Overview
The BSS138AKAR is a popular N-channel MOSFET designed for low voltage applications. Manufactured by various semiconductor companies, this component is widely used in consumer electronics, industrial controls, and power management systems. Its compact SOT-23 package makes it suitable for space-constrained designs. As an enhancement mode MOSFET, it requires a positive gate-to-source voltage to conduct current. The BSS138AKAR is particularly valued for its fast switching characteristics and low power consumption, making it ideal for battery-powered devices and high-frequency applications.
Structure and Working Principle
The BSS138AKAR consists of three terminals: gate (G), drain (D), and source (S). The device operates by creating a conductive channel between drain and source when sufficient voltage is applied to the gate terminal. The threshold voltage (VGS(th)) is typically around 1.5V, allowing for compatibility with low-voltage logic circuits. Internally, the MOSFET features a vertical structure with a metal-oxide-semiconductor gate that provides excellent input impedance. The low on-resistance (RDS(on)) of about 3.5Ω ensures minimal power loss during conduction, while the fast switching times (in nanoseconds) enable efficient high-frequency operation.
Key Features
Key specifications include a maximum drain-source voltage of 50V and continuous drain current of 220mA. The device offers a power dissipation of about 360mW and operates effectively in temperature ranges from -55°C to +150°C. The MOSFET's ESD protection (typically 2kV HBM) provides robustness against static discharge, though proper handling procedures should still be followed. Its small signal characteristics make it particularly suitable for analog switching applications and level shifting in mixed-voltage systems.
Application Areas
Primary applications include load switching in portable electronics, signal routing in communication devices, and power management in IoT products. The BSS138AKAR is commonly found in smartphones, tablets, and wearable devices where space and power efficiency are critical. In industrial settings, it's used for interface circuits, relay drivers, and small motor controls. The component also serves well in battery management systems, particularly for low-current switching and protection circuits.
Maintenance and Precautions
When handling BSS138AKAR MOSFETs, use proper ESD protection measures including grounded workstations and wrist straps. Avoid applying voltages beyond the absolute maximum ratings to prevent device failure. For soldering, follow recommended temperature profiles (typically 260°C for 10 seconds maximum). Storage should be in dry, anti-static packaging with controlled humidity. In circuit design, ensure proper gate drive circuitry to achieve full enhancement and prevent partial conduction.
