The C1890 (2SC1890) is an NPN silicon transistor designed for various electronic applications, particularly in low-frequency high-voltage amplification. Here?s a summary based on the provided search results:
Key Specifications
- Type: NPN Silicon Transistor
- Package: TO-92
- Maximum Collector-Emitter Voltage (Vce): 90V
- Maximum Collector Current (Ic): 50mA (0.05A)
- Power Dissipation (Pc): 0.3W
- Transition Frequency (ft): 100 MHz
- Forward Current Transfer Ratio (hFE): Minimum of 160, with some variants offering gains up to 1200.
- Operating Temperature: Up to 150?C
Applications
The C1890 is suitable for:
- Low-frequency amplification in audio and RF applications.
- Complementary pairing with PNP transistors like the 2SA893.
 
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