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TWGMC 2SK3018W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC 2SK3018W
- Type
- TWGMC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- 2SK3018W
- Electronic Component
- 1
- Package
- SOT-323
- Electronic Component
- 1 N
- Electronic Component
- MOSFET
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0228587149
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 30V
- Capacitor(Ciss)
- 13pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2SK3018W 产品概述
一、概述
2SK3018W 是由 TWGMC（台湾迪嘉）提供的一款小信号 N 沟道场效应管（MOSFET），封装为 SOT-323。器件适用于低功耗、微弱电流的开关与信号传输场合，工作温度范围宽（-55℃ 至 +150℃），适合消费电子、便携设备与工业控制中对体积与温升敏感的应用。
二、主要特点
- 极性：N 沟道，单颗器件。
- 漏源电压（Vdss）：30V，适合常见低压系统与电池供电环境。
- 阈值电压（Vgs(th)）：约 1.5V，达到逻辑电平触发范围。
- 导通电阻（RDS(on)）：13Ω（测量条件 Vgs=2.5V, Id=1mA），适合小电流通断场合。
- 连续漏极电流（Id）：100mA，耗散功率（Pd）：200mW，限于小功率负载。
- 寄生电容小：Ciss≈13pF，Coss≈9pF，Crss≈4pF，有利于快速开关与低驱动损耗。
- 封装：SOT-323，体积小、适用于密集布局。
三、电气性能与应用意义
- 30V 的耐压能力使其可用于单节或多节锂电池系统的外围控制与信号切换。
- 1.5V 的阈值表明在 1.8V~3.3V 逻辑电平下可被驱动，但给定 RDS(on) 条件下的导通电阻偏大，实际在高电流时损耗会显著增大，因此适合信号级或少于几十毫安的负载。
- 低输入/输出/反向传输电容（Ciss/Coss/Crss）使器件在高速小信号切换时表现良好，同时较小的 Miller 电容（Crss）有助于降低寄生耦合造成的误触发。
四、典型应用场景
- 信号开关、模拟开关与多路复用器输入保护。
- 低电流负载开关与电池管理微功耗路径控制。
- 接口电平移位、拉低/上拉通断器件。
- 便携式设备、传感器前端与低速驱动电路中的开关元件。
五、封装与热管理建议
SOT-323 封装体积小，热阻较高。250mW 级别的耗散在实际 PCB 上需结合铜箔散热：尽量采用较大铜面、短引脚走线、并考虑内层散热通孔。在持续接近额定 Pd 时应留余量避免器件过热。布局时将关键信号线靠近器件引脚布置，地线回流通道要充分。
六、选型与使用注意
- 若负载电流超过几十毫安，建议选用 RDS(on) 更低的器件以减小功耗与发热。
- 驱动电压建议尽量接近或高于 2.5V 以改善导通表现，但仍需注意额定条件下的 RDS(on) 测试是低电流情形，实际应用中需验证温度与电流对导通电阻的影响。
- 在高速切换或容易产生电磁干扰的系统中，适当在栅极加入阻尼电阻与去耦电容以抑制振铃与 EMI。
- 处理和焊接遵循 SOT-323 的工艺规范，避免过热损伤。
总结：2SK3018W 是一款面向小信号、低电流应用的紧凑型 N 沟道 MOSFET，具有低寄生电容与宽温度范围的优点，适合在体积受限且对功率要求不高的场合作为开关或信号传输元件使用。
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