Help Identifying a Component (TO-220)

  • Thread starter teroenza
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  • #1
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Summary:

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?
20200828_125044.jpg
 

Answers and Replies

  • #2
DaveE
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That is a power N-MOSFET, search for "21N06"
 
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  • #3
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Thank you!
 
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  • #4
DaveE
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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.
 
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  • #6
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Thanks everyone. That should be sufficient for me to try playing with the diodes.
 

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