WMSIC Electronic Components

LRC L2SK3018WT1G

ModelL2SK3018WT1G
PackageSC-70
BrandLRC
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC L2SK3018WT1G
Type
LRC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
L2SK3018WT1G
Electronic Component
1
Package
SC-70
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.029g
Electronic Component
1
Electronic Component
BM0226545646
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
200mW
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.

L2SK3018WT1G 产品概述

L2SK3018WT1G 是乐山无线电(LRC)推出的一款小功率 N 沟道增强型场效应管(MOSFET),采用 SC-70 超小封装,面向空间受限、低电流开关和信号切换应用。器件工作温度范围宽(-55 ℃ 至 +150 ℃),具有较低输入/输出电容和适度的导通电阻,适合便携设备、接口开关、负载控制等场景。

一、主要参数一览

  • 器件类型:N 沟道增强型 MOSFET(单只)
  • 漏源电压 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 @ Id = 100 µA
  • 最大耗散功率 Pd:200 mW
  • 输入电容 Ciss:13 pF
  • 输出电容 Coss:9 pF
  • 反向传输电容 Crss(Cgd):4 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SC-70
  • 品牌:LRC(乐山无线电)

二、主要特点与性能解读

  • 低电容:Ciss、Coss 和 Crss 均处于较低水平(Ciss = 13 pF,Coss = 9 pF,Crss = 4 pF),有利于高速开关和低充放电能耗,适合用于需要快速响应或低驱动能耗的电路。
  • 逻辑电平门限:Vgs(th) 约为 1.5 V(在 100 µA 条件下测定),在较低的栅极电压下即可进入导通区,但应注意阈值电压仅表示开通起始,导通时的 RDS(on) 仍需更高栅压(规格给出 RDS(on) 在 Vgs = 2.5 V 条件下为 13 Ω)。
  • 小封装、低功耗:SC-70 超小封装适用于空间受限的设计。器件额定耗散功率为 200 mW,需在电路设计时合理控制功耗和热环境。
  • 适合小电流应用:额定连续漏极电流为 100 mA,配合较高的 RDS(on),该器件更适合用于信号/逻辑切换、弱电负载开关、阻抗隔离等,而非大电流功率开关。

三、典型应用场景

  • 便携与手持设备中的低电流开关与接口控制(如传感器电源开关、I/O 保护开关)。
  • 信号切换与模拟开关(利用低 Coss/Crss 获得较好开关特性)。
  • 低功耗系统中的高侧/低侧小电流驱动(配合合适的驱动电压)。
  • 电路保护与隔离(例如作为开关元件进行短路/反接检测路径隔断)。
  • 工业控制或通信接口中的缓冲与隔离(非主力电流路径)。

四、使用建议与注意事项

  • 门极驱动:为了获得规格中的 RDS(on)(13 Ω),推荐在栅极施加 2.5 V 驱动电压;若使用更低的门极电压,导通电阻会进一步升高,影响功耗和压降。
  • 功耗计算示例:在最大额定电流 100 mA 且 RDS(on) = 13 Ω 时,导通损耗约为 P = I^2·R ≈ 0.1^2 × 13 = 0.13 W(130 mW),仍低于器件 Pd = 200 mW,但应预留裕量并考虑环境温度。
  • 热管理:器件 Pd 限制较低,须在设计中保证实际结温低于最大允许值并避免集中发热。若在高环境温度或持续工作条件下使用,应评估散热条件并降低电流或占空比。
  • 封装与引脚:SC-70 三引脚封装,常见引脚排列为 Gate、Drain、Source(具体引脚序号和方向请以厂商封装图/数据手册为准),在布局时注意最短回流路径和良好焊盘接地。
  • ESD 与静电防护:MOSFET 对静电敏感,生产与装配过程中应采取 ESD 防护措施(佩戴接地腕带、使用防静电工作台等)。
  • 储存与焊接:遵循常规元器件储存与回流焊温度规范,避免长时间潮湿或高温环境存放,具体焊接温度曲线请参照厂家推荐。

五、设计与选型建议

  • 若应用要求较低的导通压降或更高的连续电流,应考虑导通电阻更低、Pd 更高的器件;L2SK3018WT1G 更适合低电流与信号级开关场景。
  • 在要求快速开关且驱动能量有限的场合,其低输入/输出电容是一大优势;在需要承受更高电压或电流脉冲时需选择参数更强的器件。
  • 开发时建议基于实际板级布局与工作温度做功耗验证,确保在实际工作条件下器件工作在安全区内。

如需进一步的封装图、引脚定义、电气特性曲线或等效电路图,请参考 LRC 官方数据手册或联系我们获取原厂资料。

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