Overview
The MJE2955TTU is a PNP silicon transistor produced by Fairchild Semiconductor, now part of onsemi. It is housed in a TO-220 package and is designed for general-purpose and switching applications. This transistor is known for its high current handling capabilities and stable performance across a wide range of temperatures.
The MJE2955TTU is part of a complementary pair with the NPN transistor MJE3055T, making it suitable for various electronic circuits that require balanced performance. Its robust design and lead-free packaging support eco-friendly practices and ensure reliability in demanding environments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Collector-Base Voltage (VCBO) | -70 | V |
| Collector-Emitter Voltage (VCEO) | -60 | V |
| Emitter-Base Voltage (VEBO) | -5 | V |
| Collector Current (IC) | -10 | A |
| Base Current (IB) | -6 | A |
| Collector Dissipation (PC) at TC=25°C | 75 | W |
| Collector Dissipation (PC) at Ta=25°C | 0.6 | W |
| Junction Temperature (TJ) | 150 | °C |
| Storage Temperature (TSTG) | -55 to 150 | °C |
| Collector Cut-off Current (ICEO) at VCE=30V, IB=0 | -700 µA | µA |
| Collector Cut-off Current (ICEX) at VCE=70V, VBE(off)=1.5V | -1 to -5 mA | mA |
| Emitter Cut-off Current (IEBO) at VEB=-5V, IC=0 | -5 mA | mA |
| DC Current Gain (hFE) at VCE=-4V, IC=-4A and IC=-10A | 20 to 100 | |
| Collector-Emitter Saturation Voltage (VCE(sat)) at IC=-4A, IB=-0.4A and IC=-10A, IB=-3.3A | -1.1 to -8 V | V |
| Base-Emitter ON Voltage (VBE(on)) at VCE=-4V, IC=-4A | -1.8 V | V |
| Current Gain Bandwidth Product (fT) at VCE=-10V, IC=-500mA | 2 MHz | MHz |
Key Features
- High Current Handling: The MJE2955TTU can handle collector currents up to 10 A, making it suitable for high-power applications.
- High Current Gain Bandwidth Product: With a minimum fT of 2 MHz, this transistor is ideal for high-frequency amplification.
- Wide Temperature Range: It operates reliably in a temperature range from -55°C to 150°C, ensuring stable performance in various environments.
- Robust Design: The TO-220 package provides good thermal dissipation and mechanical stability.
- Lead-Free Packaging: Supports eco-friendly practices in electronics manufacturing.
- Complementary Pair: The MJE2955TTU is part of a complementary pair with the NPN transistor MJE3055T, facilitating balanced performance in circuits.
Applications
- General-Purpose Amplifiers: Suitable for amplifying weak signals in various electronic circuits.
- Switching Applications: Often used in power switching circuits due to its high current handling and fast switching times.
- Audio and Video Systems: Ideal for high-quality audio amplification and video system performance due to its minimal distortion and stable voltage management.
- Industrial and Consumer Electronics: Used in circuits that require stability and durability, such as in industrial control systems and consumer electronics.
- Power Supply Systems: Maintains a stable voltage output and protects against voltage fluctuations.
- Cooling Systems: Manages high current flow, making it suitable for regulating fan speeds in electronic devices.
Q & A
- What is the maximum collector-emitter voltage of the MJE2955TTU?
The maximum collector-emitter voltage (VCEO) is -60 V.
- What is the maximum collector current of the MJE2955TTU?
The maximum collector current (IC) is -10 A.
- What is the typical DC current gain of the MJE2955TTU?
The typical DC current gain (hFE) ranges from 20 to 100 at different collector currents.
- What is the maximum junction temperature of the MJE2955TTU?
The maximum junction temperature (TJ) is 150°C.
- What is the storage temperature range of the MJE2955TTU?
The storage temperature range (TSTG) is from -55°C to 150°C.
- What is the current gain bandwidth product of the MJE2955TTU?
The current gain bandwidth product (fT) is a minimum of 2 MHz.
- What type of package does the MJE2955TTU use?
The MJE2955TTU is housed in a TO-220 package.
- Is the MJE2955TTU lead-free?
Yes, the MJE2955TTU has lead-free packaging.
- What are some common applications of the MJE2955TTU?
Common applications include general-purpose amplifiers, switching circuits, audio and video systems, industrial and consumer electronics, power supply systems, and cooling systems.
- What is the complementary NPN transistor to the MJE2955TTU?
The complementary NPN transistor is the MJE3055T.
