BC846BM,315

Overview

The BC846BM,315 is a silicon NPN general-purpose transistor manufactured by Nexperia. It utilizes an SOT-323 (SC-70) surface-mount package and operates with a maximum collector-emitter voltage of 65 V and a continuous collector current of 100 mA. The device features a power dissipation rating of 200 mW and a transition frequency of 100 MHz. Its DC current gain ranges from 200 to 450 at a collector current of 2 mA and a collector-emitter voltage of 5 V. The component supports an operating temperature range from -65 °C to +150 °C.

Feature Summary

• General-purpose switching and amplification capabilities in a compact SMD plastic package
• High DC current gain selection for efficient signal control
• Low collector-emitter saturation voltage for improved efficiency

Applications

• General-purpose switching circuits
• Amplifier stages
• Driver applications

Procurement Notes

Verify the specific suffix '315' against official Nexperia documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the part number matches the exact gain binning requirements for your design. Cross-reference the manufacturer's datasheet for the BC846B series to confirm all electrical limits and thermal characteristics before finalizing procurement orders.

Selection Notes

Select this component when a small-form-factor NPN transistor is required for low-power switching or amplification tasks. The BC846BM variant offers a higher minimum current gain compared to standard variants, making it suitable for applications demanding consistent performance across varying temperatures. Consider the SOT-323 package constraints regarding thermal dissipation and board space availability during the design phase.

Part Context

This component belongs to the Nexperia BC846 family of general-purpose NPN transistors. The family includes various gain bins and complementary PNP types, such as the BC856 series. These devices are widely used in consumer electronics and industrial equipment due to their reliability and small footprint. The BC846BM specifically denotes a particular gain classification within this broader product line.

Replacement Considerations

Direct substitutes include other BC846B variants with compatible gain ranges and the same SOT-323 package. Verify that any replacement maintains the 65 V VCEO rating and 100 mA IC limit. Check if the alternative part meets the same thermal and electrical specifications required by the original circuit design.