Overview
The MJB44H11 is a high-performance NPN power transistor manufactured by onsemi. It is part of a complementary pair that includes the PNP MJB45H11. These transistors are designed for general-purpose power amplification and switching applications, such as output or driver stages in switching regulators, converters, and power amplifiers. The MJB44H11 is packaged in a D2PAK (TO-263) surface mount configuration, making it suitable for a variety of power management and control systems.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Collector-Emitter Voltage | VCEO | 80 | Vdc |
| Maximum Collector Current | IC | 10 | A |
| Maximum Collector Power Dissipation | Pc | 50 | W |
| Maximum Emitter-Base Voltage | Veb | 5 | Vdc |
| Collector-Emitter Saturation Voltage | VCE(sat) | 1.0 | Vdc @ 8 A |
| Base-Emitter Saturation Voltage | VBE(sat) | 1.5 | Vdc @ 8 A |
| DC Current Gain (hFE) | hFE | 40 - 60 | - |
| Transition Frequency (ft) | ft | 50 | MHz |
| Collector Capacitance (Ccb) | Ccb | 130 | pF |
| Maximum Operating Junction Temperature | Tj | 150 | °C |
Key Features
- Low Collector-Emitter Saturation Voltage (VCE(sat) = 1.0 V @ 8 A)
- Fast Switching Speeds
- Complementary Pairs Simplify Designs
- Epoxy Meets UL 94 V-0 @ 0.125 in
- ESD Ratings: Human Body Model > 8000 V, Machine Model > 400 V
- NJV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable
- Pb-Free Packages Available
Applications
The MJB44H11 is suitable for a variety of applications, including:
- Switching regulators and converters
- Power amplifiers and driver stages
- Automotive systems (AEC-Q101 qualified)
- General-purpose power management and control systems
Q & A
- What is the maximum collector-emitter voltage of the MJB44H11?
The maximum collector-emitter voltage (VCEO) is 80 Vdc.
- What is the maximum collector current of the MJB44H11?
The maximum collector current (IC) is 10 A.
- What is the collector-emitter saturation voltage of the MJB44H11?
The collector-emitter saturation voltage (VCE(sat)) is 1.0 V @ 8 A.
- What is the transition frequency of the MJB44H11?
The transition frequency (ft) is 50 MHz.
- Is the MJB44H11 AEC-Q101 qualified?
- What is the maximum operating junction temperature of the MJB44H11?
The maximum operating junction temperature (Tj) is 150°C.
- What package type is the MJB44H11 available in?
The MJB44H11 is available in a D2PAK (TO-263) surface mount package.
- Does the MJB44H11 have Pb-free packages available?
- What are the ESD ratings for the MJB44H11?
The ESD ratings are Human Body Model > 8000 V and Machine Model > 400 V.
- What are some typical applications for the MJB44H11?
Typical applications include switching regulators, converters, power amplifiers, and automotive systems.
