Overview
The MJL21194 is an NPN silicon power transistor manufactured by onsemi. It is part of a complementary pair with the MJL21193 (PNP) and is designed for high-power applications such as high power audio output, disk head positioners, and linear applications. The transistor utilizes Perforated Emitter technology, which enhances its performance in high-current and high-voltage environments.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 250 | Vdc |
| Collector-Base Voltage | VCBO | 400 | Vdc |
| Emitter-Base Voltage | VEBO | 5 | Vdc |
| Continuous Collector Current | IC | 16 | Adc |
| Peak Collector Current | ICM | 30 | Adc |
| Continuous Base Current | IB | 5 | Adc |
| Total Power Dissipation @ TC = 25°C | PD | 200 | Watts |
| Transition Frequency (ft) | ft | 4 | MHz |
| Forward Current Transfer Ratio (hFE), MIN | hFE | 25 | |
| Thermal Resistance, Junction to Case | RθJC | 0.7 | °C/W |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -65 to +150 | °C |
Key Features
- Total Harmonic Distortion (THD) characterized, ensuring low distortion in audio applications.
- High DC Current Gain (hFE = 25 Min @ IC = 8 Adc) for efficient current amplification.
- Excellent Gain Linearity for consistent performance across different operating conditions.
- High Safe Operating Area (SOA) of 2.25 A, 80 V, 1 Second MAXIMUM, providing robust operation in demanding environments.
- Pb-Free and RoHS Compliant, making it environmentally friendly and compliant with regulatory standards.
Applications
- High power audio output systems, where low distortion and high current handling are critical.
- Disk head positioners, requiring precise and reliable control.
- Linear applications, such as power amplifiers and voltage regulators.
Q & A
- What is the maximum collector-emitter voltage of the MJL21194 transistor?
The maximum collector-emitter voltage (VCEO) is 250 Vdc.
- What is the continuous collector current rating of the MJL21194?
The continuous collector current (IC) is 16 Adc.
- What is the transition frequency (ft) of the MJL21194 transistor?
The transition frequency (ft) is 4 MHz.
- What is the thermal resistance from junction to case (RθJC) for the MJL21194?
The thermal resistance from junction to case (RθJC) is 0.7 °C/W.
- Is the MJL21194 Pb-Free and RoHS Compliant?
- What are the typical applications of the MJL21194 transistor?
The MJL21194 is typically used in high power audio output systems, disk head positioners, and linear applications.
- What is the maximum base current rating for the MJL21194 transistor?
The maximum continuous base current (IB) is 5 Adc.
- What is the total power dissipation rating for the MJL21194 at TC = 25°C?
The total power dissipation (PD) at TC = 25°C is 200 Watts, with a derate of 1.43 W/°C above 25°C.
- What is the operating and storage junction temperature range for the MJL21194?
The operating and storage junction temperature range is -65 to +150 °C.
- What technology does the MJL21194 utilize?
The MJL21194 utilizes Perforated Emitter technology.
