Help Identifying a Component (TO-220)

[teroenza]

TL;DR

Hoping to get help identifying a mystery 3-terminal TO-220 component that was connected to some pump laser diodes.

I've come across an array of pump laser diodes (IPG brand, PLD-6-4) wired in series with a 3-terminal component I can't identity. I suspect it is a voltage or current regulator, but can't seem to Google-up any info on it. Markings are "PHP 21N0GLT PHm0501E2".

TO-220 package, red and black wires connected across the diode series, purple wire (half the diameter of the other two) went elsewhere and I don't know what it connected to.

Can anyone help me identify this?

 

[DaveE]

That is a power N-MOSFET, search for "21N06"

 

[teroenza]

Thank you!

 

[DaveE]

BTW, For MOSFETS, there is a rough estimation of the parameters in the P/N:
in "21N06", "21..." = 21 Amps, "...N..." = N-Channel, "...06" = 60V.
The letters before this are usually the manufacturer, the letters at the end are the package type.

 

[Tom.G]

@DaveE got it.

In a TO-252 case made by Philips Semiconductor, now NXP.

https://www.nxp.com/search?keyword=php21n06lt,&start=0
shows it was discontinueed in 2010, couldn't find a datasheet on their site.

Found some info in Italian at:
https://alltransistors.com/es/transistor.php?transistor=32685

Cheers,
Tom

 

[teroenza]

Thanks everyone. That should be sufficient for me to try playing with the diodes.