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Slkor SL4041
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Slkor SL4041
- Type
- SLKOR
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SLKOR
- Electronic Component
- SL4041
- Electronic Component
- 1
- Package
- SOT-23-3
- Electronic Component
- 1 P
- Type
- P
- Electronic Component
- MOSFET
- Electronic Component
- 0.043g
- Electronic Component
- 1
- Electronic Component
- BM0230872019
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 1.4W
- Gate Voltage(Vgs)
- ±20V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SL4041 产品概述
一、产品简介
SL4041（品牌：Slkor/萨科微）是一款低功耗P沟道场效应管，采用SOT-23-3小封装，面向便携式电源管理和高侧开关场合。器件额定耐压为40V，具备较小的门极电荷和中等电容值，适合在有限空间内实现可靠的功率开关与保护功能。
二、主要参数
- 类型：P沟道 MOSFET（单只）
- 漏源电压 Vdss：40V
- 连续漏极电流 Id：6A（额定值）
- 功耗 Pd：1.4W
- 门极总电荷 Qg：9.5 nC @ 4.5V
- 输入电容 Ciss：420 pF @ 15V
- 反向传输电容 Crss：55 pF @ 15V
- 工作温度范围：-55℃ ~ +150℃
- 封装：SOT-23-3
（注：SOT-23封装下的6A为器件极限或封装相关额定，实际可用电流需依据PCB散热条件和结温限制进行降额。）
三、关键特性与设计要点
- P沟道结构便于做高侧开关，省去外部升压驱动；适用于负极侧为地的电源路径控制。
- 门极电荷较低（[email protected]），对驱动器负担小，有利于快速切换；同时Ciss/Crss提示开关瞬态与回路干扰需要合理抑制。
- 由于Pd仅1.4W且封装为SOT-23，热阻较大，长时间大电流工作需关注结温和PCB散热设计。
四、典型应用场景
- 电池管理与电源路径切换（便携设备、移动终端）
- 高侧负载开关、倒灌保护与短路隔离
- 低电压直流-直流转换器的同步开关或旁路保护
- 通用功率开关与信号隔离场合
五、PCB布局与热管理建议
- 将MOSFET靠近负载放置，减少走线电阻与寄生感抗。
- 扩展引脚铜箔与散热铜 pours，并增加过孔到多层接地铜层以提升散热能力。
- 使用短且宽的走线连接漏/源，引入合适的滤波与TVS以抑制开关浪涌。
- 推荐在门极串联小电阻（例如10Ω~100Ω）以抑制振铃并限制瞬态电流；在敏感场合并联适当的RC缓冲。
六、选型与使用注意事项
- 在实际设计前务必查阅完整数据手册，确认Rds(on)、脉冲电流能力以及热阻与结温限制。
- 对于持续高电流场合，应按实际PCB散热条件对最大允许电流进行降额计算；必要时选择更大封装或并联器件。
- 注意静电防护与焊接规范，避免高温或过度机械应力影响SOT-23封装可靠性。
总体而言，SL4041适合在空间受限、需要P沟道高侧控制且电压不超过40V的场合使用；合理的驱动与热设计可发挥其在便携电源与电源管理电路中的优势。
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