WMSIC Electronic Components

JJW(捷捷微) JMSL0302AU-13

ModelJMSL0302AU-13
PackagePDFN3x3
BrandJJW
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
JJW JMSL0302AU-13
Type
JJW
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMSL0302AU-13
Electronic Component
1
Package
PDFN3x3
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.159g
Electronic Component
1
Electronic Component
BM0228561659
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
50W
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.

JMSL0302AU-13 产品概述

JMSL0302AU-13 是捷捷微(JJW)推出的一款低导通阻抗、高电流能力的 N 沟道功率 MOSFET,封装为 PDFN3x3,适用于要求低导通损耗与高开关性能的电源与功率管理应用。器件的工作温度范围为 -55℃ 至 +150℃,适合汽车级与工业级温度要求的场景。

一、主要参数(关键特性)

  • 类型:N 沟道 MOSFET
  • 漏源电压 Vdss:30 V
  • 连续漏极电流 Id(典型):145 A(需结合 PCB 散热条件)
  • 导通电阻 RDS(on):2.5 mΩ @ Vgs = 4.5 V
  • 阈值电压 Vgs(th):2.5 V @ Id = 250 μA(阈值偏高,注意栅极驱动裕量)
  • 总栅电荷 Qg:39 nC @ Vgs = 10 V
  • 输出电容 Coss:2.65 nF,输入电容 Ciss:2.975 nF,反向传输电容 Crss:117 pF
  • 耗散功率 Pd:50 W(依赖封装与 PCB 散热条件)
  • 封装:PDFN3x3(小封装、高功率密度)

二、性能亮点与电气行为

  • 极低的导通电阻(2.5 mΩ@4.5 V)带来很低的导通损耗,适合作为低压、大电流开关或同步整流器使用。
  • 在逻辑电平驱动(4.5 V)下即可获得低 RDS(on),但阈值 Vgs(th)=2.5 V 提示在 3.3 V 逻辑下要评估导通不足的风险。
  • 中等的栅电荷(39 nC)在高频开关时对驱动功率和驱动器能力有一定要求,但总体开关损耗可控。
  • Coss 与 Crss 数值反映了关断/恢复过程中的能量交换,适合在较低电压(≤30 V)系统中使用。

三、典型应用场景

  • 同步降压转换器(Synchronous Buck)
  • 车载电源与电机驱动(在符合热设计与电气规范下)
  • 高效率功率开关、负载开关与电池管理系统(BMS)
  • 开关电源二极管替代(同步整流)

四、使用与设计建议

  • 栅极驱动:建议使用能提供 10 V(或 ≥4.5 V)的栅极驱动器以充分降低 RDS(on)。估算示例:若开关频率为 100 kHz,则栅极驱动功率 Pgate ≈ Qg·Vgs·fs = 39 nC·10 V·100 kHz ≈ 0.039 W(较小),但瞬态电流要求取决于期望上升/下降时间(例如 tr = 100 ns 时,瞬时 Ig ≈ Qg/tr ≈ 0.39 A)。
  • 开关损耗:由 Coss 引起的能量 Eoss ≈ 0.5·Coss·Vds^2。以 Vds=30 V 为例,Eoss ≈ 0.5·2.65 nF·30^2 ≈ 1.19 μJ,若 100 kHz 则对应约 0.12 W。总体开关损耗应与导通损耗一并评估。
  • 导通损耗示例:Pcond = I^2·RDS(on),在 100 A 的理想条件下 Pcond ≈ 100^2·0.0025 = 25 W,说明高电流工作时需良好散热与合理占空比管理;器件标称 145 A 为热极限依赖值,实际持续电流取决于 PCB 散热设计与允许结温。
  • PCB 布局:建议使用大面积散热铜箔、底层热焊盘并配合多通孔(thermal vias)直通散热层;尽量缩短源-漏与栅极回路的环路面积,使用旁路电容靠近器件引脚。
  • 保护与可靠性:在驱动感性负载时加入合适的驱动串联电阻、缓冲网络或 RC 吸收以限制开关尖峰;必要时并用 TVS 抑制瞬态过压。遵守静电防护规范,焊接时按照厂商回流曲线进行。

五、注意事项与查看点

  • 虽然给出了关键电参数,具体的极限参数(如 Vgs 最大、脉冲能力、热阻 θJA/θJC、EAS 等)及典型曲线应参考完整数据手册以完成最终电路设计与热仿真。
  • PDFN3x3 为小体积高功率密度封装,需在 PCB 设计上给予充分的热处理(铜层与过孔)以发挥器件的额定能力。

总结:JMSL0302AU-13 以其 2.5 mΩ 的低导通电阻与 30 V/145 A 的高电流能力,在低压大电流场合具有成本与效率优势。合理的栅极驱动、严谨的 PCB 热设计与保护电路是发挥其性能与保证可靠性的关键。若需器件详细曲线与极限参数,建议索取并参照官方完整数据手册。

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.