Overview
The MJD340T4 is an NPN Darlington transistor manufactured by STMicroelectronics. It is part of the MJD340 and MJD350 series, which form complementary NPN-PNP pairs. These transistors are produced using Medium Voltage Epitaxial-Planar technology, resulting in rugged, high-performance, and cost-effective devices. They are packaged in a surface-mounting TO-252 (DPAK) package, making them suitable for a variety of applications requiring general switching and amplification.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | 300 | V |
| Collector-Emitter Voltage (VCEO) | 300 | V |
| Emitter-Base Voltage (VEBO) | 3 | V |
| Collector Current (IC) | 0.5 | A |
| Collector Peak Current (ICM) | 0.75 | A |
| Total Power Dissipation at Tcase ≤ 25°C (Ptot) | 15 | W |
| Storage Temperature (Tstg) | -65 to 150 | °C |
| Max Operating Junction Temperature (Tj) | 150 | °C |
| Thermal Resistance Junction-case (Rthj-case) | 8.33 | °C/W |
| Thermal Resistance Junction-ambient (Rthj-amb) | 100 | °C/W |
| DC Current Gain (hFE) | 30 to 240 |
Key Features
- Complementary NPN-PNP pairs (MJD340 and MJD350)
- Medium Voltage Epitaxial-Planar technology for high performance and ruggedness
- Surface-mounting TO-252 (DPAK) package
- High DC current gain (hFE: 30 to 240)
- Medium voltage capability
- Cost-effective
Applications
- Solenoid/relay drivers
- General purpose switching and amplification
Q & A
- What is the MJD340T4 transistor?
The MJD340T4 is an NPN Darlington transistor manufactured by STMicroelectronics, part of the MJD340 and MJD350 series. - What technology is used in the MJD340T4?
The MJD340T4 is produced using Medium Voltage Epitaxial-Planar technology. - What is the maximum collector-emitter voltage (VCEO) of the MJD340T4?
The maximum collector-emitter voltage (VCEO) is 300 V. - What is the maximum collector current (IC) of the MJD340T4?
The maximum collector current (IC) is 0.5 A. - What is the thermal resistance junction-case (Rthj-case) of the MJD340T4?
The thermal resistance junction-case (Rthj-case) is 8.33 °C/W. - What are the typical applications of the MJD340T4?
The MJD340T4 is typically used in solenoid/relay drivers and general purpose switching and amplification. - What is the storage temperature range for the MJD340T4?
The storage temperature range is -65 to 150 °C. - What is the maximum operating junction temperature (Tj) of the MJD340T4?
The maximum operating junction temperature (Tj) is 150 °C. - What package type is the MJD340T4 available in?
The MJD340T4 is available in a surface-mounting TO-252 (DPAK) package. - What is the DC current gain (hFE) range of the MJD340T4?
The DC current gain (hFE) range is 30 to 240.
