**2N3904 NPN Transistor – Reliable & Versatile (10/25/50/100 Pcs)** Discover the power of the **2N3904**, a 40V, 200mA NPN bipolar junction transistor perfect for all your electronics needs. Ideal for **general-purpose switching** and **amplification**, this trusted component is favored by hobbyists, students, and engineers alike. **Key Features:** – **High Current Gain:** Enjoy efficient amplification with a typical hFE of 100-300. – **Fast Switching Speed:** Suits digital circuits and signal processing perfectly. – **Wide Operating Range:** Supports collector-emitter voltage up to 40V. – **Low Saturation Voltage:** Excellent for smooth switching applications. **Specifications:** – **Package Type:** TO-92 for easy integration with breadboards. – **Temperature Range:** -55°C to +150°C for reliable performance.