BC489

Single Bipolar Transistors Overview

The BC489 is an NPN silicon small-signal transistor designed for high-current applications. It features a collector-emitter voltage of 80 Vdc and supports continuous collector currents up to 0.5 Adc. The device offers a DC current gain ranging from 40 to 400 depending on the specific grade (BC489, A, or B). It operates within a junction temperature range of -55°C to +150°C and utilizes a TO-92 package.

Single Bipolar Transistors Feature Summary

• NPN silicon construction optimized for high-current switching and amplification tasks
• High collector current capability supporting loads up to 0.5 Amperes
• Wide DC current gain spectrum available across multiple performance grades
• Robust thermal management with extended operating temperature limits

Single Bipolar Transistors Applications

• General-purpose switching circuits requiring moderate current handling
• Amplifier stages in consumer electronics and industrial control systems
• Driver circuits for low-power loads and signal processing modules

Single Bipolar Transistors Procurement Notes

Verify the specific suffix code (e.g., G, RL1) to confirm packaging type and lead-free status. Ensure the selected variant matches the required hFE binning for your circuit design. Cross-reference the ordering information table to confirm shipping quantities and availability options before finalizing procurement specifications.

Single Bipolar Transistors Selection Notes

Select the appropriate grade based on the required minimum DC current gain for your application. Consider the thermal resistance values when designing heat dissipation strategies for enclosed environments. Verify that the chosen package style aligns with your board layout constraints and assembly equipment capabilities.

Single Bipolar Transistors Part Context

This component belongs to the BC489 family of NPN transistors manufactured by onsemi. It serves as a general-purpose discrete semiconductor device suitable for replacing older generation bipolar transistors in legacy designs. The product line includes variations with different gain characteristics and packaging formats to suit diverse manufacturing needs.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include the BC489A and BC489B variants, which offer distinct DC current gain ranges. Ensure any replacement maintains the same TO-92 pinout configuration and meets the original voltage and current ratings.