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Backstein

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  1. Which specification makes the difference? How could I have found it out myself? Greetings B
  2. Thank's to all who replied! How could I have found out myself that "ULN2803 Oc-Drl" (as it says in the manual) means ULN2803A? B
  3. Hello guys, I know the topic is almost antiqueted, but I hope finding here the people who might have an answer to my similar question. I got my SWEP1 with the upper bumper never working. As I have to do work on the power driver board anyways, my idea was to replace the respective STP20N10L. I've read different things now. Some say I need a IRL540N, others say I need a IRF540N. How do I find out what I need? Happy new year B
  4. Thank you. I find different notations ULN2803 / ULN2803A / ULN2803AP / ULN2803APG / ULN2803AN / etc Is this something, and are there other specifications I need to check when I buy a new one? B
  5. Hello guys, I know the topic is almost antiquated but I hope finding here those who know most about the topic. My SWEP1 sabre suddently stopped working. - tube and transformer work well when powered externally - molex shows unregular peaks of below 1V [i suppose induced somewhere in the circuit so meaningless, because:] - on the power-board ZERO power is delivered to the respective contacts - I checked the entire circuit and it's okay from the molex to the board Thank you for sharing any Ideas and Happy new year! 🎇 B
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