The MPSA42 is a high-voltage NPN transistor. A transistor can normally be used as a switch or amplifier, but this transistor is commonly used only for switching purposes since it has a low gain value of 30. It can switch on or off the loads with voltages upto 300V. When the transistor is fully biased which you can do with a base-emitter voltage of about 6V, it can carry a collector current of upto 500mA. So if you are looking for an NPN transistor that can switch high voltages with decent enough currents then it is the product for you.
MPSA42 Transistor Specifications
- High Voltage NPN Transistor
- DC Current Gain (hFE): 40
- Continuous Collector Current: 500mA
- Base- Emitter Voltage: 6V
- Collector-Emitter Voltage: 300V
- Collector-Base Voltage: 300V
- Available in To-92 Package
- Dimensions = Body Width: ~4.5 mm Body Height (excluding leads): ~4.0 mm Body Depth (thickness): ~3.5 mm
Package Contents
1× MPSA42 Transistor
Additional Resources