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EEVblog #1029 – BGA PCB Fanout

Dave looks at some issues with fanning out tiny 0.4mm pitch BGA packages, via pad ...

  • Jan

    To save some mm’s of cable they put the mains switch on the backside. WTF!

  • tchicago

    I think you forgot to look at the chip underneath the LCD flat cable. Most likely some ADC, since it is located between the opamps and the mcu.

  • dreamgame

    JBC is made in Spain, in Barcelona exactly. And the UE mark in the transformer means “Union Europea” European Union in Spanish.

  • psidhu

    Hey Dave! I feel that this is appropriate with todays’ topic. I’d like to get your thoughts on bit.ly/13LVDLg

    It’s a 3in1 tool that could be great for hobbyists. I’ve been considering buying one, but I don’t want to just drop $120 and find later that it sucks.

    Nice video today, by the way! Cheers

    • Completely sucky. You get what you pay for.
      IMO you should not skimp on your soldering iron.
      But as always, YMMV.

  • Worf

    Strata meeting? I thought you lived in a house?

    Or is your house part of a homeowner’s association or something?

    • This is for the building the lab is in. Pays to be on the strata committee. You find out what’s happening, and get to decide on stuff.

  • Tony

    Damn, I thought I had forum login but it doesn’t appear to work…

    I’ve got a JBC too and it’s just great.

    Just one tiny problem; when working extended times (6+ hours continuous), the handle starts to get a unconfortably hot to hold.

    Fortunately I don’t have to work that long continuously that often, once or twice a year, but still.

    • Nick

      Maybe you should take a coffe break once in a while then 😛

      • Tony

        Hah, yes, that includes coffee and lunch breaks (granted, they’re ofter quite short when I work alone).
        The timeout before the iron enters low-temp sleep mode while on stand is user settable, and default is some 15-30 minutes; I haven’t bothered to change that since I get interrupted by phone quite often anyway.

  • Said

    Est il possible de voir vos vidéos en français

    • Sebmatrix


      parle en englais, EEVblog ne parle pas français.

      La traduction est :

      Is it possible to have your videos in french (subtitles) ?



      speak in english. EEVblog don’t speak French.

  • Mike Palmer

    Just discovered and love your blog. Haven’t watched all episodes yet as that would probably take a month of Sundays.

    But just wondering if the JBC station can possibly be worth $400 unless you are living in your lab 24/7? If you had to buy a new soldering station would you drop $400 on this JBC or $100/$130 on a Hakko FX88D or the Weller WESD51. I can see the advantage of the JBC for energy saving, but $270 buys a lot of energy!

    I’ve had a Weller station (non-adjustable) for 20+ years and it’s still going strong with the same bit (OK so I don’t use it every day). Do I even need an adjustable station? When would you use high heat?

    • Sure, depends on entirely on what’s important to you.
      An iron like the JBC has much better and quicker thermal recovery, and that means lower temps can be used on a given part than another iron with worse thermal mass where you have to turn the temp up to compensate.
      Yes, I would buy this iron again after having used it, unless I want pinching pennies.

  • Manuel

    In my last job we had the best JBC rework station. When I begun with my own business I bought an 800 euro Ersa (“made in germany”) station. Now I’m very sorry: that’s right that those are very strong but the tips replacement mechanism really sucks: I could have a similirar JBC’s station for a 20-30% more money and I wouldn’t burn my fingers each time I need to change the tip…

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