Help Identifying a Component (TO-220)

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Discussion Overview

The discussion centers around identifying a 3-terminal component found in an array of pump laser diodes, specifically a component marked "PHP 21N0GLT PHm0501E2" in a TO-220 package. Participants explore the nature of this component, speculating on its function and providing insights based on its markings.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant suspects the unidentified component is a voltage or current regulator based on its configuration and markings.
  • Another participant identifies the component as a power N-MOSFET and suggests searching for "21N06" for more information.
  • A later reply provides a rough estimation of the parameters based on the part number, explaining the significance of the markings in relation to current and voltage ratings.
  • Further contributions clarify that the component is in a TO-252 case made by Philips Semiconductor, now NXP, and notes that it was discontinued in 2010.
  • Links to external resources are shared for additional information, including a discontinued status and a datasheet in Italian.

Areas of Agreement / Disagreement

Participants generally agree on the identification of the component as a power N-MOSFET, but there is no consensus on the specific details or availability of datasheets.

Contextual Notes

Some limitations include the lack of definitive identification of the component's function and the absence of a datasheet, which may affect the understanding of its specifications.

Who May Find This Useful

Individuals interested in electronics, particularly those working with laser diodes or MOSFETs, may find this discussion relevant.

teroenza
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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?
20200828_125044.jpg
 
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That is a power N-MOSFET, search for "21N06"
 
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Thank you!
 
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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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Likes   Reactions: berkeman, Averagesupernova and teroenza
Thanks everyone. That should be sufficient for me to try playing with the diodes.
 

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