2N2218 Transistor
High-Performance 2N2218 NPN Silicon Transistor
The 2N2218 transistor serves as a premier NPN silicon planar epitaxial device for high-speed switching applications. Engineers widely utilize this component for both amplification and switching in industrial circuits. Specifically, the 2N2218 offers a higher power dissipation capability compared to its smaller counterparts. Moreover, this device maintains excellent stability across a wide range of current frequencies.
Optimized Switching and Power Efficiency
The rugged TO-39 metal can package houses this transistor to ensure superior thermal management. Additionally, the 2N2218 handles a continuous collector current of up to 800mA effectively. Furthermore, its fast switching characteristics reduce power loss in pulse-width modulation (PWM) circuits. Consequently, designers frequently integrate this component into driver stages and signal processing units to enhance overall system efficiency.
Durability for Professional Applications
The hermetically sealed metal construction protects the internal silicon structure from environmental degradation. Specifically, the 2N2218 operates reliably within a broad temperature spectrum from -65°C to +200°C. Additionally, the device features a high transition frequency, which supports high-frequency signal integrity. Furthermore, you can rely on this transistor for maintaining consistent gain levels in demanding telecommunications and aerospace hardware.
Verified Data Sheet (Technical Specifications)
| Characteristic | Specification |
| Transistor Type | NPN Silicon |
| Package Style | TO-39 (Metal Can) |
| Collector-Emitter Voltage ($V_{CEO}$) | 30V |
| Collector-Base Voltage ($V_{CBO}$) | 60V |
| Emitter-Base Voltage ($V_{EBO}$) | 5.0V |
| Continuous Collector Current ($I_C$) | 800mA |
| Total Power Dissipation ($P_D$) | 0.8W (at 25°C Ambient) |
| DC Current Gain ($h_{FE}$) | 40 – 120 (at 150mA) |
| Transition Frequency ($f_T$) | 250 MHz (Minimum) |
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