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What is needed for UL ?

Electronics Forum | Fri Sep 08 22:48:48 EDT 2017 | ttheis

UL listing is handled by the customer typically. I am assuming you are a contract manufacturer producing only a component pcb assembly for use in a product final assembly and not the final product itself. We are a manufacturer that does our own popul

What is needed for UL ?

Electronics Forum | Tue Sep 12 12:43:26 EDT 2017 | deanm

50) traces. The design will be tested for safety and a file will be created listing all the critical components such as transformers, relays, wiring, enclosure material, etc. On the manufacturing side, a manufacturing facility must be indicated in

Universal Instruments or Mirae

Electronics Forum | Fri Aug 11 09:23:23 EDT 2017 | emeto

kalsi, it looks like you are more comfortable with Mirae. From reading your post, you guys set the Mirae faster and better than the Advatis, so I think the answer is clear. Many discussions here mentioned that the machines are as good as your unders

Tombstone components issue after reflow?

Electronics Forum | Sun Aug 13 22:26:01 EDT 2017 | dawson

Anyone who knows how to prevent such > flaw? > > Tombstones are those lifted components > from one sides. This results in costly and > time-consuming amounts of touch-up and re-work > after the assembly is completed. For the > customers, this e

Tombstone components issue after reflow?

Electronics Forum | Mon Aug 14 14:27:00 EDT 2017 | emeto

Here is some food for thought. Try to answer these questions yourself and I am sure you will see huge improvement. Reasons: - Bad PCB design - Plating-uneven HASL cause more than OSP Au/Ni or Silver - Poor paste and print quality - uneven paste ca

DC-40 GHz 2 way Resistive Power Divider

Electronics Forum | Mon Aug 14 00:19:29 EDT 2017 | pandamw

Model : PDDC400-292_A 50 Ohm 2-way 2.92mm-Female Resistive Power Divider From DC to 40GHz Rated at 1Watts; 40GHz, 2.92mm-Female Resistive Power Divider; Insertion Loss 1.5dB; Isolation 10dB; Operating Temperature -40 to +70℃. Frequency Range | GHz

SMT part placement delay

Electronics Forum | Wed Aug 23 09:27:41 EDT 2017 | dleeper

As Evtimov mentioned, it will be dependent on package. It will also be dependent on the specifics of your machines so there is no universal "good" value. You will need to experiment to find the best values for your equipment and components. I would

Juki KE-730 Comapred to Zevatech FS-730

Electronics Forum | Wed Aug 30 05:37:57 EDT 2017 | alexandrdmc

Phone case iphone 7 plus, best buy phone case iphone. Case for iPhone 7 plus is high in quality and looks great. In terms of protection though it won't protect your screen. It will only protect side and the back scratches. Cover fits really. Hugs tig

Help With Faulty Juki KE-730

Electronics Forum | Sat Aug 26 03:18:15 EDT 2017 | ausplex

Mid-production our KE-730 halted and gave us a “SUB CPU1:BUS ERROR” message on the video monitor. Then we got on the same monitor a detailed error message with address and byte information (unfortunately I didn’t copy the details). Now when we boot

PCB routing

Electronics Forum | Wed Aug 30 13:26:29 EDT 2017 | fuji_user_2014

Hello Gurus, I'm looking for information on FOD generated by routers, more specifically a vacuum equipped Cencorp 1000BR. I want to ensure that this machine can route a populated panel without needing a wash afterwards in order to meet IPC CL3 sta


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