ProjectsPricingInsights

MMDT3946 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMDT3946 product

MMDT3946

Transistors - Bipolar (BJT) - Arrays

BJTDual TransistorSOT-363

The MMDT3946 is a dual NPN+PNP transistor array in a SOT-363 package, suitable for general-purpose low-power switching and amplification.

Best for

  • Low-power signal amplification
  • General-purpose switching

Avoid if

  • High-power or high-voltage applications exceeding 40V

Check before use

  • Thermal dissipation limits in dense PCB layouts

Key specifications

Configuration
NPN + PNP
VCEO
40 V
IC
200 mA

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General

Datasheet

67cd3dec4815fc97d13e746e96ac9a07_1912111437_Jiangsu-Changjing-Electronics-Technology-Co---Ltd--MMDT3946_C402312.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMDT3946: 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

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a complementary dual transistor pair (NPN and PNP) housed in a single SOT-363 surface-mount package.