Overview
The MJD340T4G is a high-voltage power transistor produced by onsemi, designed for various high-power applications. This NPN transistor is part of the MJD340 series and is packaged in a DPAK (TO-252) case, suitable for surface mount applications. It is electrically similar to the popular MJE340 and MJE350 transistors but offers enhanced features such as lead formation for surface mounting and compliance with RoHS, Pb-free, and halogen-free standards. The MJD340T4G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring stringent quality and reliability standards.
Key Specifications
| Characteristic | Symbol | Max Unit |
|---|---|---|
| Collector-Emitter Voltage | VCEO | 300 Vdc |
| Collector-Base Voltage | VCB | 300 Vdc |
| Emitter-Base Voltage | VEB | 3 Vdc |
| Collector Current - Continuous | IC | 0.5 Adc |
| Collector Current - Peak | ICM | 0.75 Adc |
| Total Power Dissipation @ TC = 25°C | PD | 15 W (Derate above 25°C) |
| Operating and Storage Junction Temperature Range | TJ, Tstg | −65 to +150 °C |
| Thermal Resistance, Junction-to-Case | RθJC | 8.33 °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | 80 °C/W |
| Leading Temperature for Soldering Purpose | TL | 260 °C |
Key Features
- Lead formed for surface mount applications in plastic sleeves.
- Electrically similar to popular MJE340 and MJE350 transistors.
- Epoxy meets UL 94 V-0 @ 0.125 in.
- AEC-Q101 qualified and PPAP capable for automotive and other stringent applications.
- Pb-free, halogen-free/BFR-free, and RoHS compliant.
- High collector-emitter voltage (VCEO) of 300 Vdc.
- High collector current (IC) of up to 0.5 Adc continuously and 0.75 Adc peak.
- Wide operating and storage junction temperature range from −65 to +150 °C.
Applications
The MJD340T4G is designed for various high-power applications, including:
- Line-operated audio output amplifiers.
- Switchmode power supply drivers.
- Other switching applications requiring high voltage and current handling.
- Automotive systems due to its AEC-Q101 qualification.
Q & A
- What is the maximum collector-emitter voltage (VCEO) of the MJD340T4G?
The maximum collector-emitter voltage (VCEO) is 300 Vdc.
- What is the continuous collector current (IC) rating of the MJD340T4G?
The continuous collector current (IC) rating is 0.5 Adc.
- Is the MJD340T4G RoHS compliant?
- What is the thermal resistance from junction to case (RθJC) for the MJD340T4G?
The thermal resistance from junction to case (RθJC) is 8.33 °C/W.
- What are the typical applications of the MJD340T4G?
The MJD340T4G is typically used in line-operated audio output amplifiers, switchmode power supply drivers, and other switching applications.
- Is the MJD340T4G suitable for automotive applications?
- What is the maximum operating junction temperature for the MJD340T4G?
The maximum operating junction temperature is +150 °C.
- What is the leading temperature for soldering the MJD340T4G?
The leading temperature for soldering is 260 °C.
- Does the MJD340T4G meet UL 94 V-0 standards?
- What is the package type of the MJD340T4G?
The MJD340T4G is packaged in a DPAK (TO-252) case.
