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The BCW60D is an NPN epitaxial silicon general-purpose transistor manufactured by onsemi (formerly Fairchild Semiconductor). It is housed in a SOT-23 surface-mount package. Key electrical ratings include a collector-base voltage of 32 V, a collector-emitter voltage of 32 V, and a maximum collector current of 100 mA. The device features a DC current gain ranging from 180 to 460 at IC=50mA and VCE=1V. Additional characteristics include a collector-emitter saturation voltage of 0.55 V at 50 mA, a transition frequency of 125 MHz, and a power dissipation capacity of 350 mW.
Verify the manufacturer origin, as the component was originally produced by Fairchild Semiconductor before its acquisition by onsemi. Confirm the specific marking code 'AD' corresponds to the BCW60D variant within the A/B/C/D series. Ensure the datasheet revision matches the required specifications for your design. Check for RoHS compliance status if environmental regulations apply to your project.
Select this component when a low-voltage, low-current NPN transistor is required for general-purpose applications. The BCW60D offers higher current gain compared to the BCW60A and BCW60B variants. Consider the SOT-23 package constraints for thermal management and board space. Evaluate the 32 V voltage rating against your circuit's maximum operating conditions to ensure adequate safety margins.
The BCW60D belongs to the BCW60 family of NPN general-purpose transistors, which also includes the BCW60A, BCW60B, and BCW60C models. These devices share the same physical package and basic electrical limits but differ in their DC current gain classifications. This family is designed for cost-effective solutions in consumer electronics and industrial control systems requiring small-signal handling.
Public confirmed substitute part numbers: BCW60C, BCW60B, BCW60A.