ProjectsPricingInsights

MMBT3904,215 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMBT3904,215 product

MMBT3904,215

Bipolar (BJT)

NPNBJTSOT23AEC-Q101Switching

The MMBT3904 is a widely used, AEC-Q101 qualified NPN switching transistor in a SOT23 package, ideal for general-purpose switching and amplification.

Best for

  • General signal switching
  • Low-power amplification
  • Automotive control circuits

Avoid if

  • High-power switching applications exceeding 200mA
  • High-voltage circuits above 40V

Check before use

  • Thermal management in compact layouts
  • Saturation voltage requirements for specific switching speeds

Key specifications

VCEO
40 V
IC
200 mA
hFE
100 - 300
fT
300 MHz

Compliance & Environment

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

Application

General SwitchingAutomotive

CAD Models

Download ECAD models for MMBT3904,215: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

The MMBT3904 is a general-purpose NPN bipolar junction transistor (BJT) manufactured by Nexperia, commonly used for signal switching and amplification.