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ElecSuper BSS138L
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super BSS138L
- Type
- ELECSUPER
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- BSS138L
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 N
- Type
- N
- Electronic Component
- MOSFET
- Electronic Component
- 0.021g
- Electronic Component
- 1
- Electronic Component
- BM0258761752
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 417mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 60V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSS138L 产品概述
一、产品简介
BSS138L 是由 ElecSuper（静芯微）提供的一款 N 沟道场效应管，采用 SOT-23 封装，面向小功率开关和信号级应用。器件耐压 60V，连续漏极电流可达 400mA，适合便携电子、接口电平搬移与低电流功率路径控制。
二、主要参数
- 类型：N 沟道 MOSFET（SOT-23）
- 漏源电压 Vdss：60V
- 连续漏极电流 Id：400mA
- 导通电阻 RDS(on)：1.5Ω @ VGS=10V
- 耗散功率 Pd：417mW（注意器件温升与 PCB 散热）
- 阈值电压 VGS(th)：1.0V @ ID=250µA
- 总栅极电荷 Qg：650pC @ VGS=4.5V
- 输入电容 Ciss：25pF，输出电容 Coss：9.7pF，反向传输电容 Crss：2.2pF
- 工作温度：-55°C ~ +150°C
三、特性与工程意义
- 中高耐压（60V）和中等电流能力（400mA），适合高压小电流场合。
- 在 10V 驱动下 RDS(on) 为 1.5Ω，导通损耗可控；在低电压驱动时 RDS(on) 会显著上升，应根据实际 VGS 评估功耗。
- 较大的栅极电荷（Qg=650pC）表明驱动栅极需要一定能量，若用于频繁开关或高频应用，应选用驱动器或增加驱动能力以降低开关损耗与延迟。
- 小尺寸封装及适中电容值（Ciss/Coss/Crss）有利于降低寄生影响，但热阻与功耗限制需在 PCB 设计中考虑。
四、典型应用场景
- 接口电平搬移与逻辑开关
- 电池供电设备的低功耗断路/反向保护（限于中低电流）
- 低频小功率开关、模拟开关或开机/备用电源管理
- 作为保护元件与信号路由控制元件
五、使用建议与注意事项
- 对于持续或间歇大电流应用，需保证良好 PCB 散热（加大铜箔、短路径到地平面），避免超过 Pd 约 417mW。
- 若工作在低 VGS（如 3.3V 或更低），务必评估 RDS(on) 增加后的损耗；建议在可能时选用足够栅压或更低 RDS(on) 的替代器件。
- 由于 Qg 较大，频繁开关时建议加入合适驱动（或串联栅阻）以控制振铃并减小 EMI。
- 门极避免悬空，使用上拉/下拉电阻防止误触发。
BSS138L 在中高压、低功率场景表现稳健，适合对体积与成本敏感但需要可靠开关控制的设计。
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