BC847BM3T5G

Overview

The BC847BM3T5G is an NPN silicon general-purpose bipolar junction transistor manufactured by onsemi. It is designed for linearity and switching applications within a compact SOT-23 surface-mount package. The device features a collector-emitter voltage rating of 45 V, a continuous collector current of 100 mA, and a power dissipation capacity of 300 mW. It offers a DC current gain (hFE) range of 200 to 450 at a collector current of 2 mA. The component operates within a temperature range of -55°C to +150°C and includes high electrostatic discharge protection ratings.

Feature Summary

• NPN silicon construction optimized for low-voltage, low-current amplification and switching tasks
• High current gain performance with a specified hFE range of 200 to 450
• Robust electrostatic discharge protection exceeding 4000V human body model standards
• Compact SOT-23 surface-mount packaging suitable for space-constrained designs

Applications

• General-purpose signal amplification in consumer electronics
• Switching circuits for logic level translation
• Inductive load protection interfaces
• Polarity reversal protection mechanisms

Procurement Notes

Verify the specific suffix T5G against official onsemi documentation to confirm reel quantity and tape specifications. Ensure the ordering part number matches the exact electrical grade required for your design. Cross-reference the manufacturer date code and lot traceability requirements with your supply chain standards before finalizing procurement orders.

Selection Notes

Select this component when a standard NPN transistor with moderate current handling and high gain is required in a small footprint. Compare the 45V breakdown voltage and 100mA current limits against circuit demands. Consider the SOT-23 thermal characteristics for power dissipation constraints. Verify compatibility with existing PCB footprints and assembly processes for surface-mount technology.

Part Context

This component belongs to the BC847 series of general-purpose NPN transistors widely used in electronic circuits. The series provides complementary PNP devices such as the BC857. These transistors are standard discrete semiconductors utilized across various industries for basic signal processing and control functions due to their reliability and cost-effectiveness.

Replacement Considerations

Compatible substitutes include the BC847B from other manufacturers like Nexperia or Diodes Inc., provided they meet the same SOT-23 pinout and electrical specifications. Verify that alternative sources offer equivalent hFE bins and voltage ratings to ensure functional parity in the target application.