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KUU BSS123
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU BSS123
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- BSS123
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 N
- Type
- N
- Electronic Component
- MOSFET
- Electronic Component
- 0.034g
- Electronic Component
- 1
- Electronic Component
- BM0264389270
- Operating Temperature
- 55℃~+150℃
- Power Dissipation(Pd)
- 250mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 100V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSS123 产品概述
一、概述
BSS123（品牌：KUU）是一款单只 N 沟道功率 MOSFET，封装为 SOT-23，面向小信号开关与高压低电流场合。器件关键参数：漏源耐压 Vdss = 100V，连续漏极电流 Id = 150mA，典型导通电阻 RDS(on) = 6Ω（VGS=10V），耗散功率 Pd = 250mW，门阈电压 VGS(th) ≈ 2.8V，输入电容 Ciss ≈ 40pF，工作温度范围 -55℃ ~ +150℃。
二、主要特性
- 高耐压设计：100V 漏源耐压，适合较高压差的小电流开关。
- 小封装：SOT-23，有利于密集布板和自动贴装。
- 低输入电容（40pF）：开关速度快，驱动功耗低，适合高频切换场合。
- 低功率耗散（Pd=250mW）：适用于低功率、间歇或低占空比工作。
三、典型应用
- 高压小电流开关、继电器/继电器驱动的辅助开关。
- 便携仪器中的电源切换与反向保护。
- 信号级别电平移位、模拟/数字开关。
- 高阻抗传感前端的保护与隔离。
四、使用建议与注意事项
- 门极驱动：由于 VGS(th)≈2.8V，器件在 3.3V 门极驱动下导通有限，若需较低的 RDS(on) 建议使用 10V 门极驱动；实际导通情况请通过静态、动态测试确认。
- 功率与热管理：在满载 150mA 且 RDS(on)=6Ω 时，导通损耗约 I^2·R ≈ 0.15^2×6 ≈ 135mW，低于 Pd=250mW，但须考虑封装热阻与环境温度，建议留有裕度并做温度仿真与实测。
- 开关保护：驱动感性负载时为避免尖峰电压，须并联续流二极管或 RC 吸收网络。
- ESD 与静电敏感：作为 MOSFET，应采取静电防护措施（正确上电顺序、门极限流电阻、包装防静电）。
- 电气极限：详细的 VGS(max)、脉冲规格、SOA 等请参考完整规格书，避免超过器件极限。
五、封装与引脚（典型）
- 封装：SOT-23（表面贴装）。
- 常见引脚排列：Pin1 = Gate (G)、Pin2 = Drain (D)、Pin3 = Source (S)。（具体引脚排列请以样片或厂方数据手册为准）
六、选型提示与替代
- 若电流或损耗需求提升，优先选择 RDS(on) 更低且 Pd 更大的封装（如 SOT-223、SOP）。
- 若需在 3.3V/1.8V 逻辑电平下高效导通，应选专门的 logic-level MOSFET（低 VGS(th)、低 RDS(on) 标注）。
总结：BSS123（KUU，SOT-23）以其 100V 耐压、低输入电容和小体积特点，适合高压低电流、快速开关的场景。设计时应关注门极驱动电压、热耗散与开关瞬态防护，必要时参照完整数据手册进行验证。
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