Overview
The MJD127T4 is a PNP Darlington power transistor manufactured by STMicroelectronics. It is part of the company's Darlington transistor portfolio, which offers devices with a voltage range up to 400 V and both NPN and PNP polarities. The MJD127T4 is produced using planar technology with a "base island" layout and a monolithic Darlington configuration, resulting in exceptional high gain performance and very low saturation voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Transistor Type | PNP | |
| Maximum Continuous Collector Current | 5 A | |
| Maximum Collector-Emitter Voltage | 100 V | |
| Maximum Emitter-Base Voltage | 5 V | |
| Package Type | DPAK (TO-252) | |
| Mounting Type | Surface Mount | |
| Pin Count | 3 | |
| Minimum DC Current Gain | 100 | |
| Maximum Collector-Emitter Saturation Voltage | 4 V | |
| Minimum Operating Temperature | -65 °C | |
| Maximum Operating Temperature | +150 °C | |
| Total Power Dissipation at Tcase = 25°C | 20 W | |
| Thermal Resistance, Junction-to-Case | 6.25 °C/W |
Key Features
- Low collector-emitter saturation voltage
- Integrated antiparallel collector-emitter diode
- High DC current gain (hFE = 100 minimum)
- Monolithic Darlington configuration for high gain performance
- Planar technology with "base island" layout
- Surface mount package (DPAK/TO-252)
Applications
The MJD127T4 is designed for general-purpose linear and switching applications. It is suitable for use in various electronic circuits where high gain and low saturation voltage are required. Specific applications include:
- General-purpose amplifiers
- Low-speed switching applications
- Surface mount replacements for other Darlington transistors like the 2N6040-2N6045 series and TIP120-TIP127 series
Q & A
- What is the maximum continuous collector current of the MJD127T4?
The maximum continuous collector current is 5 A.
- What is the maximum collector-emitter voltage of the MJD127T4?
The maximum collector-emitter voltage is 100 V.
- What is the package type of the MJD127T4?
The package type is DPAK (TO-252).
- What is the minimum DC current gain of the MJD127T4?
The minimum DC current gain is 100.
- What is the maximum collector-emitter saturation voltage of the MJD127T4?
The maximum collector-emitter saturation voltage is 4 V.
- What is the operating temperature range of the MJD127T4?
The operating temperature range is from -65 °C to +150 °C.
- What is the thermal resistance, junction-to-case, of the MJD127T4?
The thermal resistance, junction-to-case, is 6.25 °C/W.
- Is the MJD127T4 RoHS compliant?
- What are some typical applications of the MJD127T4?
- What is the total power dissipation at Tcase = 25°C for the MJD127T4?
