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Found 8 results

  1. Hello We designed this Snubber Circuit with this varistor in parallel but we have a problem in a small load. Even when the relay is disconnected, a small current is flowing. For example, when connecting a phone charger, the phone screen keeps turning on and off. The varistor is Hongzhi Elec 7D471K The resistor is 2.2 ±5% 1W ±350ppm/°C Axial,3.3x9.2mm Carbon The capacitor is 100nF ±10% 275VAC 10 Through Hole,P=10mm Suppression Capacitors I think the problem is with the capacitor and maybe I need a smaller one to increase the impedance and limit the current flow or schematic problem.
  2. I have a question, there are so many development boards in this world, banana pi, raspberry pi and so on, could you pls tell me more about these boards? What's your opinion?
  3. Hello, Everyone!!! I am Katy Radcliff and new to this forum. I love to repair and rework PCB's, so I hope I will get something new related to PCB's and other electronic things.
  4. I’m designing a hand-held device for a client, and I’m in need of a membrane switch keypad. One of the requirements is that the keypad be manufactured to withstand moisture. Do you know any companies who specialize in very tough keypads for rigorous environments?
  5. Good afternoon~all Please help me out. As the LP3856’s datasheet shows,the inputted current is 3.3V,the outputted current is 1.8V,the referring voltage is 1.216V,. What should I consider about when in the design process? Can I use LP3856 here ? Wishes~
  6. Electronics Advisor Wanted Hi, I imagine there are some electronics hobbyists out there that can help with this: Job Description: A prototype design for a consumer product currently being 3d designed for a Startup. It will contain a small circuit board, motor, and sensor etc. I am looking for someone to advise me on the electronic parts I've chosen. This person will be someone that tinkers with hardware and has experience using batteries, sensors, micro controllers, etc. Deliverables may include: Arduino code, custom circuit board design and supplier selection, battery size rec
  7. Hello I will like to know what are the best online superstores out there ? Lately I have found myself doing most of my online shopping on WIN SOURCE (a superstore that has quality electronic gadgets and appliances). They can be accessed via http:// www. win-source. net/
  8. (This is my 1st post in this forum and I will post many post in the near future. ) Printed circuit board design software This electronic design software is a license software professional edition. This is a PCB Wizard Professional edition with learning samples. This printed circuit board design software uses latest transistors, ICs, Resistors, Condensers, Triacs, Logic gates, Input also output components, digital meters, analog meters also oscilloscope also includes many type of Pin types. Just like SIL, DIL, and DO Etc. This printed circuit board design software[highlight #000000][color #0
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