MJD31CT4-A footprint, schematic symbol and 3D model by STMicroelectronics

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PCB Footprints

MJD31CT4-A - STMicroelectronics PCB footprint - Other - Other - MJD31CT4-A-1

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Datasheet Download Datasheet
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Part Number MJD31CT4-A
Manufacturer STMicroelectronics
Pin Count 3
Part Category Transistor BJT NPN
Package Category Other
Footprint Name Other - MJD31CT4-A-1
Released Date Sep 22, 2020
Last Modified Date Jan 8, 2026 2:31 PM UTC
Pinout / Pin List Click Here (Member Only)

MJD31CT4-A Details

Manufacturer Part Number:
MJD31CT4-A
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Active
Part Package Code:
TO-252
Pin Count:
3
Country Of Origin:
Mainland China
ECCN Code:
EAR99
Factory Lead Time:
14 Weeks
Manufacturer:
STMicroelectronics
YTEOL:
9
JESD-609 Code:
e3
Moisture Sensitivity Level:
1
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Terminal Finish:
Matte Tin (Sn) - annealed

MJD31CT4-A Frequently Asked Questions (FAQs)

A good PCB layout for optimal thermal performance would be to have a large copper area connected to the tab of the device, and to use thermal vias to dissipate heat to the other layers of the PCB.
To ensure proper biasing, make sure to follow the recommended voltage and current ratings in the datasheet, and use a stable voltage regulator to power the device. Also, ensure that the input and output capacitors are properly sized and placed close to the device.
To minimize EMI and EMC issues, use a shielded enclosure, keep the device away from high-frequency sources, and use a common-mode choke or ferrite bead on the input and output lines. Also, ensure that the PCB layout is designed to minimize radiation and coupling.
To protect the device, use a voltage regulator with overvoltage protection, and consider adding a current limiter or fuse on the input line. Also, ensure that the device is properly heatsinked to prevent overheating.
The MJD31CT4-A is a high-reliability device with a typical lifespan of 10-15 years, depending on operating conditions. To ensure maximum reliability, follow the recommended operating conditions, and avoid exceeding the maximum ratings.

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MJD31CT4-A Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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