What are the key electrical ratings?

It features a 40V VCEO, 60V VCBO, 6V VEBO, and a continuous collector current of 200mA.

Is this device suitable for automotive use?

Yes, the SMMBT3904TT1G variant is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications.

What is the package type?

The device uses the SOT-416 (also known as SC-75) surface-mount package, which is ideal for low-power, high-density PCB designs.

What is the supply risk for this component?

The component is currently active and widely available from major distributors, with low supply risk.

What should sourcing teams check before buying MMBT3904TT1G?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of MMBT3904TT1G?

Use the MMBT3904TT1G datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about MMBT3904TT1G pinout to locate pins, power rails, and interface signals before layout.

MMBT3904TT1G Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The MMBT3904TT1G is a versatile NPN BJT in a compact SOT-416 package, suitable for general-purpose amplification and switching in space-constrained designs.

Best for

General purpose amplification
Low-power switching
Automotive electronics

Avoid if

High-power applications exceeding 200mW dissipation
High-voltage circuits exceeding 40V

Check before use

Thermal management in high-density layouts
Soldering requirements for SOT-416 package

Key specifications

Polarity: NPN
VCEO: 40 V
IC: 200 mA
fT: 300 MHz

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.21.0075

Application

General PurposeAutomotive

Datasheet

MMBT3904TT1-D.PDF

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT3904TT1G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a general-purpose NPN silicon transistor designed for low-power amplifier applications, housed in a small-footprint SOT-416/SC-75 package.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the MMBT3904TT1G?+×

What are the key electrical ratings?+×

Is this device suitable for automotive use?+×

What is the package type?+×

What is the supply risk for this component?+×

What should sourcing teams check before buying MMBT3904TT1G?+×

What is the pinout of MMBT3904TT1G?+×