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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by hotwaterwizard

  1. hotwaterwizard

    Service Info Needed For Sony TFM-3750 - (FM Antenna Wire Missing)

    https://www.radiomuseum.org/r/sony_tfm_3750_wtfm3750.html
  2. hotwaterwizard

    Mostek MK6049N datasheet wanted

    Hammond - Custom Divider/Keyer LSI- 40 pin. Used in much of the 1970s and early 80s production (MK6049N) 075-000429 Divider/Keyer LSI--Custom Hammond 8100 series Aurora also uses it.
  3. hotwaterwizard

    Mystery ULN2003APG

    Here is the Datasheet
  4. hotwaterwizard

    Opening 2 circuits with 1 signal

    Here is a Toggle Circuit.
  5. hotwaterwizard

    Opening 2 circuits with 1 signal

    ou could just drive a relay and get up to 30 amps from the relay. **broken link removed**
  6. hotwaterwizard

    Another help finding this disc

    you could do an amp draw test and install a standard fuse that is double your amp draw to be safe.
  7. hotwaterwizard

    Garden tractor alternator question.

    I would just add a belt driven Car alternator with a built in regulator to get 100 to 250 amps ...
  8. hotwaterwizard

    Wiring side markers in single filament indicator bulb

    Check out these Links. https://www.the12volt.com/installbay/forum_posts.asp?tid=131318 https://www.accessconnect.com/trailer_wiring_diagram.htm
  9. hotwaterwizard

    How divide / multiply low frequency pulses to create a new frequency

    Here are more.
  10. hotwaterwizard

    How divide / multiply low frequency pulses to create a new frequency

    The old school way is TTL.
  11. hotwaterwizard

    Looking for NEC Data Sheet

    I can't find the Transformer Data on the website. Here is the closest match: http://www.fishock.com/store/parts/311-130sar
  12. hotwaterwizard

    Looking for NEC Data Sheet

    Hey, I have an Idea. Post the documents you have. Schematics, Parts list, Etc Please Share
  13. hotwaterwizard

    Looking for NEC Data Sheet

    SCR BT151-650r Datasheet https://www.electro-tech-online.com/custompdfs/2012/08/BT151-650R.pdf BILATERAL DIAC HT-40 Datasheet https://www.electro-tech-online.com/custompdfs/2012/08/Littelfuse_Thyristor_DIAC_HTxxx_HTMxxx_STxxx.pdf
  14. hotwaterwizard

    Ignighter obsolete mitsubishi part.

    M59201p Here is an old post https://www.electro-tech-online.com/threads/igniter-with-two-diodes-in-series.86235/ Here is a Picture of the inside **broken link removed**
  15. hotwaterwizard

    Ignighter obsolete mitsubishi part.

    wow tuff one to find anything on Here is all I found so far. Used on these also 86 yamaha virago xv700 kawasaki ZG1300 M59201p MITSUBISHI DIP-16 Winchester Servo Preamplifier with Low Current Drain **broken link removed**...
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