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BLUE ROCKET MPSA94
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET MPSA94
- Type
- BLUE ROCKET
- Minimum package
- 3000 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- MPSA94
- Electronic Component
- 1
- Package
- TO-92-3
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.2g
- Electronic Component
- 1
- Electronic Component
- BM0231133046
- Transistor Type
- PNP
- Frequency(f T)
- 50MHz
- Power Dissipation(Pd)
- 625mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 300mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MPSA94 产品概述
一、产品简介
MPSA94（BLUE ROCKET，TO-92-3）是一款高压 PNP 小信号晶体管，面向需要高耐压与中等电流能力的电子设计场景。该器件未分类（描述中标注“未分类”），以其高集电极-发射极击穿电压和适中的电流增益，在高压开关、保护电路与高压放大模块中具有良好适配性。出厂数量为单只（1个PNP）。
二、主要电气参数
- 晶体管类型：PNP
- 集电极电流 Ic：300 mA（最大）
- 集电极-发射极击穿电压 Vceo：400 V
- 耗散功率 Pd：625 mW（TO-92封装）
- 直流电流增益 hFE：80（在 Ic=10 mA、VCE=10 V 条件下）
- 特征频率 fT：50 MHz
- 集电极截止电流 Icbo：100 nA
- 集电极-发射极饱和电压 VCE(sat)：约200 mV（标注条件 10 mA、1.0 mA）
- 发射-基极击穿电压 Vebo：5 V
三、特性与性能解读
MPSA94 的最大亮点是高达 400 V 的 Vceo，使其可在数百伏工况下工作，适合高压测控与开关场合。hFE≈80 在 10 mA 工作点提供良好的驱动放大能力；fT=50 MHz 表明该器件在中高频段仍保持合适增益，适配较快的开关或放大需求。需要注意 Vebo 仅 5 V，基极与发射极间耐压较低，电路设计中应严格限制基极反向电压以防击穿。
四、典型应用场景
- 高压开关与高侧驱动（高压小电流开关）
- 高压信号级的放大器与缓冲器
- 过压/反接保护电路中的控制元件
- 开关电源中作为高压小信号控制晶体管（非主功率开关）
五、封装与热管理
TO-92-3 小塑封提供方便的手工焊接与通用 PCB 布局，但耗散功率仅 625 mW，实际可允许的集电极电流受热限制显著：在连续工作时应限制 Ic 远低于 300 mA，或采用间歇脉冲驱动并保证散热与环境温度合适。
六、选型与使用建议
- 基极限流：推荐使用合适的基极电阻，避免基极承受超过 Vebo 的反向电压。
- 电流与功耗匹配：若需接近 100 mA 以上电流，务必评估结温及封装散热，必要时改用更大功率封装或并联（并联需注意共享问题）。
- 测试要点：测量 Icbo（漏电）与 hFE（在 10 mA 条件）以确认批次一致性，检查 VCE(sat) 在目标电流下的表现。
七、注意事项
避免基-发反向电压超过 5 V；高压测试时注意缓慢升压并限制泄漏电流，防止热失控。TO-92 封装对机械应力与热循环敏感，建议在焊接与组装时采取合适工艺以保证可靠性。
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