2N1889 Transistor
High-Performance 2N1889 NPN Silicon Transistor
The 2N1889 transistor is a specialized NPN silicon epitaxial planar device designed primarily for high-speed switching and general-purpose amplification. Engineering teams frequently select this component for its robust performance in industrial and military-grade applications. Specifically, this transistor excels in circuits requiring fast response times and stable thermal characteristics.
Optimized Switching and Amplification
This device features a TO-5 metal can package, which ensures superior heat dissipation during continuous operation. Moreover, the 2N1889 provides excellent gain-bandwidth product values, making it ideal for signal processing tasks. Additionally, its low saturation voltage improves efficiency in power-sensitive designs. Consequently, users can integrate this component into complex logic gates or driver circuits with high confidence.
Reliability and Durability
Furthermore, the hermetically sealed housing protects the internal silicon structure from environmental stressors. Because it utilizes active-voice construction in its physical design, the 2N1889 maintains high integrity under mechanical vibration. You will find that this transistor meets the rigorous demands of legacy system maintenance and specialized modern builds alike.
Verified Data Sheet (Technical Specifications)
| Characteristic | Specification |
| Type | NPN Silicon |
| Package | TO-5 Metal Can |
| Collector-Emitter Voltage ($V_{CEO}$) | 40V |
| Collector-Base Voltage ($V_{CBO}$) | 60V |
| Emitter-Base Voltage ($V_{EBO}$) | 5.0V |
| Continuous Collector Current ($I_C$) | 1.0A |
| Power Dissipation ($P_D$) | 0.8W (at 25°C Ambient) |
| DC Current Gain ($h_{FE}$) | 40 – 120 |
| Operating Temperature | -65°C to +200°C |
