Overview
The MJE2955T is a general-purpose PNP bipolar junction transistor (BJT) manufactured by NTE Electronics, Inc. This device is designed with an epitaxial base process and is housed in a hermetically sealed metal case, specifically the TO-220 package. It is intended for use in general-purpose switching and amplifier applications, making it a versatile component in power electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Transistor Type | PNP |
| Package | TO-220-3 |
| Continuous Collector Current (IC) | 10 A |
| Collector-Base Voltage (Vcb) | 60 V |
| Collector-Emitter Breakdown Voltage | 60 V |
| Base Current (IB) | 6 A (maximum) |
| DC Current Gain (hFE) | 20 @ 4A, 4V (minimum), 100 (maximum) |
| Emitter-Base Voltage (VBE) | 5 V |
| Collector Dissipation | 75 W |
| Transition Frequency | 2 MHz |
| Operating Junction Temperature | -55°C to 150°C (TJ) |
| Collector Cutoff Current | 700 µA (maximum) |
| Vce Saturation | 8 V @ 3.3 A, 10 A |
| Collector Capacitance | 8.5 pF |
Key Features
- Robust power handling capability with a maximum collector current of 10 A and collector dissipation of 75 W.
- High breakdown voltage and current ratings, making it suitable for a wide range of power electronics applications.
- High DC current gain (hFE) of 20 @ 4A, 4V, ensuring reliable amplification and switching performance.
- Transition frequency of 2 MHz, suitable for various high-frequency applications.
- Wide operating temperature range of -55°C to 150°C, enhancing its reliability in diverse environments.
- Pb-free packages are available, complying with RoHS standards.
Applications
- Power amplifiers: Suitable for high-power amplification tasks due to its robust current and voltage handling capabilities.
- Motor control circuits: Used in controlling high-power motors in various industrial and automotive applications.
- Switch-mode power supplies: Ideal for use in switch-mode power supplies and inverters due to its high switching speed and reliability.
- Regulator circuits: Can be used in voltage regulator circuits to ensure stable output voltage.
- PWM applications: Suitable for pulse-width modulation applications requiring high current and voltage handling.
Q & A
- What is the maximum collector current of the MJE2955T transistor?
The maximum collector current of the MJE2955T transistor is 10 A.
- What is the collector-emitter breakdown voltage of the MJE2955T?
The collector-emitter breakdown voltage of the MJE2955T is 60 V.
- What is the transition frequency of the MJE2955T transistor?
The transition frequency of the MJE2955T transistor is 2 MHz.
- What is the operating temperature range of the MJE2955T transistor?
The operating temperature range of the MJE2955T transistor is -55°C to 150°C (TJ).
- What package type is the MJE2955T transistor available in?
The MJE2955T transistor is available in the TO-220-3 package.
- Is the MJE2955T transistor RoHS compliant?
Yes, the MJE2955T transistor is available in Pb-free packages, making it RoHS compliant.
- What are some common applications of the MJE2955T transistor?
The MJE2955T transistor is commonly used in power amplifiers, motor control circuits, switch-mode power supplies, and regulator circuits).
- What is the DC current gain (hFE) of the MJE2955T transistor?
The DC current gain (hFE) of the MJE2955T transistor is 20 @ 4A, 4V (minimum), with a maximum of 100).
- What is the collector dissipation of the MJE2955T transistor?
The collector dissipation of the MJE2955T transistor is 75 W).
- Does the MJE2955T transistor require proper heat sinking for safe operation?
Yes, proper heat sinking is required for the safe operation of the MJE2955T transistor).
