WMSIC Electronic Components

JJW JMTK50N06B

ModelJMTK50N06B
PackageTO-252
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 JMTK50N06B
Type
JJW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
JMTK50N06B
Electronic Component
1
Package
TO-252
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.477g
Electronic Component
1
Electronic Component
BM0228561485
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
75W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
60V

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

JMTK50N06B 产品概述

JMTK50N06B 是捷捷微(JJW)推出的一款 60V N 沟道功率 MOSFET,封装为 TO-252(DPAK),适用于中高电压、较大电流的开关与功率管理场景。该器件在 4.5V 驱动条件下 RDS(on) 仅 21mΩ(在 20A 条件下),并具备较高的额定连续漏极电流与功率耗散能力,适合在板载 DC-DC、同步整流和电机驱动等应用中使用。

一、主要规格

  • 类型:N 沟道 MOSFET
  • 漏源电压 Vdss:60V
  • 连续漏极电流 Id:50A
  • 导通电阻 RDS(on):21mΩ @ Vgs=4.5V, Id=20A
  • 阈值电压 Vgs(th):2.5V @ Id=250µA
  • 总栅电荷 Qg:45nC @ Vgs=10V
  • 输入电容 Ciss:2.03nF;输出电容 Coss:130pF;反向传输电容 Crss:115pF
  • 功耗 Pd:75W(器件额定,实际散热依布局决定)
  • 工作温度范围:-55°C ~ +175°C
  • 封装:TO-252(DPAK)

二、关键特性

  • 低导通损耗:21mΩ 的低 RDS(on) 在大电流场合可显著降低导通损耗,适合高效率功率转换。
  • 中高压能力:60V 额定使其可用于 24V/48V 等中高电压系统的开关或整流应用。
  • 开关特性与驱动:45nC 的总栅电荷属中等水平,对栅极驱动能力有一定要求;高频开关时栅驱动电流和驱动能量应评估。
  • 容性参数:Ciss/Crss/Coss 数据有助于评估开关瞬态、米勒效应及 EMI 行为。

三、性能与电路设计要点

  • 栅驱动:以 Qg=45nC 计算,所需平均栅驱动电流 Ig=Qg·f。例如在 100kHz 下 Ig≈4.5mA;在 500kHz 下约 22.5mA。若用于高频开关(>100kHz),建议使用有足够电流驱动能力的栅极驱动器。
  • 开关损耗:开关损耗与 Vds·Id·开关时间相关;需平衡栅极电阻(常用 5–47Ω)以控制上升/下降时间与振铃。对感性负载建议配置 TVS 或 RC 吸收网络以保护器件。
  • 导通损耗举例:在 20A 条件下,导通损耗约 I^2·R ≈ 8.4W(仅导通部分,实际受温度影响 RDS(on) 上升)。
  • 并联使用:若需并联多颗以分担电流,注意布局均流、门极驱动一致性及热均匀性,通常应匹配器件并配合小差分电阻或共享感抗设计。

四、热管理与可靠性

  • 虽标称 Pd=75W,但在实际 PCB 环境下,器件能耗受封装散热、焊盘铜箔面积和环境温度限制。建议加大铜箔散热面积、使用过孔导热到背面大地或散热片,并保证良好的热接触。
  • 长时间高温工作会导致 RDS(on) 上升,需留出功率与温升裕量。器件工作温度覆盖 -55°C 至 +175°C,设计时仍应考虑热循环与焊接工艺的可靠性。

五、典型应用场景

  • DC-DC 降压/升压转换器(开关管或同步整流)
  • 电机驱动与电源开关
  • 逆变器中间级或辅助电源
  • 电子负载、开关电源和交流/直流转换器中的高效开关元件

六、封装与焊接注意

  • 封装:TO-252(DPAK),常见引脚排列为 1-Gate、2-Drain、3-Source,散热片为 Drain(以厂商数据为准)。
  • 焊接建议:采用热沉焊盘与足够铜厚,回流温度曲线遵循厂家建议,避免长时高温导致器件应力。

七、选型建议与总结

JMTK50N06B 在 60V/50A 等级中提供了较低的导通电阻与中等栅电荷特性,适合追求效率与较高电流密度的中低频电源与驱动场合。选型时应关注实际工作电压、开关频率、散热条件以及驱动能力;高频场合需更强的栅极驱动或考虑低 Qg 的替代器件。具体电气与热性能以厂商完整数据表为准,设计时建议参考器件封装图与 PCB 布局指南以确保可靠运行。

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