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ElecSuper IRF4905STRLPBF-ES IRF4905STRLPBF
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super IRF4905STRLPBF-ES
- Type
- ELECSUPER
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- IRF4905STRLPBF-ES
- Electronic Component
- 1
- Package
- TO-252
- Electronic Component
- 1 P
- Type
- P
- Electronic Component
- MOSFET
- Electronic Component
- 0.446g
- Electronic Component
- 1
- Electronic Component
- BM0258808453
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 62.5W
- 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.
IRF4905STRLPBF-ES 产品概述
一、简介
IRF4905STRLPBF-ES 是 ElecSuper（静芯微）推出的一款 P 沟道功率 MOSFET，额定漏源电压 -60V，适用于高侧开关与功率管理场合。器件采用 TO-252（DPAK）表面贴装封装，结合低导通电阻与较高的耗散能力，适合要求高效率、小体积的电源与驱动应用。
二、主要电气参数
- 漏源电压 Vdss：-60V
- 连续漏极电流 Id：48.7A（器件额定）
- 导通电阻 RDS(on)：11.5mΩ @ Vgs = -10V；14.3mΩ @ Vgs = -4.5V
- 阈值电压 Vgs(th)：约 -1.6V（Igs = -250μA）
- 栅极总电荷 Qg：45nC @ 10V
- 输入电容 Ciss：7.8nF；输出电容 Coss：300pF；反向传输电容 Crss：270pF
- 功率耗散 Pd：62.5W（良好散热条件下）
- 工作温度范围：-55℃ ～ +150℃
注：部分资料也列示有型号变体或典型参数为 -25A / 22mΩ @ -10V（请以最终数据手册为准）。
三、主要特性与优势
- 低导通电阻在开通态显著降低传导损耗，有利于提升系统效率并减小发热；
- 较大的额定电流与耗散能力适合中功率开关及负载切换；
- 扇区化栅容（Qg、Ciss、Crss）参数表明在开关速度与驱动功率之间取得平衡，便于设计驱动电路与控制开关损耗；
- TO-252 封装兼顾了散热与 PCB 安装的便捷性，适于模块化设计。
四、典型应用
- 高侧 DC/DC 转换器与降压/升压模块；
- 电源管理单元与负载开关；
- 继电器替代与开关电路；
- LED 驱动与电机控制模块；
- 各类驱动器、保护电路与功率开关场合。
五、设计与使用建议
- 作为 P 沟道器件，典型用于高侧开关，注意源极须连接正电源，驱动电压需使 Vgs 足够负以完全导通；在设计时严格按照厂商数据手册给出的最大 Vgs 限值与栅驱能量要求进行选型；
- Qg = 45nC 意味着栅极驱动电流不可忽视，快速切换需提供足够驱动能力以控制开关损耗与电磁干扰；
- 注意器件在高温下 RDS(on) 会上升，应在热设计（铜箔面积、散热器或热垫）上留余量以满足 Pd 要求；Coss/Crss 会影响开关瞬态与 Miller 效应，布局时尽量缩短栅极、源极与驱动回路环路面积；
- 焊接与安装请遵循 TO-252 焊接工艺规范，避免过热或机械应力影响可靠性。
六、结论
IRF4905STRLPBF-ES 以其 -60V 的压摆能力、低 RDS(on) 与中等栅荷的特性，适合用于高侧开关和中等功率的开关电源、驱动及电源管理模块。选型时请结合实际工作电流、散热条件及栅极驱动能力，并以厂家最终数据手册为准进行详细电气与热分析。
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