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Slkor SL2312
Configuration
1 options
Configuration
23+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Slkor SL2312
- Type
- SLKOR
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SLKOR
- Electronic Component
- SL2312
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 N
- Type
- N
- Electronic Component
- MOSFET
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Electronic Component
- BM0264215868
- 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.
SL2312 产品概述
一、简介
SL2312 是萨科微（Slkor）推出的一款小封装功率场效应管，属于N沟道增强型MOSFET，封装为SOT-23，面向便携式与低压功率控制场景。器件在20V耐压下可提供最高连续5A的漏极电流，适合低电压开关与功率路径管理。
二、主要参数
- 类型：N沟道 MOSFET（增强型）
- 漏源电压 Vdss：20V
- 连续漏极电流 Id：5A
- 导通电阻 RDS(on)：50mΩ @ Vgs = 1.8V
- 耗散功率 Pd：1.25W（基于封装与环境散热条件）
- 阈值电压 Vgs(th)：1.2V
- 输入电容 Ciss：650pF
- 工作温度范围：-55℃ ~ +150℃
- 封装：SOT-23（3引脚）
三、特性与优势
- 低导通电阻：在1.8V栅压下50mΩ的RDS(on)可在低电平驱动下实现较低的导通损耗，适合直接由低电压逻辑或锂电池供电驱动。
- 小型封装：SOT-23体积小，便于高密度PCB布局与自动贴装。
- 宽温度范围：-55℃至+150℃的额定温度适用于工业级与消费类环境。
- 中等输入电容：650pF有利于开关速度与驱动能耗之间的平衡。
四、典型应用
- 电池供电设备的低侧开关与负载切换（电机驱动小电流段、LED驱动等）
- 电源管理与电源路径选择（倒灌保护、负载隔离）
- DC-DC转换器的同步整流或辅助开关（需评估开关损耗）
- 通用功率开关与微控制器直接驱动负载场景
五、封装与热性能
SOT-23封装的热阻和功率耗散强烈依赖PCB的铜箔面积与散热设计。标称Pd=1.25W通常基于标准测试条件，实际应用中建议：
- 在PCB上增加散热铜箔或热铜通孔（主流为在GND或散热层上扩展）
- 通过布局把器件靠近散热路径放置，避免热聚集
- 对连续大电流工作场景进行热仿真或实测，确保结温Tj不超限
六、设计与使用注意事项
- 驱动电压：虽然在1.8V即可达到标称RDS(on)，但若需更低功耗可提高Vgs至4.5V以进一步降低导通损耗（需参考完整数据手册）。
- 开关损耗：Ciss=650pF表明开关时需考虑栅极充放电能量，驱动器或栅极电阻应综合考虑开关速度与电磁干扰。
- 保护措施：在感性负载或有反向电压场景下建议并联TVS、肖特基二极管或RC缓冲以防止过压和过热。
- ESD与焊接：SOT-23需遵循常规静电防护与回流焊工艺规范，避免器件在高温下长时间超出封装极限。
七、采购与替代建议
在选型时建议参考SL2312完整数据手册以确认绝对最大额定值、动态特性与包材信息。若需寻找替代器件，可关注同等耐压（~20V）、低RDS(on)且封装为SOT-23的中小功率N沟道MOSFET，并对比导通电阻、栅荷（Qg/Ciss）、热性能与生产商可靠性。购买时优先选择有质保与正规渠道的供应商，并做好首件测试与批次一致性检验。
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