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BLUE ROCKET 2SA970
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET 2SA970
- Type
- BLUE ROCKET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- 2SA970
- Electronic Component
- 1
- Package
- TO-92-3
- Electronic Component
- 1 PNP
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.316g
- Electronic Component
- 1
- Electronic Component
- BM0225825219
- Transistor Type
- PNP
- Frequency(f T)
- 100MHz
- Power Dissipation(Pd)
- 300mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 100mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2SA970 产品概述
一、概述
2SA970 是一颗高压 PNP 双极型晶体管，针对小信号放大与低功耗开关场合优化设计。该器件在较低电流条件下具有较高的直流电流增益（hFE ≈ 200@2mA,6V）和较低的集电极漏电流（Icbo 约 100nA），同时耐压性能优良（Vceo 120V），适用于需要较高耐压和中等频率响应的电路。
二、主要参数
- 晶体管类型：PNP（单只）
- 直流电流增益 hFE：200（测定条件 2mA, 6V）
- 集电极截止电流 Icbo：100 nA
- 集电极电流 Ic（最大）：100 mA
- 集电极-射极击穿电压 Vceo：120 V
- 射基极击穿电压 Vebo：5 V
- 集电极电流特征频率 fT：100 MHz
- 集电极电流饱和电压 VCE(sat)：约 300 mV（典型条件 10 mA / 1 mA）
- 功率耗散 Pd（总耗散）：300 mW
- 封装：TO-92-3
- 品牌：BLUE ROCKET
三、特性与优势
- 高耐压：Vceo 达 120V，使其在高电压小信号或开关场合具有更好的可靠性和安全裕度。
- 高 hFE 在低电流区表现良好，便于在小电流放大器或偏置电路中获得放大作用而不需过大偏流。
- 低漏电流（Icbo ≈ 100nA）有利于降低静态误差与失调，适合偏置敏感的模拟电路。
- 中等至高频响应（fT ≈ 100MHz），可用于一般音频放大及部分射频前端应用。
- TO-92 小型封装便于通用电路板布局与手工焊接。
四、典型应用场景
- 小信号放大器（前置放大、差分对级）
- 低功耗开关和驱动电路
- 高压偏置或电平位移场合
- 通用电子教学与原型开发
五、使用注意与设计建议
- 功率限制：器件最大耗散为 300 mW，工作时应保证结温和封装散热条件下的功率不超过额定值；在高 VCE 条件下应限制 Ic 以免超出 Pd。
- 反向基极电压（Vebo）应小于 5 V，避免基-射结反向击穿。
- 虽然 Ic 最大标称可达 100 mA，但在实际设计中应综合考虑 Pd 与热性能，常规使用应远低于最大值以提高可靠性。
- 在对称或推进式放大器中，可与合适的 NPN 器件配对使用，但配对时应关注 hFE 与频率特性匹配。
- 需注意封装尺寸与引脚排列（TO-92-3），确认与电路板设计一致。
六、总结
2SA970（BLUE ROCKET，TO-92）是一款适合在中低电流、需较高耐压及良好增益表现场合使用的 PNP 小信号晶体管。凭借 120V 耐压、低漏电流与 100MHz 的特征频率，它在通用放大、驱动与高压偏置电路中具有良好适配性。设计时应重点考虑功率耗散与基极反向电压限制，以确保长期可靠工作。
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