BC639-16ZL1G

Single Bipolar Transistors Overview

The BC639-16ZL1G is an NPN silicon small-signal transistor manufactured by onsemi, designed for general-purpose amplification and switching applications. It features a maximum collector current of 1 A and a collector-emitter voltage rating of 80 V. The device utilizes a TO-92 three-lead through-hole package with a power dissipation capacity of 625 mW at 25°C ambient temperature. It operates within a junction temperature range of -55°C to +150°C and includes a transition frequency (fT) of 200 MHz. The component is RoHS compliant and lead-free.

Single Bipolar Transistors Feature Summary

• High current capability suitable for medium-power switching tasks
• Low saturation voltage for efficient power handling
• Wide operating temperature range for robust performance

Single Bipolar Transistors Applications

• General-purpose amplification circuits
• Switching applications in consumer electronics
• Driver stages for relays and lamps

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'ZL1G' against official onsemi documentation to confirm exact binning or packaging specifications. Confirm availability status as distribution channels may list obsolete or end-of-life variants. Ensure the procurement source provides valid traceability and authenticity guarantees for semiconductor components.

Single Bipolar Transistors Selection Notes

Select this component when an NPN transistor with 80V breakdown and 1A continuous current is required in a compact TO-92 package. Consider thermal management requirements given the 625 mW dissipation limit. Verify that the hFE gain band meets the specific circuit requirements for the intended application load.

Single Bipolar Transistors Part Context

This part belongs to the BC639 series of NPN transistors from onsemi. It shares electrical characteristics with other manufacturers' equivalents like the BC639-16 but may differ in mechanical dimensions or specific gain binning. The 'ZL1G' suffix typically indicates specific tape-and-reel packaging and compliance attributes defined by the manufacturer.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include BC639-16 from other vendors such as NXP or Fairchild, provided pinouts and electrical ratings match. Verify that replacement parts maintain the same TO-92 footprint and thermal resistance characteristics for seamless integration.