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Blog Replacement alternative to an NTE263 power transistor
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  • Author Author: colporteur
  • Date Created: 22 Feb 2023 12:24 AM Date Created
  • Views 2334 views
  • Likes 9 likes
  • Comments 13 comments
  • transistor
  • replacement part
  • power transistor
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Replacement alternative to an NTE263 power transistor

colporteur
colporteur
22 Feb 2023

I am in need of an NT 263 darlington-pair power transistor. The component is responsible for providing a variable output on a DC model train power pack. I have had limited success in finding something at a reasonable price for a Canadian. I don't have access to component substitution resources anymore. I was hoping someone could provide a few alternatives.

Digi-key out of the states does return a hit. The price of the unit is reasonable but the shipping and conversion to Canadian dollars make it unrealistic. I have seen ebay advertisements for a complete power pack unit for what it would cost me to by one transistor.

I hoping to find a replacement part at a reasonable cost so I can get it back into service. It just raw DC power no precision required. It is really discouraging throwing stuff away because of one component.

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Top Comments

  • Gough Lui
    Gough Lui over 3 years ago +1
    Actually, now that I've dug a bit further, I'd probably recommend the BDX33CG - that's got a TO-220 package and in stock in element14 UK ( https://au.element14.com/multicomp/bdx33c/darlington-transistor…
  • Gough Lui
    Gough Lui over 3 years ago

    Actually, now that I've dug a bit further, I'd probably recommend the BDX33CG - that's got a TO-220 package and in stock in element14 UK (https://au.element14.com/multicomp/bdx33c/darlington-transistor-to-220/dp/9294090). Seems to be a drop-in replacement from what I can tell.

    - Gough

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  • Gough Lui
    Gough Lui over 3 years ago

    dougw 's suggestion is an excellent one - another two possibilities would be BDV65BG or BDV67B which seem to be in element14's catalogue in the UK.

    But I'm not sure what package your NTE263 is in ... but if it is a TO-220, then these would be larger TO-247 packages which may mean some creative leg-bending or mounting requirements.

    - Gough

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  • dougw
    dougw over 3 years ago

    TIP142

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