Overview
The MJ2955 PBFREE, manufactured by Central Semiconductor Corp, is a complementary silicon power transistor designed for general-purpose switching and amplifier applications. This PNP transistor is part of a complementary pair with the NPN 2N3055, both of which are produced using the epitaxial base process and are mounted in a hermetically sealed metal case. The MJ2955 is known for its high current and voltage handling capabilities, making it suitable for a variety of power electronics applications.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 60 | Vdc |
| Collector-Emitter Voltage | VCER | 70 | Vdc |
| Collector-Base Voltage | VCB | 100 | Vdc |
| Emitter-Base Voltage | VEB | 7 | Vdc |
| Continuous Collector Current | IC | 15 | A |
| Continuous Base Current | IB | 7 | A |
| Total Power Dissipation @ TC = 25°C | PD | 115 | W |
| Derate Above 25°C | 0.657 | W/°C | |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 to +200 | °C |
| Thermal Resistance, Junction-to-Case | RJC | 1.52 | °C/W |
| DC Current Gain (hFE) @ IC = 4 A, VCE = 4 V | hFE | 20 - 70 | |
| Collector-Emitter Saturation Voltage @ IC = 4 A, IB = 400 mA | VCE(sat) | 1.1 | Vdc |
| Base-Emitter On Voltage @ IC = 4 A, VCE = 4 V | VBE(on) | 1.5 | Vdc |
Key Features
- High current handling capability up to 15 A continuous collector current.
- High voltage handling with a collector-emitter voltage of up to 60 Vdc.
- Excellent safe operating area (SOA) ensuring reliable operation under various conditions.
- Pb-free packages available, aligning with environmental regulations.
- Hermetically sealed metal case for robustness and reliability.
- Complementary to the NPN 2N3055, allowing for balanced circuit designs.
Applications
The MJ2955 PBFREE is suitable for a wide range of applications, including:
- General-purpose switching circuits.
- Amplifier circuits requiring high current and voltage handling.
- Power electronics such as motor control, power supplies, and audio amplifiers.
- Automotive and industrial control systems.
Q & A
- What is the maximum collector-emitter voltage of the MJ2955?
The maximum collector-emitter voltage (VCEO) is 60 Vdc. - What is the continuous collector current rating of the MJ2955?
The continuous collector current (IC) is 15 A. - What is the thermal resistance of the MJ2955 from junction to case?
The thermal resistance (RJC) is 1.52 °C/W. - Is the MJ2955 available in Pb-free packages?
Yes, Pb-free packages are available for the MJ2955. - What is the operating temperature range for the MJ2955?
The operating and storage junction temperature range is -65 to +200 °C. - What is the DC current gain (hFE) of the MJ2955 at IC = 4 A and VCE = 4 V?
The DC current gain (hFE) is between 20 and 70. - What is the collector-emitter saturation voltage (VCE(sat)) at IC = 4 A and IB = 400 mA?
The collector-emitter saturation voltage (VCE(sat)) is 1.1 Vdc. - What type of process is used to manufacture the MJ2955?
The MJ2955 is manufactured using the epitaxial base process. - What is the base-emitter on voltage (VBE(on)) at IC = 4 A and VCE = 4 V?
The base-emitter on voltage (VBE(on)) is 1.5 Vdc. - What are some common applications for the MJ2955?
Common applications include general-purpose switching, amplifier circuits, power electronics, automotive systems, and industrial control systems.
