400V 40A Darlington Power Transistor Datasheet Specifications

In this post we investigate the datasheet and technical specifications of a 400V, 40A (ampere) power Darlington transistor MJ10022 and MJ10023, and also learn the main features of the device.

We mostly find it difficult when it comes to finding a BJT with extreme voltage and current specifications such as with a 400V and 40 Amp limits.

Here's one such device which is rated with extreme V and I specs, yet it is easily accessible across local electronic markets. This power BJT could be applied in all DC high voltage and high current applications

This power transistor becomes even more special since it has an in-built Darlington feature ensuring maximum efficiency and high current gain, which allows the device to be switched with nominal input triggers and operate huge load using voltages upto 400V and current upto 40 amps.

Main Features


The BJT MJ10022 and MJ10023 are Darlington power transistors are designed to work with fast switching high voltage and high current inductive circuits in which the fall time are typically critical, such as in line operated SMPS topologies.

The main features of this device can be summarized as given below:

High current and high voltage operations
High speed switching
Incorporates high-speed base-emitter diode
Darlington high Gain output
Designed for heavy duty Inductive loads.

Maximum Absolute Ratings


Peak Collector-Emitter Voltage (Vcev) = 450V for MJ10022, and 600V for MJ10023
Sustained Collector-Emitter Voltage = 350V for MJ10022, and 400V for MJ10023
Maximum Emitter-Base Voltage (Vebo) = 8V
Peak Collector Current Icm = 80A (ampere)
Sustained Collector Current = 40A (ampere)
Maximum Base Current (Ib) = 20A (ampere)
Maximum Permissible Power Dissipation (Pd) = 250W (watts) at 25 degrees Celsius, and 143W (watts) at 100 degrees Celsius.

Thermal Dissipation Graph


400V 40A Darlington Power Transistor Thermal Graph


Pinout Diagram of MJ10022, and MJ120023 (similar to any other TO3 package such as 2N3055)

Pinout Diagram of MJ10022, and MJ120023


Actual Image of the Discussed 400V 40A BJT MJ10022/MJ10023


Image of the Discussed 400V 40A BJT MJ10022/MJ10023

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Comments

Nwibo sylvestet said…
Your circuits diagrams are pretty real. I wish to come over to India and run a full electronics course with you.
Waleed Fareed said…
Please help me
I have cnc router spindle with specification:
3 phase
Volt = 220 V AC
Freq. = 400 Hz
Power = 800 W
I need low cost driver circuit
thanks in advance
Speed = 24000 RPM
Swag said…
the easiest way is to put 3 separate triac based dimmer controllers (regulators) in series with the 3 lines of the 3 phase.

then synchronize the pots of the 3 dimmers such that when you want to control the speed, all the 3 knobs rotate together in a synchronized manner
PGV said…
Hello Swagatam,

I have gone through many circuits you have designed especially Inverter ones. All I am confused is with the Simple Ohm's Law and the Power Outputs !!!
If you have time, please go through my concept here :

We have a 12 Volt (7 AH battery / whatever the current ratings - I simply don't know)
Need to make an Inverter to run an Old sewing machine(manual) support motor (90W, 220/230V/0.5A,50/60Hz)
This motor is in turn mechanically connected to another motor to work as a generator - (I tried one which generates only 150 Volts ac ; Don't know the current and frequency generated )
This 150 Volts I need to further use for an inverter to generate more power..
Do you think this is possible or a bad Idea ??? If possible, I wonder HOW??

I am also running after the ways of sustainable free Energy..
I appreciate your valuable time to read this...
Wish your thoughts to be positive....
Thank you so much..
Have a Joyful Time Ahead... :)
Swag said…
PGV, that can be never possible, if you have seen such concepts on YouTube, consider them as fakes...

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