WMSIC Electronic Components

BLUE ROCKET MPSA92

ModelMPSA92
PackageTO-92-3
BrandBLUE ROCKET
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BLUE ROCKET MPSA92
Type
BLUE ROCKET
Minimum package
3000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BLUE ROCKET
Electronic Component
MPSA92
Electronic Component
1
Package
TO-92-3
Electronic Component
1 PNP
Electronic Component
Transistor(BJT)
Electronic Component
2.285g
Electronic Component
1
Electronic Component
BM0231133040
Transistor Type
PNP
Frequency(f T)
50MHz
Power Dissipation(Pd)
1.5W
Electronic Component
Electronic Component
Electronic Component
3000
Collector Current(Ic)
500mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MPSA92(BLUE ROCKET)产品概述

MPSA92 是一款高压 PNP 晶体管,BLUE ROCKET 品牌,封装为常见的 TO-92-3。该器件以其高耐压特性与适中的电流能力,适用于需要高电压开关或放大的低频到中频场合。下面从主要特性、关键参数、电气与热特性、典型应用和使用注意等方面给出清晰的产品概述,便于工程师在设计中评估与选型。

一、特性概述

  • 器件类型:PNP 双极晶体管(BJT)
  • 品牌与型号:BLUE ROCKET — MPSA92
  • 封装形式:TO-92-3(直插,小功率封装)
  • 适用场景:高电压开关、级间电平转换、高压放大、保护电路与工业控制等
  • 包装数量:1 个 PNP 晶体管(单只产品)

MPSA92 以高达 300V 的集电极-发射极击穿电压为突出特点,在需要承受较高直流或脉冲电压的电路中有优势。其特征频率约 50MHz,可胜任低频到中频的放大与开关任务。

二、主要参数(典型/标称)

  • 晶体管类型:PNP
  • 最大集电极电流(Ic):500 mA(脉冲条件下注意热耗散限制)
  • 集-射极击穿电压(Vceo):300 V
  • 最大耗散功率(Pd):1.5 W(TO-92 封装,需按环境温度降额)
  • 直流电流增益(hFE):约 40(在 Ic = 10 mA,Vce = 10 V 条件下)
  • 特征频率(fT):约 50 MHz
  • 集电极截止电流(Icbo):约 250 nA(典型,低电流泄漏)
  • 集电极饱和电压(VCE(sat)):约 500 mV(条件示例:Ic = 20 mA,Ib = 2 mA)
  • 发射极—基极击穿电压(Vebo):约 5 V

三、电气与热性能说明

  • 高压能力:Vceo = 300 V 使该器件适合高压回路。但高压并不等于高功耗能力。功率耗散 Pd = 1.5 W(TO-92)限制了在高电压下可通过的连续电流。
  • 功耗实例计算:若电路中 VCE = 100 V,则理论上连续允许的 Ic ≈ Pd / VCE = 1.5 W / 100 V = 15 mA。因此在高压条件下通常仅适合小电流或脉冲工作。
  • 电流与饱和:VCE(sat)≈0.5 V 在 Ic=20 mA 条件下表明饱和压较低,适合低压差开关。当需要更大电流(接近 500 mA)时,需关注耗散与结温上升,通常不建议在无良好散热的 TO-92 封装中长期工作于高电流。
  • 频率响应:fT ≈ 50 MHz,适用于音频及中频放大器,若用于高频(几十 MHz 以上)需验证增益与带宽余量。
  • 泄漏与温度:Icbo≈250 nA 为典型的集电极电流泄漏值,但随温度上升会显著增加,设计时需考虑温漂与漏电对静态点的影响。
  • 基极反向承受:Vebo ≈ 5 V,任何情况下禁止使基极-发射极反向电压超过该值,以免永久损坏结区。

四、典型应用

  • 高压开关与电平转换:在需要将高电压侧做 PNP 高边开关或作为电平位移器时使用。
  • 保护电路:高压检测、欠压/过压保护、放电路径控制。
  • 放大器:小信号放大与驱动级(音频、低频功率放大器的某些级)。
  • 工业控制与测试装置:耐压需求较高的测量或控制电路。
  • 与 NPN 器件(如 MPSA42)配对,可构成高压互补放大或推挽级。

五、使用与注意事项

  • 散热管理:TO-92 封装的 Pd 仅 1.5 W,实际电路应通过 PCB 铜箔扩展或限流设计来控制结温,必要时使用并联或选择更大封装器件。
  • 工作点设定:在高电压场合优先限制集电极电流,避免 VCE 高而 Ic 较大导致超出 Pd。
  • 基极驱动:为达到稳定饱和并控制 VCE(sat),应按所需 Ic 设计合适的基极电流(例如 Ic/Ib ≈ 10 时可近似参考 hFE,但饱和时需更大 Ib)。
  • 反向基极电压保护:严格避免 Veb 反向超过 5 V,可在需要时并联二极管以限制反向电压。
  • 引脚与封装:TO-92 的引脚排列各厂略有差异,设计时应参考 BLUE ROCKET 的器件数据手册确认引脚图与热阻等参数。

六、封装与选型建议

  • 封装:TO-92-3,适合穿孔板与小体积 PCB 设计。
  • 选型建议:若电路中工作电压接近几个百伏但电流较小,MPSA92 是合适选择;若需要连续较大电流或更好的散热,推荐选择更大功率封装或功率晶体管。
  • 资料获取:在实际设计前请参考 BLUE ROCKET 官方数据手册,校核引脚定义、最大额定值随温度的降额曲线以及典型电路示例。

总结:MPSA92(BLUE ROCKET,TO-92)是一款高耐压的 PNP 小信号晶体管,适合高压低/中等电流应用。使用时重点关注功耗与热管理、基极反向电压限制及漏电随温度的变化,以确保可靠稳定工作。

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