How to Calculate hfe of a Transistor
Introduction & Importance
Calculating the hfe (DC current gain) of a transistor is crucial for designing and analyzing amplifier circuits…
How to Use This Calculator
- Enter the collector current (Ic) in amperes.
- Enter the emitter current (Ie) in amperes.
- Click ‘Calculate hfe’.
Formula & Methodology
The formula for hfe is:
hfe = Ic / Ie
Real-World Examples
Data & Statistics
| Transistor | hfe |
|---|---|
| 2N3904 | 100-300 |
| 2N2222A | 100-600 |
Expert Tips
- Always use a known good transistor for critical circuits.
- Consider using a transistor with a higher hfe for better amplification.
Interactive FAQ
What is the typical range of hfe for a transistor?
The typical range of hfe for a general-purpose NPN transistor is 100 to 600.
For more information, see the Wikipedia article on transistor current gain.