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KUU IRLML2502TRPBF
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU IRLML2502TRPBF
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- IRLML2502TRPBF
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 N
- Type
- N
- Electronic Component
- MOSFET
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0264873500
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 1.25W
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 20V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
IRLML2502TRPBF 产品概述
一、主要参数与特性
IRLML2502TRPBF 是一款小封装、低压、逻辑电平驱动的 N 沟道场效应管，适合便携与功率管理场合。主要参数如下：
- 数量：1 个 N 沟道
- 漏源电压 Vdss：20 V
- 连续漏极电流 Id：6 A
- 导通电阻 RDS(on)：25 mΩ @ VGS = 4.5 V
- 耗散功率 Pd：1.25 W（封装与环境依赖）
- 阈值电压 VGS(th)：约 1 V
- 栅极电荷 Qg：10 nC @ 4.5 V
- 输入电容 Ciss：574 pF；反向传输电容 Crss：60 pF
- 工作温度范围：-55 ℃ ~ +150 ℃
- 封装：SOT-23
- 品牌：KUU
二、性能解读
该器件为典型的逻辑电平 MOSFET：在 4.5 V 门极驱动下即可达到 25 mΩ 的低导通电阻，适合与 MCU 或 5 V 驱动直接接口。较低的 Qg（10 nC）和中等 Ciss 表明在中高频切换（例如 DC-DC 开关）中驱动能耗和开关损耗处于可控范围。20 V 的耐压适用于单节电池或 12 V 较低电压系统。需注意 SOT-23 封装的热阻较大，额定耗散功率 1.25 W 在无强制散热条件下需考虑功率与温升的匹配与降额。
三、典型应用
- 便携设备的电源开关与负载开关（低压、低损耗场合）
- 电池管理与电源路径切换（单节锂电、USB 电源等）
- 低压 DC-DC 转换器的同步整流或开关元件（小功率）
- 驱动小型电机、继电器或指示负载（受限于功耗与散热）
四、PCB 与散热建议
- SOT-23 封装散热有限，建议在 PCB 上使用较大铜箔面积连接源脚和漏脚，并尽量增加散热层和过孔以引导热量到大面积铜箔。
- 布局上门极走线应尽量短，靠近驱动源放置门极电阻（10〜100 Ω）抑制振荡；源端应为测量基准，布线粗短以减小寄生电感。
- 对于开关频率较高的应用，建议在门极到驱动端并联小阻尼和必要的 RC 滤波以控制上升下降沿，减小 EMI。
- 若在高环境温度或连续大电流工况下使用，应按规格书进行温升与功耗计算并考虑降额使用。
五、选型与注意事项
- 确认系统工作电压与最大 Vdss（20 V）匹配，避免超压。
- 在需要大电流或持续功耗时优先评估热管理方案，必要时选择更大封装或并联器件。
- 驱动电压建议以 4.5 V 为基准评估 RDS(on)，低于该电压时导通阻抗会上升，影响热耗与效率。
- 在高速切换或感性负载场合加装适当的吸收元件（TVS、二极管或RC）以保护器件免受尖峰电压冲击。
总结：IRLML2502TRPBF 以低导通电阻、逻辑电平驱动和小封装为主要优势，适用于空间受限且要求低压高效开关的应用场景。选型时重点关注散热条件与实际门极驱动电压，确保在安全工作区内运行。
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