MJD340T4 The STMicroelectronics MJD340T4 is an NPN power transistor designed for switching applications. It features a 300V collector-emitter voltage and a 0.5A continuous collector current.
Mfr Part #:

MJD340T4

Available from 5 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics MJD340T4 is an NPN power transistor designed for switching applications. It features a 300V collector-emitter voltage and a 0.5A continuous collector current.
✓ Total Stock: 24,912 pcs
$ Price Range: $0.99

MJD340T4 Available from 5 distributors

✓ Authorised
✓ Non-Authorised

MJD340T4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Halogen Free
Lead Style
Mounting Type
Operating Temperature
Power
Supplier Device Package
Transistor Type
Voltage

MJD340T4 Description

Short technical summary and product information.

The MJD340T4 is a high voltage NPN power transistor from STMicroelectronics, suitable for applications such as line operated audio output amplifiers and switchmode power supply drivers. It is designed for surface mount applications in a DPAK package.

 

Key electrical specifications include a maximum collector-emitter voltage of 300V and a continuous collector current of 0.5A. The device can handle peak currents up to 0.75A. It offers a DC current gain (hFE) of 30 minimum at 50mA and 10V.

 

Thermal performance is supported by a total power dissipation of 15W at 25°C case temperature, with a junction-to-case thermal resistance of 8.33°C/W. The operating and storage junction temperature range is from -65°C to +150°C.

 

This transistor is Pb-free and Halogen free, meeting RoHS compliance. It is supplied in a DPAK (TO-252-3) surface mount package, facilitating automated assembly processes.

MJD340T4 Quick Information

Product Type: NPN Power Transistor
Canonical Name: MJD340T4 NPN Power Transistor
Subcategory: Single

MJD340T4 Compliance

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

MJD340T4 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MJD340T4 Features

  • High voltage NPN power transistor.
  • 300V collector-emitter voltage rating.
  • 0.5A continuous collector current.
  • DPAK surface mount package.
  • Pb-free and Halogen free.

MJD340T4 Applications

  • Suitable for line operated audio output amplifiers.
  • Used in switchmode power supply drivers.
  • Ideal for high-voltage switching applications.
  • Applicable in automotive and industrial control circuits.
  • Suitable for surface mount power transistor designs.

MJD340T4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the MJD340T4?

The maximum collector-emitter voltage (VCEO) for the MJD340T4 is 300 Vdc.

What is the continuous collector current rating of the MJD340T4?

The MJD340T4 has a continuous collector current (IC) rating of 0.5 Adc.

What is the operating temperature range for the MJD340T4?

The operating and storage junction temperature range for the MJD340T4 is -65 to +150 °C.

What type of transistor is the MJD340T4?

The MJD340T4 is an NPN transistor.

What package is the MJD340T4 supplied in?

The MJD340T4 is supplied in a DPAK (TO-252-3, DPak (2 Leads + Tab), SC-63) package.

Is the MJD340T4 RoHS compliant?

Yes, the MJD340T4 is RoHS3 Compliant.

Is the MJD340T4 Pb-free?

Yes, the MJD340T4 is Pb-Free.

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