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MMBT3904 RFG AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904 RFG product

MMBT3904 RFG

Bipolar (BJT)

NPNTransistorSOT-23Small Signal

The MMBT3904 RFG is a standard NPN small-signal transistor in a SOT-23 package, widely used for general-purpose switching and amplification tasks in electronic circuits.

Best for

  • General-purpose signal amplification
  • Low-power switching circuits

Avoid if

  • High-power or high-current applications exceeding 200mA

Check before use

  • Operating temperature range
  • PCB footprint compatibility

Key specifications

VCEO
40 V
IC
200 mA
PD
300 mW

Compliance & Environment

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

Application

General Purpose

Datasheet

33b5d6f7b477ae4018425cd0cfe06dec_Taiwan Semiconductor(台湾半导体)&MMBT3904 RFG.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBT3904 RFG: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, 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 an NPN bipolar junction transistor (BJT) designed for small-signal amplification and switching, packaged in a surface-mount SOT-23 format.