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TWGMC MMBT2907A PNP Transistor MMBT2907A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC MMBT2907A
- Type
- TWGMC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- MMBT2907A
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Electronic Component
- BM0228587078
- Operating Temperature
- 55℃~+150℃
- Transistor Type
- PNP
- Frequency(f T)
- 200MHz
- Power Dissipation(Pd)
- 250mW
- 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.
MMBT2907A 产品概述
一、概述
MMBT2907A 是一款 PN P 型结晶体管，TWGMC（台湾迪嘉）生产，采用 SOT-23 表面封装，面向通用放大与开关场合。其设计兼顾了中等电流能力和高阻隔电压，适合空间受限的便携与板载应用。
二、主要参数亮点
- 直流电流增益 hFE：75（测于 IC=0.1mA、VCE=10V），低电流区有良好放大特性；
- 集电极电流 IC：最高 600mA，满足短时或脉冲较大的驱动需求；
- 集电极-射极击穿电压 VCEo：60V，抗电压能力强；
- 特征频率 fT：200MHz，适用于快速开关与高频小信号放大；
- 漏电与击穿：ICBO 10nA（渗漏小），Vebo 5V（基-射反向耐压需注意）；
- 功耗与饱和：耗散功率 Pd=250mW，应留意散热限制；VCE(sat)=1.6V（典型开关导通电压级别）。
三、电气性能解读与设计要点
- hFE 在微小电流时表现良好，适合做前级放大或小信号处理；随电流增大增益会下降，设计时需按工作点选配偏置。
- 虽然支持 600mA 峰值电流，但在 SOT-23 和 Pd=250mW 限制下，持续大电流会受限于结温和功耗，应用 PCB 散热和限制占空比。
- VCEo=60V 给予足够的余量用于中低压系统，但要避免基-射反向电压超过 5V，保护基极电路。
- fT=200MHz 使其在开关频率较高的信号路径仍能保持较低失真与较好响应。
四、典型应用场景
- 小信号放大器、预放大级与信号耦合；
- 低压驱动与开关（需注意热限与占空比）；
- 高频或脉冲电路中的快速开关元件；
- 通用电子产品替换与板上通用晶体管需求。
五、封装与可靠性
SOT-23 小尺寸封装便于自动化贴装与高密度板级布局，适合便携设备与消费类电子。工作温度范围宽（-55℃ ~ +150℃），适应工业级环境；长期可靠性需关注结温管理与焊接工艺以避免热损伤。
六、选型与使用建议
- 若电路长期承受较大电流，应选用更大功耗器件或改善散热铜箔；
- 基极反向保护可加二极管或限流电阻以防 Vebo 超限；
- 在开关应用中评估占空比与温升，必要时并联或改用封装更大器件；
- 设计时参考器件在典型测试条件下的 hFE 与 VCE(sat) 值，预留裕量保证稳定工作。
总结：MMBT2907A（TWGMC，SOT-23）是一款性能平衡的 PNP 小信号/开关晶体管，适合空间受限且要求中等电流和较高击穿电压的应用场合。合理的热管理和工作点选择可发挥其快速响应与可靠性的优势。
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