MMBT3904T

Single Bipolar Transistors Overview

The MMBT3904TT1G is a single NPN bipolar junction transistor manufactured by onsemi, housed in the SOT-416 (SC-75) surface-mount package. It features a maximum collector current of 200 mA and a collector-emitter voltage rating of 40 V. The device supports a collector-base voltage of 60 V and an emitter-base voltage of 6 V. Key electrical characteristics include a minimum DC current gain (hFE) of 40 and a transition frequency (fT) up to 300 MHz. Power dissipation is rated at 225 mW, with a saturation voltage of 300 mV. It operates within a temperature range of -55°C to +150°C and complies with AEC-Q101 automotive standards.

Single Bipolar Transistors Feature Summary

• Designed for general-purpose amplifier applications in low-power surface mount environments
• Complies with AEC-Q101 qualification standards and PPAP capability for automotive reliability
• Optimized for high-density PCB layouts through compact SC-75 packaging

Single Bipolar Transistors Applications

• Industrial control systems
• Power management circuits
• Automotive electronics

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'TT1G' to confirm the SOT-416 package and reel quantity. Confirm AEC-Q101 compliance requirements against project specifications. Ensure thermal management aligns with the 225 mW power dissipation limit. Validate that the 40 V collector-emitter voltage meets circuit operating conditions. Check for RoHS directive adherence if required by regional regulations.

Single Bipolar Transistors Selection Notes

Select this component when a small-form-factor NPN transistor is required for space-constrained designs. The SOT-416 package offers a smaller footprint compared to standard SOT-23 options. Choose this part for applications demanding AEC-Q101 automotive qualification. Consider the 300 MHz transition frequency for moderate-speed switching or amplification tasks. Evaluate the 200 mA current capacity against load requirements before implementation.

Single Bipolar Transistors Part Context

This device belongs to the MMBT3904T series of general-purpose NPN silicon transistors. It serves as a surface-mount alternative to through-hole equivalents like the 2N3904. The series is engineered for cost-effective mass production while maintaining robust performance metrics. It complements PNP counterparts such as the MMBT3906 for complementary push-pull configurations.

Single Bipolar Transistors Replacement Considerations

Cross-reference with other manufacturers offering SOT-416 packaged NPN transistors with identical 40 V/200 mA ratings. Verify pinout compatibility and thermal resistance values before substitution. Ensure equivalent AEC-Q101 certification if automotive usage is mandated.