MJ10007 is a high-voltage, high-speed NPN silicon power Darlington transistor.

MJ10007 is a high-voltage, high-speed NPN silicon power Darlington transistor. It was designed by Motorola (now part of Onsemi) for power switching in circuits where a very fast turn-off time is critical.  

​Key Characteristics

​Type: Power Darlington transistor. A Darlington transistor is essentially two transistors in a single package, amplifying the current gain and allowing a very small input current to control a much larger output current.  

​Polarity: NPN (Negative-Positive-Negative).  

​Applications: It's well-suited for high-power switching applications such as:

​Switching regulators

​Inverters

​Solenoid and relay drivers

​Motor controls

​Deflection circuits  

​Ratings:

​Maximum Collector-Emitter Voltage (V_{CEO}): 400 V  

​Maximum Collector Current (I_C): 10 A  

​Maximum Power Dissipation (P_D): 150 W  

​Package: It comes in a TO-3 metal can package. This is a heavy-duty, through-hole package designed for high power dissipation, allowing it to be mounted to a heatsink for cooling.