C2073 or 2SC2073 is a powerful NPN Power transistor that comes in “TO-220” Packaging. This transistor is used in general purpose switching and medium power required circuits like audio amplifier driver stages and pre amplifier circuits. In this article I’m sharing the details of Pinout, Equivalent and characteristics of C2073 Transistor.
C2073 Transistor Pinout
The pinout configuration of C2073 NPN transistors is given below. You need to hold the transistor front flat side with the pins facing down and the pins counting from left to right.
- Base
- Collector
- Emitter
Characteristics
| Parameter | Value |
| Type | NPN |
| Collector-Emitter Voltage (Vceo) | 150V |
| Collector-Base Voltage (Vcbo) | 150V |
| Emitter-Base Voltage (Vebo) | 5V |
| Collector Current (Ic) | 3A (Peak) |
| Power Dissipation (Pc) | 25W |
| DC Current Gain (hFE) | 40 to 320 (at 1A) |
| Transition Frequency (ft) | 4 MHz |
| Package Type | TO-220 |
Equivalent Transistors
If the C2073 is unavailable or not available from your local market to buy, you can use the equivalent transistor for replacement. You must always check the characteristics and pinout configuration of a given equivalent transistor before replacing them.
- TIP31C
- BD243C
- 2SC1061
- 2SC2690
- MJE3055T
Applications
- Audio amplifier output stages
- Switching regulators
- DC-DC converters
- Power management systems
- Relay drivers and motor drivers
Conclusion
The C2073 is a powerful NPN transistor used in audio and switching circuits. This transistor can able to handle the collector-emitter voltage of 150V and maximum collector current of up to 3A. The TO-220 Packaging of this transistor is proving a good heat transfer in continuous working of the transistor.
