WMSIC Electronic Components

WILLSEMI WNM4014-8/TR WNM4014

ModelWNM4014-8/TR
PackagePDFN5x6-8L
BrandWILLSEMI
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
WILLSEMI WNM4014-8 / TR
Type
WILLSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WILLSEMI
Electronic Component
WNM4014-8/TR
Electronic Component
1
Package
PDFN5x6-8L
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.232g
Electronic Component
1
Electronic Component
BM0264686268
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
63W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
100V

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

WNM4014-8/TR 产品概述

WNM4014 是 WILLSEMI(韦尔)推出的一款高性能 N 沟道增强型 MOSFET,封装为 PDFN5x6-8L,专为中高功率开关和转换应用设计。器件采用先进沟槽工艺,结合优化的芯片布局,在保持较低栅极电荷的同时实现了出色的导通电阻特性,适合 DC-DC 转换、功率开关、充电电路及同步整流等场景。

一、主要参数一览

  • 类型:N 沟道增强型 MOSFET
  • 数量:1 个 N 沟道
  • 漏源电压 Vdss:100 V
  • 连续漏极电流 Id:48 A
  • 导通电阻 RDS(on):7 mΩ @ Vgs = 4.5 V
  • 耗散功率 Pd:63 W
  • 阈值电压 Vgs(th):2.5 V
  • 栅极电荷 Qg:55 nC @ Vgs = 10 V
  • 输入电容 Ciss:2.96 nF
  • 输出电容 Coss:1.303 nF
  • 反向传输电容 Crss:67 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 品牌:WILLSEMI(韦尔)
  • 封装:PDFN5x6-8L
  • 型号:WNM4014-8/TR

二、器件特性与优势

  • 低 RDS(on):在 Vgs = 4.5 V 条件下 RDS(on) 仅 7 mΩ,适配逻辑电平及 5 V 驱动器,能显著降低导通损耗,提升系统效率。
  • 中等栅极电荷:Qg = 55 nC(10 V)在性能与驱动要求之间取得平衡,对高速开关场合需配合合适的驱动器以控制开关损耗与开关应力。
  • 较高的电压额定值:100 V 的 Vdss 使其适用于较高输入电压的开关电源与充电系统。
  • 宽温度范围:-55 ℃ 到 +150 ℃ 的工作温度覆盖严格的工业与消费类环境需求。
  • 封装优势:PDFN5x6-8L 提供良好的热性能与 PCB 布局灵活性,便于热量通过底部大焊盘和多通孔散出。

三、典型应用场景

  • 同步降压(Synchronous Buck)和升压(Boost) DC-DC 转换器
  • 电池充电与电源管理模块(适用于电动工具、便携式设备、汽车电子的非高压侧)
  • 通用功率开关、负载断路与逆变器前端开关(100 V 额定适配中高电压域)
  • 同步整流器、低导通损耗场合以提高效率

四、设计与使用建议

  • 栅极驱动:由于 Qg = 55 nC(10 V),推荐使用能提供足够瞬时电流的栅极驱动器。估算峰值驱动电流 Idrive ≈ Qg × dVg/dt;若要求较快上升沿(例如 50 V/µs),驱动器需能提供较大脉冲电流。
  • 栅极阻尼:为抑制振铃与降低发射突变应力,建议在栅极与驱动器之间串联适当的门极电阻(典型 2 Ω–10 Ω,依据系统开关速度和 EMI 要求调整)。
  • 漏-源布局:PDFN 封装需在 PCB 上提供大面积散热焊盘并配备多通孔(VIA)直通内层或底层散热平面,以充分利用 Pd = 63 W 的热能力。实际允许功率受 PCB 散热设计和环境温度影响,应通过热仿真或实测确认。
  • 开关过渡与钳位:在高 dv/dt 场合注意 Crss(67 pF)引起的反馈耦合,必要时在漏极侧加入 RC 吸收或 TVS 钳位以控制尖峰电压。
  • 并联与热均衡:若多颗并联使用,应保证源脚上的低阻抗回流路径和均流考虑(合理布线、对称布局),避免单颗芯片过热。
  • 反向恢复管理:在快速开关及大电流回路中,注意二极管的反向恢复与器件的耗散峰值,必要时采用软恢复二极管或适当的吸收网络。

五、封装与可靠性

  • PDFN5x6-8L 提供紧凑尺寸与低电感封装,适合高频开关设计。底部大焊盘用于散热连接,建议在 PCB 设计时配合焊盘尺寸和过孔布局以获得最佳热阻。
  • 工作温度范围宽,适合工业级应用;器件的长期可靠性依赖于热循环、峰值结温(Tj)控制以及焊接工艺规范。

六、选型与注意事项

  • 若系统驱动电压为 4.5 V 左右,WNM4014 能在较低栅压下提供低 RDS(on);若采用更高驱动(10–12 V),需注意栅极能量与开关损耗平衡。
  • 在高频与高电流应用中,应综合考虑开关损耗(与 Qg、Coss、Crss 相关)与导通损耗(与 RDS(on) 相关),并通过试验验证热/电行为。
  • 订购型号:WNM4014-8/TR,建议参考厂方完整数据手册获取封装尺寸、焊盘建议与典型特性曲线以完成最终设计。

如需更详细的电气特性曲线、封装焊盘建议图或参考电路(同步降压、半桥驱动示例)可提供进一步资料或帮助生成 PCB 布局建议。

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.