WMSIC Electronic Components

JSMSEMI 2SK3018

Model2SK3018
PackageSOT-23
BrandJSMSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JSMSEMI 2SK3018
Type
JSMSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JSMSEMI
Electronic Component
2SK3018
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0227651795
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
350mW
Gate Voltage(Vgs)
±20V
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

2SK3018 产品概述

一、概述

2SK3018 是杰盛微(JSMSEMI)提供的一款小功率N沟增强型MOSFET,面向便携和小信号开关应用。器件额定30V耐压,工作温度范围宽(-55℃ ~ +150℃),以小封装和低输入/输出电容见长,适合对体积、开关速度和漏电要求有一定平衡的场合。

二、主要电气参数

  • 极性:N沟道(单个)
  • 漏-源额定电压 Vdss:30 V
  • 连续漏极电流 Id:100 mA
  • 导通电阻 RDS(on):13 Ω @ Vgs = 2.5 V
  • 阈值电压 Vgs(th):1.5 V(典型)
  • 耗散功率 Pd:350 mW
  • 输入电容 Ciss:13 pF
  • 输出电容 Coss:6 pF
  • 工作温度:-55℃ ~ +150℃
  • 封装/品牌:JSMSEMI(杰盛微),标注封装为 SOT-323(部分资料或供应商处可能也见 SOT-23 标识,请以实际采购为准)

三、特性与典型应用场景

  • 低电容、低栈载:Ciss 和 Coss 值小,门极电荷低,适合快速小信号切换和高频控制回路。
  • 低功率开关:RDS(on) 较大(13 Ω),适合几十毫安级的负载开关、信号复用、小型电源断路、阵列选择等,而不适合大电流功率通断。
  • 电压等级适中:30 V 耐压允许在中低电压系统(如多节电池管理、外部I/O电平隔离)中使用。
  • 工业与消费电子:传感器供电开关、键盘开关驱动、通信模块的低侧开关和模拟/数字信号路由等。

四、使用建议与注意事项

  • 门极驱动:Vgs(th) 约 1.5 V,建议门极驱动电压使用 2.5 V 或 3.3 V 时可获得可用导通,但由于 RDS(on) 较大,需评估导通损耗。
  • 功耗估算:举例在 100 mA 时的导通损耗 P = I^2 · RDS(on) ≈ 0.1^2 × 13 ≈ 0.13 W(130 mW),低于器件 Pd(350 mW),但需考虑环境温度与散热条件的降额。
  • 热管理:SOT-323 为小封装,PCB铜箔和过孔散热对实际功耗承受能力影响明显;在高环境温或连续开关应用中应留足铜面积并考虑降额。
  • 布局与ESD:小封装焊盘精细,建议采用厂家推荐PCB封装尺寸;门极和源之间可并联小阻值或上拉/下拉以防止浮空引发误导通;搬运与装配注意静电防护。
  • 极限注意:实际使用时注意最大栅-源电压限制(请参照器件完整数据手册),避免超过封装和工艺允许的Vgs峰值。

五、典型电路与封装信息

  • 典型用法包括:低侧开关(将MOSFET接于负载地侧)、信号开关/隔离(串联在信号线上)以及简单的反向电流阻断电路。
  • 封装尺寸小,适合空间受限的板级设计。采购时确认所需封装(SOT-323 或 SOT-23 标注差异)以免贴片不匹配。

总结:2SK3018 以小体积、低电容和中等耐压为特点,适合低电流、快速开关及信号路由场景。在设计时需注意其较高的导通电阻和封装热能力,做好功耗估算与PCB散热布局,可在便携与通信类终端电路中发挥良好作用。若需更详细的极限参数和典型波形,请参阅厂商详细数据手册或联系JSMSEMI技术支持。

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