B2B Procurement Guide
When sourcing BSS138AKAR MOSFETs, verify the manufacturer's authenticity and request certificates of compliance. Consider minimum order quantities (MOQs) which typically range from 1,000 to 10,000 units for competitive pricing. Check for alternative part numbers from different manufacturers that may offer equivalent specifications. For reliability-critical applications, request full datasheets and consider purchasing from authorized distributors rather than spot market sources. Lead times generally range from 4-12 weeks depending on market conditions.
Related Manufacturers
- 主营：回收电子元器件、回收IC芯片、回收电子料、回收呆滞料、芯片回收、回收电子配件、回收半导体芯片
- 主营：电子废料回收、线路板回收、IC芯片回收、PCB板回收、报废主板回收、废旧电源板回收、电路板废渣回收、电子脚料回收、钽电容回收、单片机回收、电子元器件回收、库存 IC 回收、拆机芯片回收、电容电阻回收、二三极管回收、废旧 PCB 板回收、废线路板回收、镀金线路板回收、电路板边角料回收、FPC 软板回收、柔性线路板回收、废锡回收、镀银废料回收、工厂整厂废料回收
- 主营：i7-3517ue、bt136-600e、dsep60-06a、回收芯片、回收线路板、hi3518ev300、蓝牙音箱、接口集成、内存芯片、处理芯片、电子物料、集成电路、手机主板、电子设备、ina199a2dckr、蓝牙芯片、电子废料、智能手机、通用放大器、光敏传感器、h5tq4g63efr-rdc、音频放大器、ncp45524imntwg-h、abovmc96f8208sdbn
- 主营：集成电路IC、二三极管IC、模块IGBT、回收单片机MCU、回收通信IC芯片、回收手机IC芯片、回收电子料、回收电子元器件、回收三极管、回收国产单片机、呆滞料回收、回收电子库存、收购电子料IC、收购渠道电子料
- 主营：自治区、回族自治、库存清单、回收ic芯片、藏族自治、藏族羌族、壮族苗族、ltm8053iy#pbf、ltm4622ev#pbf、苗族土家族、彝族自治县、满族自治县、哈尼族彝族、苗族自治州、瑶族自治县、电子库存料、白族自治州、湘西土家族、ltc2245iuh#trpbf、900-83310-0001-000、4000-68713-8080001、朝鲜族自治县、回族土族自治、布依族自治县、壮族瑶族自治
- 主营：钢结构厂房回收、旧电梯回收、手脚架回收、金属废料回收、工业机器人回收、变压器回收、电缆电线回收、机械车库回
- 主营：IC芯片回收、收购电子物料
- 主营：回收IC芯片、回收集成电路、回收电解电容、回收电子元器件、回收电子元器件IC芯片、回收MOS管、回收二三极管、回收IGBT模块、回收钽电容、回收场效应管、回收连接器、回收声表滤波器、回收电子呆滞料、回收电子库存、回收电子零件、回收闲置电子物料、回收光耦、回收电容 电感
- 主营：网络设备、电子设备、电脑配件、工厂生产废料回收、电路板回收、库存物料回收、再生资源回收、服务器
- 主营：废铜回收、废铝回收、废铁回收、废不锈钢回收、回收废电线电缆、废模具回收、镀金镀银回收、废锡渣回收、废白铜回收、FPC回收、印刷ctp版回收、废ps版回收、铜镀金回收、废线路板回收、led灯珠回收、废电路板回收、废电缆线回收、pcb板回收、废电线回收、废镀金回收、电子废料回收、ic芯片回收、贵金属回收、稀有金属回收、废金属回收
- 主营：注册公司、代理记账、记账退税、IC回收、税务代办、公司代办、公司注销、营业执照办理
- 主营：整场拆除回收、二手设备回收、化工厂拆除回收、立体车库回收、ABB机器人回收、电线电缆回收、反应釜回收、注塑机回收、加工中心回收、数控车床回收、变压器回收、锅炉回收、中央空调回收、制冷设备回收、废旧金属回收、机械车库回收、净化车间拆除回收、废铜回收、冷水机组回收、冷库板拆除回收、废旧变压器回收、二手机床回收、黄铜回收、机密文件销毁
- 主营：除雪铲、除雪滚、撒布机、镀金IC芯片回收、护栏清洗机、洒水车、垃圾车、扫路车、洗扫车、除雪车、铲雪车、扫雪车、吸污车、吸粪车、清洗车、防撞车、消防车、排水车、救援车、冷藏车、随车吊、破冰车、吸尘车
- 主营：训练卡、电子料、内存条、回收晶振、回收显卡、回收模块、回收连接器、回收二三极管、回收内存芯片、芯片电子元器件回收、电子芯片回收、ic芯片回收、ic芯片、电脑配件、手机芯片、传感器卡槽、服务器笔记本、内存颗粒服务、呆滞电子物料、工控设备配件、手机配件主板、电子芯片
- 主营：线回收、公司报废设备回收、公司报废电子料回收、公司报废电池回收、公司报废铝基板回收、公司报废线路板回收、公司报废镀金镀银物料回收、充电器回收、公司库存充电宝
- 主营：多晶硅回收、电池片回收、原生多晶硅回收、硅片回收、光伏板回收、废硅片回收、二手太阳能板回收、回收太阳能发电板、回收电池片、回收多晶硅料、单晶硅片回收、单晶硅回收、光伏发电板回收、太阳能组件回收、废旧光伏板回收、破碎电池片回收、回收废太阳能电池片、芯片回收、电子元器件回收、镀金回收、镀金线路板回收、回收ic芯片、电子料回收、电子主板回收、回收芯片
- 主营：废纸皮回收、废旧金属回收、废不锈钢回收、废塑料回收、废铜回收、废铁回收、废铝回收、工厂废料回收
- 主营：废铜、废锡、废铝、电子料回收、不锈钢、稀有金属、镀金镀银、废铁、线路板、变压器、发电机、电线电缆、废塑胶
- 主营：机械设备、电子元器件、酒店设备、回收废品、音响设备