BC847CW/DG/B2115

Overview

The BC847CW/DG/B2115 is an NPN general-purpose small-signal transistor manufactured by NXP Semiconductors. It is housed in a SOT23 plastic surface-mount package designed for low current and low voltage applications. The device features a maximum collector current of 100 mA and a maximum collector-emitter voltage of 45 V. It utilizes silicon technology and offers a minimum DC current gain (hFE) of 110. The component supports a maximum operating temperature of 150 °C and includes a transition frequency of 300 MHz with a maximum saturation voltage of 0.6 V.

Feature Summary

• NPN bipolar junction transistor configured for general-purpose switching and amplification tasks
• Surface-mount construction in a compact SOT23 plastic package for automated assembly
• Silicon-based semiconductor material ensuring stable operation within specified thermal limits

Applications

• General purpose signal switching circuits
• Low-level audio and RF amplification stages
• Driver applications for indicator loads

Procurement Notes

Verify the specific suffix configuration against the official NXP datasheet to confirm electrical binning and packaging details. Ensure the ordering code matches the required hFE range and tape-and-reel specifications. Cross-reference the manufacturer part number with authorized distribution channels to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a standard NPN switch or amplifier in space-constrained PCB layouts. The SOT23 package facilitates high-density mounting. Evaluate the 100 mA current limit and 45 V voltage rating against circuit requirements. Consider the thermal characteristics and gain consistency when designing bias networks for analog applications.

Part Context

This device belongs to the BC847 series of NPN transistors, which are widely used in consumer electronics and industrial control systems. The series provides complementary PNP options such as the BC857. These components serve as fundamental building blocks for discrete logic, level shifting, and basic analog signal processing functions in modern electronic assemblies.

Replacement Considerations

Compatible substitutes include the BC847B and BC847C from NXP, provided their specific gain ranges align with design tolerances. Other manufacturers offer pin-compatible equivalents such as the 2SC2412K or generic SOT-23 NPN transistors meeting the 100 mA and 45 V specifications.