The conventional specifications of SMD transistors include: Package: SOT-23 model: S9012, S9013, S9014, S9015, S9018, S8050, S8550, SS8050, SS8050 The above are more conventional models, if you need other models, please contact Pingshang Technology Our patch transistor products are mainly used in: 1. Power Products 2. Lighting equipment 3. Automotive Electronics 4. Medical equipment 5. Intelligent products 6. Network communication equipment 7. Instrumentation The functions of the patch transistor include: 1. Commonly used for voltage amplification and current amplification; 2. Leading the formation of the oscillation circuit 3. Use as an electronic switch 4. Play the role of impedance change 5. Use as a variable resistor In the production of electronic products, the chip transistors of electronic components can be regarded as small common components. It has the following seven categories for commonly used ones.