2385-MMBT3904

Single Bipolar Transistors Overview

The onsemi 2385-MMBT3904 is an NPN silicon bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. It is housed in a surface-mount SOT-23-3 package, offering a compact footprint suitable for space-constrained designs. The device features a maximum collector-emitter voltage (VCEO) of 40 V and a collector-base voltage (VCBO) of 60 V. It supports a continuous DC collector current of 200 mA with a peak collector current capability up to 900 mA. The component operates within a temperature range of -55°C to +150°C and complies with AEC-Q101 automotive standards.

Single Bipolar Transistors Feature Summary

• NPN silicon construction optimized for general-purpose switching and linear amplification tasks
• Automotive-grade reliability certified under AEC-Q101 standards with PPAP capability
• Compact SOT-23-3 surface-mount package facilitating automated assembly and miniaturization

Single Bipolar Transistors Applications

• General-purpose signal amplification circuits
• Low-power electronic switching applications
• Automotive electronics systems requiring AEC-Q101 compliance

Single Bipolar Transistors Procurement Notes

Verify the specific suffix (e.g., T, LT, WT) against the required package type and electrical ratings, as variations exist within the MMBT3904 family. Confirm RoHS compliance status and check for end-of-life notifications, as some standard variants may be discontinued. Ensure the selected part matches the intended thermal and current requirements for the target application environment.

Single Bipolar Transistors Selection Notes

Select this component when a robust, automotive-certified NPN transistor is needed for low-to-medium power applications. Consider the specific suffix variant based on packaging constraints and current handling needs; standard versions support 200mA continuous current, while enhanced variants may offer higher peak currents. Verify that the 40V VCEO rating aligns with the circuit's maximum operating voltage to ensure safe margin.

Single Bipolar Transistors Part Context

This part belongs to the MMBT3904 series of general-purpose NPN transistors manufactured by onsemi. The series includes various package options such as SOT-23, SOT-416, and SC-70, catering to different size and performance requirements. These transistors are widely used in consumer, industrial, and automotive electronics due to their balance of performance, reliability, and small form factor.

Single Bipolar Transistors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official cross-reference lists or manufacturer guidelines for equivalent components.