2N4124

The 2N4124 is an NPN bipolar junction transistor engineered for general-purpose amplification and switching applications. Its specifications deliver stable performance across a broad frequency range, making it suitable for audio, signal processing, and low-power switching circuits. Collector-Emitter Voltage (Vce): 30 V for reliable operation in moderate-voltage switching tasks. Collector Current (Ic): 200 mA, supporting low-power amplification and switching needs. Power Dissipation: 625 mW to enable efficient thermal management in compact circuit layouts. Transition Frequency (ft): 100 MHz for fast switching and high-frequency signal amplification. Gain Bandwidth Product (hFE): Up to 300, providing substantial amplification capability for diverse applications. Compared with earlier small-signal transistor models, the 2N4124 offers improved frequency response and power handling while maintaining a balance of voltage and current ratings aligned with industry expectations. Its semiconductor construction contributes to low noise characteristics and predictable performance in sensitive audio and communication devices. The device is specified to preserve stable operation under varying thermal conditions, supporting reliable long-term use in compact electronic designs.