2N3704 is a general purpose NPN transistor and it comes in TO-92 plastic packaging. This transistor is used for low to medium power electronic circuits for switching amplification of signal. It has the collector emitter voltage of 30V and continuous collector current of 500mA.
Transistor Overview
This low power NPN transistor comes under the general purpose transistor, because it is widely used in low voltage and low power electronics circuits like relay and microcontroller circuits. This transistor is also used in driver stage circuits also. The TO-92 package is very helpful for PCB mounting, compact and suitable for mini circuits.
2N3704 Pinout
Pinout Configuration
| Pin Number | Pin Name |
|---|---|
| 1 | Emitter |
| 2 | Collector |
| 3 | Base |
The 3-pin transistor has three legs. Hold the transistor with the flat side facing you and the pins pointing downward. Count the legs from left to right as 1, 2, and 3. The first leg is the emitter, the second is the collector, and the third is the base.
Specifications
- Collector-Emitter Voltage (VCEO) is 30V
- Collector-Base Voltage (VCBO) is 50V
- Emitter-Base Voltage (VEBO) is 5V
- Collector Current (IC) is 500mA
- Operating Temperature Range is-55°C to +150°C
- Total Power Dissipation (PD) is 625mW
- DC Current Gain (hFE): 100 – 300
Equivalent Transistors
If the 2N3704 transistor is not available, you can use the following equivalent transistors or alternative transistors, the list of transistor is given below
Conclusion
The 2N3704 is a popular general purpose NPN transistor. You can use this in relay circuits and mini signal amplification circuits also. The transistor has a maximum collector current of 500mA and collector emitter voltage of 30V. Always check the transistors before replacing in any circuits because they have low to medium voltage ratings.
