Overview
The MPSA42G is a High Voltage NPN Bipolar Transistor designed for general purpose amplifier applications. It is manufactured by onsemi and is housed in the TO-92 package. This transistor is suitable for a wide range of applications requiring high voltage and moderate current handling capabilities.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Emitter Voltage | VCEO | 300 | Vdc |
| Collector-Base Voltage | VCBO | 300 | Vdc |
| Emitter-Base Voltage | VEBO | 6.0 | 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 | RJA | 200 | °C/W |
| Thermal Resistance, Junction-to-Case | RJC | 83.3 | °C/W |
| DC Current Gain (hFE) | hFE | 25 - 40 | - |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.5 | Vdc |
| Base-Emitter Saturation Voltage | VBE(sat) | 0.9 | Vdc |
| Current-Gain-Bandwidth Product | fT | 50 | MHz |
Key Features
- Pb-Free Packages available
- High Voltage capability: VCEO = 300 Vdc, VCBO = 300 Vdc
- Moderate current handling: IC = 500 mAdc
- Wide operating temperature range: -55°C to +150°C
- Low collector-emitter saturation voltage: VCE(sat) = 0.5 Vdc
- High current gain: hFE = 25 - 40
- Small signal transistor with a current-gain-bandwidth product of 50 MHz
Applications
The MPSA42G is suitable for various general-purpose amplifier applications, including audio amplifiers, switching circuits, and other high-voltage, low-to-moderate current applications. It is also used in power supplies, motor control circuits, and other electronic systems requiring reliable high-voltage operation.
Q & A
- What is the maximum collector-emitter voltage of the MPSA42G?
The maximum collector-emitter voltage (VCEO) of the MPSA42G is 300 Vdc. - What is the continuous collector current rating of the MPSA42G?
The continuous collector current (IC) rating of the MPSA42G is 500 mAdc. - What is the operating temperature range of the MPSA42G?
The operating and storage junction temperature range of the MPSA42G is -55°C to +150°C. - Is the MPSA42G Pb-Free?
Yes, the MPSA42G is available in Pb-Free packages. - What is the typical DC current gain (hFE) of the MPSA42G?
The typical DC current gain (hFE) of the MPSA42G is between 25 and 40. - What is the collector-emitter saturation voltage of the MPSA42G?
The collector-emitter saturation voltage (VCE(sat)) of the MPSA42G is 0.5 Vdc. - What is the current-gain-bandwidth product of the MPSA42G?
The current-gain-bandwidth product (fT) of the MPSA42G is 50 MHz. - In what package is the MPSA42G housed?
The MPSA42G is housed in the TO-92 package. - What are some typical applications of the MPSA42G?
The MPSA42G is used in general-purpose amplifier applications, including audio amplifiers, switching circuits, power supplies, and motor control circuits. - Is the MPSA42G suitable for high-temperature environments?
Yes, the MPSA42G can operate in a wide temperature range, making it suitable for high-temperature environments.
