BC637_D26Z

Single Bipolar Transistors Overview

The BC637_D26Z is an NPN silicon small signal transistor manufactured by onsemi. It features a collector-emitter voltage (Vceo) of 80 V and a continuous collector current (Ic) of 1 A at 25°C. The device has a maximum power dissipation of 0.8 W at 25°C ambient temperature. It utilizes a TO-92 plastic package with three leads. The minimum DC current gain (hFE) is specified as 40.

Single Bipolar Transistors Feature Summary

• NPN polarity configuration for general-purpose switching and amplification
• High collector current capability of 1 A
• Robust 80 V collector-emitter breakdown voltage
• Standard through-hole TO-92 packaging

Single Bipolar Transistors Applications

• General purpose amplifier circuits
• Switching applications in low to medium power systems
• Audio pre-amplifier stages
• Logic interface buffers

Single Bipolar Transistors Procurement Notes

Verify the manufacturer marking and date code against official onsemi documentation. Confirm the part number suffix matches the specific tape-and-reel or bulk variant required. Ensure the component meets RoHS compliance standards if mandated by the design specification. Cross-reference the datasheet revision to confirm electrical characteristics align with the intended application requirements.

Single Bipolar Transistors Selection Notes

Select this component when an NPN transistor with 80 V rating and 1 A current capacity is required. Compare hFE ranges against circuit biasing needs. Consider thermal management for power dissipation limits near 0.8 W. Evaluate package compatibility with existing PCB footprints. Verify operating temperature range suitability for the environment.

Single Bipolar Transistors Part Context

This part belongs to the BC637 family of NPN transistors from onsemi. It is designed for general-purpose use in consumer electronics and industrial equipment. The device complements PNP counterparts like the BC647 in push-pull configurations. It serves as a standard solution for discrete semiconductor applications requiring reliable switching performance.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.