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MDD S8050
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD S8050
- Type
- MDD
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- S8050
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 NPN
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0229465236
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- NPN
- Frequency(f T)
- 150MHz
- Power Dissipation(Pd)
- 300mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
S8050 (MDD) NPN 三极管 — 产品概述
一、产品简介
S8050 为一款通用 NPN 小信号/小功率三极管，MDD 品牌，SOT-23 封装，适用于开关驱动与小信号放大。器件具有中等电流能力与较高特征频率，适合要求体积小、响应快的消费电子与工业控制场景。
二、主要电气参数
- 晶体管类型：NPN
- 集电极电流 Ic：最大 500 mA（视散热与工作点限制）
- 集-射极击穿电压 Vceo：25 V
- 功率耗散 Pd：300 mW（SOT-23，须按环境温度降额）
- 特征频率 fT：150 MHz（适合高速开关与射频前级放大）
- 集电极截止电流 Icbo：典型 100 nA（常温）
- 集-射极饱和电压 VCE(sat)：600 mV（测试条件：Ic=500 mA, Ib=50 mA）
- 发-基极击穿电压 Vebo：5 V
- 工作温度范围：-55 ℃ ~ +150 ℃
三、封装与热性能
SOT-23 小封装利于高密度 PCB 布局，但散热能力有限。额定耗散 300 mW 仅在良好散热条件下适用。实际应用中应根据环境温度和封装热阻进行降额设计：在高电流工作点（接近 500 mA）下，应缩短导通时间或采用外部散热/热设计，避免结温上升导致失效。
四、典型应用场景
- 小功率开关：驱动继电器、MOSFET 闸极、继电器线圈（需注意驱动电流与占空比）
- 驱动 LED 或小电流电源模块（建议并联或使用功率更大的器件处理连续大电流）
- 小信号放大器、前置放大与高频开关电路（得益于 150 MHz 的 fT）
- 电平移位、缓冲与逻辑接口驱动
五、设计与使用建议
- 在做开关驱动时，需保证足够基极驱动电流以进入饱和；规格中 VCE(sat) 给出的是在 Ic=500 mA、Ib=50 mA 条件下的数值，实际应用可按所需饱和程度计算基极电阻。
- 由于封装与 Pd 限制，长时间大电流工作不推荐；对于间歇性脉冲驱动，可允许短时大电流。
- 注意 Vceo=25 V 与 Vebo=5 V 的极限，避免反向基极或集电极过压。
- 高频应用中关注寄生电容与布局，短引线和良好接地有助于发挥 fT 优势。
- 在高温环境下按厂家温度特性表进行降额，控制结温以延长寿命。
六、注意事项与可靠性
- 制造商数据手册为最终依据，不同批次或代工厂微小参数会有差异。
- 存储与焊接时注意温度曲线与静电防护（ESD），SOT-23 封装对机械应力敏感。
- 评估系统级可靠性时，应考虑重复热循环、湿热与浪涌电流对器件的影响，并在关键应用中做实际功率与热试验。
总结：S8050（MDD，SOT-23）为一款在体积与速度之间取得平衡的 NPN 器件，适合多种小功率开关与高频小信号应用，但在连续大电流场景下需谨慎进行热设计与降额处理。
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