承载能力,可满足小型电机、大电流负载开关的需求(同类封装产品多在3A以内)。

2. 导通损耗控制

  • 导通电阻(RDS(on)):27mΩ(@Vgs=4.5V,Id=5.2A),属于同类封装中的低水平——低导通电阻可直接降低漏源压降,减少导通功耗(P=I²×RDS(on)),比如5A负载下导通损耗仅约0.675W,远低于高阻产品。

3. 驱动与开关特性

  • 阈值电压(Vgs(th)):1V(@Id=250μA),低阈值设计适配3.3V系统的驱动能力(无需升压即可稳定导通);
  • 栅极电荷量(Qg):5.6nC(@Vgs=4.5V),低Qg意味着开关过程中栅极充放电时间短,可提升开关频率上限(支持100kHz以上高频应用),降低开关损耗;
  • 电容参数:输入电容Ciss=358pF、反向传输电容Crss=58.5pF、输出电容Coss=69.3pF——电容特性优化了开关瞬态性能,减少电压过冲与电磁干扰(EMI),适配对噪声敏感的系统。

三、封装与热管理特性

XR2302采用SOT-23封装,具备以下实用优势:

  • 空间效率:超小型封装可节省PCB布局空间,适配便携式设备(如智能手环、蓝牙耳机)的高密度设计,1cm²PCB可布局数十个该器件;
  • 热性能:虽然额定耗散功率(Pd)为1W,但得益于低RDS(on),实际应用中导通功耗低,配合SOT-23封装的散热路径(引脚热传导),可满足大部分小功率场景的热需求;
  • 可靠性:封装采用耐高温环氧树脂,结合-55℃~+150℃的宽温范围,可稳定工作于工业环境(如车载电子、户外传感器)与极端温度场景。

四、典型应用场景

XR2302的参数与封装特性使其适配多类场景,核心应用包括:

  1. 便携式设备电源管理:手机、平板、智能穿戴的电池保护电路、充电开关(低RDS(on)减少电池放电损耗,延长续航);
  2. 低电压DC-DC转换器:3.3V/5V系统的升压/降压电路(如USB PD快充的辅助开关,支持5V→9V升压);
  3. 负载开关:USB接口、外设电源的通断控制(5.2A电流可覆盖多数外设负载,如移动硬盘、无线充电器);
  4. 小型电机驱动:玩具电机、小型直流风扇的驱动(低阈值与低Qg提升开关效率,降低电机发热);
  5. 工业控制小功率开关:传感器节点、PLC辅助电路的开关控制(宽温范围适配-20℃~+85℃的工业环境)。

五、选型优势总结

对比同类SOT-23封装低压MOSFET,XR2302的核心优势在于:

  • 低压高电流平衡:20V耐压下实现5.2A连续电流,同类产品中少见;
  • 低损耗设计:27mΩ导通电阻+低Qg,兼顾导通与开关损耗,系统效率提升约5%~10%;
  • 宽温适配:-55℃~+150℃覆盖工业级应用,可靠性更高;
  • 小封装高密度:SOT-23封装适配小型化设计需求,适合消费电子的轻薄化趋势。

XR2302通过优化电气性能与封装设计,为低压小功率场景提供了高性价比的MOSFET解决方案,可有效提升系统效率与空间利用率,是便携式设备、工业控制等领域的理想选型。

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