BC238CBU

Single Bipolar Transistors Overview

The BC238CBU is an NPN silicon epitaxial planar transistor manufactured by onsemi, designed for general-purpose amplification and switching applications. It features a collector-emitter voltage rating of 45 V and a continuous collector current capacity of 100 mA. The device utilizes a TO-92 plastic package with three pins. Key electrical characteristics include a minimum DC current gain (hFE) of 200 in the C subcode variant, ensuring high amplification efficiency. The maximum total device dissipation is 500 mW at 25°C ambient temperature, with an operating junction temperature range extending from -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• High DC current gain suitable for sensitive signal amplification
• Epitaxial planar silicon construction for reliability
• General-purpose design for amplifier and switch circuits

Single Bipolar Transistors Applications

• General purpose amplification stages
• Low noise audio pre-amplifiers
• Switching applications in control circuits

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer datasheet for the BC238CBU to confirm pinout configurations and absolute maximum ratings. Ensure compatibility with thermal management requirements given the TO-92 package constraints. Cross-reference the hFE binning specifications to match circuit gain requirements accurately.

Single Bipolar Transistors Selection Notes

Select this component when a high-gain NPN transistor is required for low-current amplification tasks. The BC238CBU offers superior current gain compared to standard variants, making it ideal for applications demanding precise signal processing. Consider the TO-92 package size for through-hole mounting constraints.

Single Bipolar Transistors Part Context

This component belongs to the BC238 series of NPN transistors, widely used in consumer electronics and industrial controls. The 'C' suffix denotes a specific binning category for higher current gain, distinguishing it from lower gain variants like the A or B codes within the same family line.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include BC238B, BC238A, and BC237 depending on voltage headroom requirements. Verify that alternative parts meet the 45V VCEO specification and similar hFE ranges for equivalent performance.