C1890 T092 Silicon NPN Transistor

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.