BC 850B B5003

Single Bipolar Transistors Overview

The BC 850B B5003 is a silicon NPN bipolar junction transistor (BJT) manufactured by Infineon Technologies. It is housed in a surface-mount SOT-23-3 package and configured as a single transistor. The device supports a maximum DC collector current of 100 mA and operates with a collector-emitter voltage (VCEO) of 45 V, a collector-base voltage (VCBO) of 50 V, and an emitter-base voltage (VEBO) of 6 V. Power dissipation is rated at 330 mW, with a transition frequency (fT) of 250 MHz. The component functions within a temperature range of -65°C to +150°C and features a DC current gain (hFE) between 200 and 450.

Single Bipolar Transistors Feature Summary

• Utilizes silicon technology for robust bipolar junction transistor performance.
• Designed for surface-mount installation using the compact SOT-23-3 package.
• Provides high DC current gain suitable for amplification applications.

Single Bipolar Transistors Applications

• General-purpose signal amplification
• Switching circuits
• Audio processing stages

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix B5003 against official Infineon documentation to confirm reel specifications and tape-and-reel dimensions. Ensure the component status is active, as some variants may be subject to obsolescence notices. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Single Bipolar Transistors Selection Notes

Select this component when a small-form-factor NPN transistor with moderate voltage ratings and high current gain is required. The SOT-23-3 package suits space-constrained designs. Verify that the 100 mA collector current and 45 V breakdown voltages align with the circuit requirements. Consider the thermal dissipation limits and operating temperature range during board layout.

Single Bipolar Transistors Part Context

This component belongs to the BC850 series of general-purpose NPN transistors. The series is widely used in consumer electronics and industrial equipment for low-power switching and amplification tasks. Infineon produces these devices using standard silicon planar technology, ensuring reliability across various environmental conditions.

Single Bipolar Transistors Replacement Considerations

Consult official replacement guides for direct equivalents. Generic substitutes must match the SOT-23-3 package, NPN polarity, and electrical ratings including VCEO, IC, and hFE ranges.

Single Bipolar Transistors FAQ

What is the maximum power dissipation of the BC 850B B5003?

The maximum power dissipation is 330 mW.

Does the BC 850B support operation up to 150°C?

Yes, the maximum operating temperature is specified as +150°C.

What is the typical transition frequency for this transistor?

The transition frequency (fT) is 250 MHz.