WMSIC Electronic Components

XNRUSEMI XR3400

ModelXR3400
PackageSOT23
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 XR3400
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR3400
Electronic Component
1
Package
SOT23
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0264844068
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.3W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V
Capacitor(Ciss)
507pF

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

XR3400 产品概述

一、简介

XR3400 是 XNRUSEMI(新锐)推出的一款高细胞密度沟槽式 N 沟道 MOSFET,采用 SOT-23 小封装,面向小功率开关与负载开关应用。器件在低导通损耗与较小封装之间取得平衡,既适合空间受限的便携与嵌入式系统,也便于批量成本控制。产品符合 RoHS 与绿色环保要求,并通过全功能可靠性认证,适合量产与工业级应用场景。

二、主要参数

  • 器件类型:N 沟道 MOSFET(沟槽式,高细胞密度)
  • 数量:1 个 N 沟道
  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id:5.8 A
  • 导通电阻 RDS(on):25 mΩ @ Vgs = 10 V
  • 最大耗散功率 Pd:1.3 W(封装热限)
  • 阈值电压 Vgs(th):800 mV(典型)
  • 总栅极电荷 Qg:9.1 nC @ 15 V
  • 输入电容 Ciss:507 pF
  • 反向传输电容 Crss:43 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-23

三、产品优势

  • 低导通电阻:25 mΩ(10 V 驱动)在同类 SOT-23 器件中表现优异,可降低导通损耗,提高效率。
  • 适度栅极电荷:Qg = 9.1 nC(15 V)在开关速度与驱动能耗之间取得平衡,适合大多数中低频率开关场景。
  • 小体积封装:SOT-23 有利于高密度 PCB 布局及体积受限的应用。
  • 宽温度范围与可靠性认证,适合工业与消费类长期运行。

四、典型应用

  • 电源管理:负载开关、倒相切换、保护开关
  • DC-DC 变换器中的低侧开关(在符合驱动电压条件下)
  • 电池供电设备与便携终端的能量路径控制
  • 小功率马达驱动、继电器/电磁阀驱动(配合限流、电感吸收电路)

五、设计与热管理建议

  • 驱动电压:为获得标注的 25 mΩ RDS(on),建议栅极驱动到 10 V;器件阈值约 0.8 V,但在低驱动电压下 RDS(on) 会显著增大,应根据系统允许的导通损耗评估是否可使用 4.5 V 或更低驱动。
  • 热设计:封装最大耗散 Pd = 1.3 W,SOT-23 的实际电流承载能力受 PCB 铜箔面积与散热条件影响显著。高连续电流工况下需增大散热铜箔、使用多层板并增加过孔或将器件并联以分摊热量。
  • 布局注意:尽量缩短电流回路(D–S)走线,增大焊盘铜箔面积以降低寄生阻抗和热阻;栅极走线要短且避免和高 di/dt 回路靠近,必要时在栅极串联小电阻以抑制振铃。
  • 抗电感保护:驱动感性负载时应加入续流二极管、TVS 或 RC 吸收网络,避免大幅度的电压尖峰超出 Vdss 及引起器件应力。
  • 开关损耗评估:考虑 Qg 与 Ciss 对驱动能耗与开关损耗的影响,在高频场景下注意驱动器能力与功率预算。

六、可靠性与合规性

XR3400 满足 RoHS 与绿色产品要求,并通过厂家的全功能可靠性认证,适用于工业与消费类产品设计。器件的工作温度范围宽(-55 ℃ 至 +150 ℃),适合多工况长期运行,但在极端热应力下仍应遵循热设计守则以保证使用寿命。

七、结论与选型建议

XR3400 以 SOT-23 小封装提供了在 30 V 等级下优秀的低 RDS(on) 性能与适度的栅极电荷,适合小功率开关、负载控制与电源路径管理等应用。在选型时,应综合考虑系统的驱动电压、连续电流、散热能力与开关频率:若系统能提供接近 10 V 的栅极驱动并能做好 PCB 散热布局,XR3400 可作为高效率、低损耗的优选;若仅能使用低电平驱动或期望更高电流裕度,则建议评估额定在 5 V/3.3 V 条件下 RDS(on) 规格或选择更大封装器件。

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