WMSIC Electronic Components

XNRUSEMI XR50N03D

ModelXR50N03D
PackagePDFN3333-8L
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 XR50N03D
Type
XNRUSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR50N03D
Electronic Component
1
Package
PDFN3333-8L
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.112g
Electronic Component
1
Electronic Component
BM0264844147
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
18W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V

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

XR50N03D 产品概述

XR50N03D 是 XNRUSEMI(新锐)推出的一款高单元密度沟槽式 N 沟道 MOSFET,专为同步降压转换器与高效率功率级场景设计。在保持低导通损耗的同时兼顾开关性能和可靠性,满足工业与消费类多种电源与功率管理应用需求。

一、主要参数概览

  • 类型:N 沟道 MOSFET(单片)
  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id:50 A
  • 导通电阻 RDS(on):8.5 mΩ @ Vgs = 10 V
  • 栅极阈值电压 Vgs(th):2.5 V(典型)
  • 总栅极电荷 Qg:12.8 nC @ Vgs = 4.5 V
  • 耗散功率 Pd:18 W
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:PDFN3333-8L
  • 认证与可靠性:符合 RoHS 与绿色产品要求,100% 保证雪崩能量(Avalanche Energy),具备完整功能可靠性认证

二、关键特性与优势

  • 低导通电阻:8.5 mΩ(Vgs=10V)在高电流条件下能有效降低导通损耗,适合高效功率开关应用。
  • 适中栅极电荷:Qg=12.8 nC(在4.5V测得),驱动能耗与开关损耗均衡,便于与常见驱动器配合使用。
  • 雪崩能量保证:对感性负载的抗脉冲能力强,提高系统稳健性,适合同步整流、MOSFET 串联开关等场景。
  • 宽温度范围与高耗散能力:适应工业级工作环境及高功率密度电路设计。

三、典型应用场景

  • 同步降压(Synchronous Buck)和降压转换器的功率开关管
  • 高效率 DC-DC 转换模块、服务器及通信电源
  • 电池管理与电源开关(Battery switch / Load switch)
  • 电机驱动低压侧功率开关
  • 各类需要抗脉冲和高瞬态能力的功率级设计

四、驱动与开关建议

  • 建议使用 Vgs ≈ 10 V 的驱动电压以获得标称 RDS(on) 性能;在逻辑电平(4.5 V)下导通电阻会显著增大,应在系统热分配允许的前提下评估。
  • 栅极驱动损耗估算:P_gate ≈ Qg × Vdrive × f_sw。以 Qg=12.8 nC、Vdrive=10 V、f_sw=500 kHz 为例,P_gate ≈ 12.8e-9 × 10 × 5e5 ≈ 0.064 W(仅作为估算参考)。
  • 推荐在门极串联合适的门极电阻(常见 5–20 Ω)以控制 dv/dt、减小振铃并保护驱动器;高频切换时可适当调小或增大阻值以平衡开关损耗和 EMI。

五、布局与散热建议

  • PDFN3333-8L 小封装需重视 PCB 热设计:在芯片底部与引脚处布置足够的散热焊盘,并使用多层大面积铜箔与通孔(thermal vias)将热量导向内层或底层散热平面。
  • 耗散功率 18 W 为封装额定值,实际可用散热能力强烈依赖 PCB 尺寸、铜箔厚度与散热条件,设计时应基于实际 PCB RθJA 计算结温并留有裕量。
  • 对于高电流路径,采用宽铜箔短路径布局以降低 PCB 导体损耗和电感。

六、保护与可靠性注意事项

  • 该器件100% 雪崩能量保证,适合处理导通瞬态与开关回路的能量冲击,但在实际应用中仍建议配合合适的回流二极管、RC 吸收或 TVS 等保护电路,尤其在频繁反向恢复或恶劣电源环境下。
  • 遵循 MOSFET 的静电防护规范(ESD),在装配与测试环节使用接地手环、静电工作台及防静电包装。
  • 设计中应考虑短路保护(OC / SCP)、过温保护(OTP)与合理的软起动策略以延长系统寿命。

七、选型与替代考虑

  • 若系统工作电压或功率密度较高,需评估是否需要更低 RDS(on) 或更高 Vdss 的器件;反之若驱动仅为低电平(≤5 V),需参考器件在低 Vgs 下的 RDS(on) 曲线以确保热耗满足需求。
  • 在空间受限且要求高电流能力的应用,PDFN3333-8L 提供了良好的电热性能与封装尺寸平衡。

八、总结

XR50N03D 以其低导通阻抗、适中的栅极电荷和强劲的雪崩能量能力,适合用作同步降压转换器与各类高效率功率级的主要开关器件。合理的门极驱动设计与 PCB 热管理是发挥该器件性能的关键。XNRUSEMI 提供的 RoHS 与可靠性认证也便于在工业与消费类产品中安心集成。若需进一步的电气特性曲线、结到封装热阻或参考 PCB 布局文件,请提供您的具体系统条件以便给出更精确的设计建议。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.