2N3819 is an N- Channel - Depletion layer JFET that is widely used in RF-based audio equipment for amplification and other purposes. It is a VHF / UHF Amplifier.
The C1815 is a 50V 150mA general purpose NPN transistor with a maximum gain value of 700. This makes the transistor suitable for amplifier applications.
C1815 Transistor Pinout Configuration
Pin Number
The UnitedSic introduced UF3C/UF3SC series SiC FETs, which is designed based on a unique cascade configuration to provide higher switching speeds, higher efficiency, and lower losses.
The 2SC1345 is a low signal NPN amplifier transistor with a collector to emitter voltage of 50V and collector current of 100mA. The Transistor has a high gain value from 250 to 1200 making it suitable for amplifier designs.
The 2SC1061 is a NPN Power Transistor in To-220 package. It has a DC current gain from 35 to 320 and transition frequency of 5MHz. It is commonly used in high power amplifier application along with its complementary PNP part 2SA671.
The BC546 is a high frequency NPN Transistor commonly used in low noise amplifier designs. It has a maximum gain value of 800 and a high collector to emitter voltage of 65V making it also suitable for high voltage audio amplifier applications.