Overview
The MPSA14G is a Darlington transistor from onsemi, designed to provide high current gain and robust performance in various electronic applications. This NPN silicon transistor is part of the MPSA13 and MPSA14 series, with the MPSA14G being a Pb-free version, making it compliant with current environmental regulations. The device is housed in a TO-92 package, which is widely used in electronic circuits due to its compact size and ease of use.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCES | 30 | Vdc |
| Collector-Base Voltage | VCBO | 30 | Vdc |
| Emitter-Base Voltage | VEBO | 10 | Vdc |
| Collector Current - Continuous | IC | 500 | mAdc |
| Total Device Dissipation @ TA = 25°C | PD | 625 | mW |
| Total Device Dissipation @ TC = 25°C | PD | 1.5 | W |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 to +150 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | 200 | °C/mW |
| Thermal Resistance, Junction-to-Case | RθJC | 83.3 | °C/mW |
| DC Current Gain (IC = 100 mAdc, VCE = 5.0 Vdc) | hFE | 10,000 to 20,000 | |
| Collector-Emitter Saturation Voltage (IC = 100 mAdc, IB = 0.1 mAdc) | VCE(sat) | 1.5 | Vdc |
| Base-Emitter On Voltage (IC = 100 mAdc, VCE = 5.0 Vdc) | VBE(on) | 2.0 | Vdc |
Key Features
- High Current Gain: The MPSA14G offers a high DC current gain (hFE) ranging from 10,000 to 20,000, making it suitable for applications requiring significant amplification.
- Pb-Free Package: This transistor is available in a Pb-free TO-92 package, ensuring compliance with environmental regulations.
- High Collector Current: It can handle a continuous collector current of up to 500 mA.
- Wide Operating Temperature Range: The device operates over a junction temperature range of -55°C to +150°C.
- Low Saturation Voltage: The collector-emitter saturation voltage is as low as 1.5 Vdc, which is beneficial for reducing power consumption.
Applications
The MPSA14G Darlington transistor is versatile and can be used in a variety of applications, including:
- Power Amplifiers: Due to its high current gain and ability to handle significant collector currents, it is suitable for power amplifier circuits.
- Switching Circuits: The low saturation voltage and high current gain make it ideal for switching applications.
- Motor Control: It can be used in motor control circuits where high current and reliability are required.
- Audio Amplifiers: The transistor's characteristics make it a good choice for audio amplifier stages.
Q & A
- What is the maximum collector-emitter voltage for the MPSA14G?
The maximum collector-emitter voltage (VCES) is 30 Vdc. - What is the continuous collector current rating of the MPSA14G?
The continuous collector current (IC) is 500 mAdc. - What is the thermal resistance from junction to ambient for the MPSA14G?
The thermal resistance from junction to ambient (RθJA) is 200 °C/mW. - What is the DC current gain range for the MPSA14G?
The DC current gain (hFE) ranges from 10,000 to 20,000. - What is the collector-emitter saturation voltage for the MPSA14G?
The collector-emitter saturation voltage (VCE(sat)) is 1.5 Vdc. - Is the MPSA14G available in a Pb-free package?
Yes, the MPSA14G is available in a Pb-free TO-92 package. - What is the operating junction temperature range for the MPSA14G?
The operating junction temperature range is -55°C to +150°C. - What are some common applications for the MPSA14G?
Common applications include power amplifiers, switching circuits, motor control, and audio amplifiers. - What is the base-emitter on voltage for the MPSA14G?
The base-emitter on voltage (VBE(on)) is 2.0 Vdc. - How much total device dissipation can the MPSA14G handle at TA = 25°C?
The total device dissipation at TA = 25°C is 625 mW.
