Overview
The MJD44H11T4G is a bipolar junction transistor (BJT) produced by onsemi, designed for general-purpose power and switching applications. This NPN transistor is packaged in a surface-mount DPAK (TO-252) format, making it suitable for a variety of electronic systems. It is electrically similar to the popular D44H series and is AEC-Q101 qualified, making it suitable for automotive and other applications requiring high reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Collector-Emitter Voltage (Vce) | 80 V |
| Collector Current (Ic) | 8 A |
| Gain Bandwidth Product (ft) | 85 MHz |
| Power Dissipation (Pd) | 1.75 W |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 71.4 °C/W |
| Lead Temperature for Soldering (TL) | 260 °C |
| Collector-Emitter Saturation Voltage (Vce(sat)) | 0.8 V (typical at Ic = 4 A, Ib = 0.4 A) |
| Base-Emitter Saturation Voltage (Vbe(sat)) | 1.2 V (typical at Ic = 4 A, Ib = 0.4 A) |
Key Features
- Lead formed for surface mount application in plastic sleeves.
- Straight lead version available with “−1” suffix.
- Low collector-emitter saturation voltage.
- Fast switching speeds.
- Complementary pairs simplify designs.
- Epoxy meets UL 94 V-0 @ 0.125 in.
- AEC-Q101 qualified and PPAP capable.
- Pb-free packaging.
Applications
The MJD44H11T4G is designed for use in various power and switching applications, including:
- Output or driver stages in switching regulators.
- Converters.
- Power amplifiers.
- Automotive systems due to its AEC-Q101 qualification.
Q & A
- What is the collector-emitter voltage rating of the MJD44H11T4G?
The collector-emitter voltage rating is 80 V. - What is the maximum collector current for the MJD44H11T4G?
The maximum collector current is 8 A. - What is the gain bandwidth product (ft) of the MJD44H11T4G?
The gain bandwidth product is 85 MHz. - What is the power dissipation (Pd) of the MJD44H11T4G?
The power dissipation is 1.75 W. - What is the thermal resistance, junction-to-ambient (RθJA) of the MJD44H11T4G?
The thermal resistance, junction-to-ambient is 71.4 °C/W. - Is the MJD44H11T4G AEC-Q101 qualified?
Yes, the MJD44H11T4G is AEC-Q101 qualified. - What type of packaging does the MJD44H11T4G use?
The MJD44H11T4G uses Pb-free DPAK (TO-252) packaging. - What are some typical applications for the MJD44H11T4G?
Typical applications include output or driver stages in switching regulators, converters, and power amplifiers. - What is the lead temperature for soldering (TL) of the MJD44H11T4G?
The lead temperature for soldering is 260 °C. - Does the MJD44H11T4G have complementary pairs?
Yes, the MJD44H11T4G has complementary pairs (MJD45H11T4G for PNP), which simplifies designs.
