WMSIC Electronic Components

JSMSEMI IRFR5305

ModelIRFR5305
PackageTO-252AA
BrandJSMSEMI
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI IRFR5305
Type
JSMSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
IRFR5305
Electronic Component
1
Package
TO-252AA
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0226332570
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
60W
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.

IRFR5305 产品概述

一、器件简介

IRFR5305 是 JSMSEMI(杰盛微)推出的一款 P 沟道功率场效应晶体管(P-channel MOSFET),封装为 TO-252AA(DPAK)。该器件适用于需要高电流和中等耐压的开关与分流场合,主要参数包括:漏源电压 Vdss = 60V、连续漏极电流 Id = 26A、在 Vgs=4.5V 时的导通电阻 RDS(on) = 23mΩ。工作温度范围宽(-55℃ 至 +175℃),适合工业级应用。

二、主要特性

  • P 沟道结构,便于高端开关和电源逆向配置。
  • 耐压 60V,适用于 12V/24V 系统及中低电压总线。
  • 低导通电阻:23mΩ @ Vgs = 4.5V,有利于降低导通损耗。
  • 较大连续电流能力:26A,可承载较高负载电流(需注意散热)。
  • 栅极电荷 Qg = 53nC @ 10V,输入电容 Ciss = 1.886nF,开关驱动需考虑充放电能量。
  • 工作温度范围:-55℃ ~ +175℃,适应恶劣环境。

三、电气参数概览

  • 漏源电压(Vdss):60 V
  • 连续漏极电流(Id):26 A
  • 导通电阻(RDS(on)):23 mΩ @ Vgs = 4.5 V
  • 阈值电压(Vgs(th)):2.5 V @ 250 μA
  • 栅极电荷(Qg):53 nC @ 10 V
  • 输入电容(Ciss):1.886 nF
  • 输出电容(Coss):540 pF
  • 反向传输电容(Crss / Crss):240 pF
  • 最大耗散功率(Pd):60 W(在指定散热条件下)

注:阈值电压表明器件在低 Vgs 下即可导通,但实际导通电阻随 Vgs 上升显著下降;设计时请以所需导通损耗选择合适的驱动电压。

四、应用场景

  • 高端开关(高边)场合的 P 沟道开关或逆变器控制。
  • 电源管理:负载断开、电池保护、反向保护电路。
  • DC-DC 变换器与电机驱动中的高侧开关(当需要 P 沟道替代或配合 N 沟道时)。
  • 汽车电子、通信设备及工业电源等需大电流、工作温度宽的场合。

五、驱动与布局建议

  • 由于 Qg = 53nC 且 Ciss 接近 1.9nF,建议使用有足够驱动电流能力的栅极驱动器;若采用 MCU 直驱,应评估驱动器充放电能力和切换速度需求。
  • 为控制开关振铃与应力,可在栅极串联一个小阻值(典型 10–100Ω,也可按切换速度与 EMI 要求选取)。
  • PCB 布局上,尽量缩短栅极、漏极、源极的回路,使用宽铜箔和多层热过孔来提升散热能力。TO-252AA 的底面应与大面积散热铜箔连接并通过焊盘散热。
  • 输出与输入回路侧应做好去耦与吸收(如 RC、RC-L 抑制网络或 TVS)以抑制开关尖峰,保护器件不过压。

六、热管理与可靠性

  • 标称耗散功率 Pd = 60W,但实际可达值强烈依赖 PCB 散热设计与环境。高电流、连续工作时需良好散热(如增加铜面、过孔、外接散热器或强制风冷)。
  • 长期可靠性受结温影响:尽量保证器件工作结温在安全范围内,避免长时间高温运行导致 RDS(on) 增大和寿命下降。
  • 工作温度范围宽(-55℃ 至 +175℃),适合车规级或工业级环境,但请参考完整数据手册中的热阻与包封限制进行设计。

七、使用注意事项

  • 设计时确认系统允许的最大 Vgs 值(请以原厂完整数据手册为准),避免超出栅极电压限值造成击穿。
  • 反向导通与寄生二极管特性会影响反向电流和开关损耗,必要时在电路中加入补偿元件或选用并联结构优化性能。
  • 若需要并联使用多片器件,请注意匹配 RDS(on)、热分布与共享电流问题,必要时加系列电阻或热均衡措施。

总结:IRFR5305 在 60V 耐压、低 RDS(on) 和较高连续电流能力之间取得平衡,适合中低电压系统的高侧开关与电源保护场合。合理的栅极驱动与良好 PCB 散热是发挥其性能与保证可靠性的关键。若需更详细的限制条件与典型特性曲线,请参考 JSMSEMI 的完整版数据手册。

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