What are the key specifications of the MMBT3904T?

It features a 40V collector-emitter voltage, 200mA collector current, 300MHz transition frequency, and a power dissipation of 150mW.

What should engineers review before using the MMBT3904T?

Engineers should note that this component is currently listed as obsolete and ensure the SOT-523 footprint is compatible with their PCB design.

What are the sourcing risks for the MMBT3904T?

The primary risk is the obsolete lifecycle status, which may lead to limited long-term availability and the need for future redesigns.

What is the pinout of MMBT3904T?

Use the MMBT3904T datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about MMBT3904T pinout to locate pins, power rails, and interface signals before layout.

MMBT3904T Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The MMBT3904T is a general-purpose NPN BJT in an SOT-523 package, suitable for low-power switching and amplification.

Best for

General-purpose switching
Low-power signal amplification

Avoid if

High-power applications exceeding 150mW
New designs requiring long-term supply chain stability

Check before use

Verify current stock levels
Confirm footprint compatibility

Key specifications

VCEO: 40 V
IC: 200 mA
fT: 300 MHz
Package: SOT-523

Compliance & Environment

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

Application

General PurposeConsumer Electronics

Datasheet

DSAP00206.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT3904T: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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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

The MMBT3904T is a small-signal NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications.

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 MMBT3904T?+×

What are the key specifications of the MMBT3904T?+×

What should engineers review before using the MMBT3904T?+×

What are the sourcing risks for the MMBT3904T?+×

What is the pinout of MMBT3904T?+×