BCW66G_D87Z

Overview

The BCW66G_D87Z is an NPN silicon planar small signal transistor manufactured by onsemi. It features a collector-emitter breakdown voltage of 45V and a continuous collector current rating of 0.8A. The device utilizes the BCW66H surface-mount package, typically SOT-23, designed for low saturation voltage applications. It is fully lead-free and RoHS compliant, with halogen and antimony-free construction.

Feature Summary

• High continuous collector current capability for small signal switching
• Low saturation voltage to minimize power loss in active regions
• Totally lead-free and fully RoHS compliant construction
• Halogen and antimony free green device formulation

Applications

• General purpose small signal amplification
• Low voltage switching circuits
• Driver stages for logic interfaces

Procurement Notes

Verify the specific suffix D87Z against official onsemi documentation to confirm reel size and tape-and-reel specifications. Ensure the component matches the BCW66H mechanical outline. Confirm RoHS compliance status directly from the manufacturer's latest datasheet revision before integration into production.

Selection Notes

Select this component when a compact NPN transistor with 45V blocking capability and 0.8A current handling is required. The low saturation voltage makes it suitable for battery-powered or efficiency-sensitive designs. Verify that the SOT-23 footprint aligns with the target PCB layout constraints.

Part Context

This part belongs to the BCW66 series of small signal transistors. It serves as the NPN counterpart to the BCW68 PNP type. The series is engineered for general-purpose use in consumer electronics and industrial control systems where space-saving surface-mount packaging is essential.

Replacement Considerations

The complementary PNP equivalent is the BCW68H. Cross-reference with other manufacturers offering SOT-23 NPN transistors rated at 45V and 0.8A if supply chain adjustments are necessary.