MJD31T4G The On Semiconductor MJD31T4G is an NPN bipolar junction transistor designed for general purpose amplifier and switching applications. It features a 40V collector-emitter voltage and 3A continuous collector current.
Mfr Part #:

MJD31T4G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor MJD31T4G is an NPN bipolar junction transistor designed for general purpose amplifier and switching applications. It features a 40V collector-emitter voltage and 3A continuous collector current.
Total Stock: 6,642 pcs
$ Price Range: $0.99

MJD31T4G Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
4,575 pcs
4575 pcs On Request 1 On Request On Request N/A On Request On Request
Non-Authorised Inventory information
2,067 pcs
2067 pcs On Request 1 On Request On Request On Request On Request On Request

MJD31T4G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Base Current
Collector Current - Continuous
Collector Current - Peak
Collector-Base Voltage
Collector-Emitter Voltage
Current
Current Collector Cutoff (Maximum @ VCE = 40 Vdc, IB = 0)
Current Collector Cutoff (Maximum @ VCE = 60 Vdc, IB = 0)
Current Collector Cutoff (Maximum @ VCE = Rated VCEO, VEB = 0)
DC Current Gain (hFE) (Min) @ Ic, Vce
Emitter Cutoff Current
Emitter-Base Voltage
Frequency
Frequency - Transition
Gain DC Hfe (Minimum @ IC = 1 Adc, VCE = 4 Vdc)
Lead Temperature for Soldering Purposes
Mounting Type
Operating Temperature
Operating and Storage Junction Temperature Range
Power
Power Dissipation Total (Maximum @ TA=25 °C)
Power Dissipation Total (Maximum @ Tc = 25 °C)
Supplier Device Package
Thermal Resistance - Junction to Case
Thermal Resistance Junction-to-Ambient
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

MJD31T4G Description

Short technical summary and product information.

The MJD31T4G from On Semiconductor is an NPN bipolar junction transistor (BJT) suitable for general purpose amplifier and low-speed switching applications. It is designed for surface mount applications and comes in a DPAK package.

 

Key electrical specifications include a maximum collector-emitter voltage of 40V and a continuous collector current of 3A. The device offers a maximum power dissipation of 1.56W at 25°C ambient temperature. It has a DC current gain (hFE) of at least 10 at 3A and 4V, and a Vce saturation of 1.2V maximum at 375mA collector current and 3A collector current.

 

The operating temperature range for the MJD31T4G is -65°C to +150°C (TJ). Thermal characteristics include a junction-to-case thermal resistance of 8.3°C/W and a junction-to-ambient thermal resistance of 80°C/W.

 

This transistor is packaged in a TO-252-3, DPak (2 Leads + Tab), SC-63 surface mount package, making it suitable for automated assembly processes. It is RoHS3 compliant.

MJD31T4G Quick Information

Product Type: Bipolar Junction Transistor
Canonical Name: MJD31T4G NPN Bipolar Junction Transistor
Subcategory: NPN

MJD31T4G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MJD31T4G Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MJD31T4G Features

  • NPN bipolar junction transistor.
  • 40V collector-emitter voltage rating.
  • 3A continuous collector current.
  • 1.56W maximum power dissipation.
  • DPAK surface mount package.

MJD31T4G Applications

  • Used in switching power supplies
  • Suitable for amplification circuits
  • Ideal for compact electronic modules
  • Applicable in automotive and industrial electronics

MJD31T4G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the MJD31T4G?

The maximum collector-emitter voltage is 40 Vdc.

What is the continuous collector current rating of the MJD31T4G?

The continuous collector current is 3 Adc.

What is the maximum power dissipation of the MJD31T4G at 25°C ambient?

The maximum power dissipation at 25°C ambient is 1.56 W.

What is the operating temperature range for the MJD31T4G?

The operating and storage junction temperature range is -65°C to +150°C.

What package type is the MJD31T4G supplied in?

The MJD31T4G is supplied in a TO-252-3, DPak (2 Leads + Tab), SC-63 package.

How is the MJD31T4G mounted?

The MJD31T4G is a surface mount device.

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