Electronics Forum: rel 22 (Page 1 of 1)

Military wire harness guru

Electronics Forum | Mon Jul 22 01:05:14 EDT 2002 | lysik

Try George King at SCI in Hunsville AL. the have done so much stuff for the military since 196?. Plant 1 is al about HI REL and MIL SPEC. they do small jobs as well as big jobs.

Non RoHs Requirement

Electronics Forum | Thu Oct 09 22:57:10 EDT 2008 | dphilbrick

Customer Specification, parts must be certified to have no less than 3% lead content on the lead prior to attach! It's a Hi Rel Mil Spec FAR Clause in the RFQ.

Sn99 Cu0.7 Ag 0.3

Electronics Forum | Mon Mar 07 20:22:05 EST 2005 | KEN

Here are some general rules for lead free wave solder: Noble aloys will cost more. Period. The cheapest metal on earth is lead. Costs can only go up in Lead Free. Consumer grade and class 2 electronics will most likely use Tin / Copper for wave.

Re: Reliability of coated Plastic encapsulated Microcircuits

Electronics Forum | Wed Jul 22 00:43:05 EDT 1998 | P.L. Sorenson - Technical Consultant

| Who knows something about the reliability of plasti PEMS and its enhancemant by application of conformal coating (Parylene, metal, SiO2, SiNxOx, etc.) ? My personal experience using PEM for military avionics applications has been very positive. H

Re: Reliability of coated Plastic encapsulated Microcircuits

Electronics Forum | Wed Jul 22 15:48:35 EDT 1998 | David Pinsky

| | Who knows something about the reliability of plasti PEMS and its enhancemant by application of conformal coating (Parylene, metal, SiO2, SiNxOx, etc.) ? | My personal experience using PEM for military avionics | applications has been very positi

Conformal coating rework jumpers

Electronics Forum | Tue Oct 04 20:31:16 EDT 2016 | davef

IPC-7721, Section 6.1, Jumper Wires, Jumper Wire Selection #5 states: "Recommended wire is solid, insulated, plated copper wire, 22 to 32 AWG with a heat resistant insulation. Wire with tin-lead plating may be restricted due to environmental laws."

Bare board suppliers

Electronics Forum | Wed Nov 18 10:45:22 EST 1998 | David Reese

Our company has been building high rel military products for over 15 years. Over that time we have reduced our bare board suppliers to two companies that specilize in 55110 QPL product. I am now faced with a requirement for 6000 4 layer boards to

Insufficient Heel Fillets on plastic 240 pin QFPs

Electronics Forum | Thu Mar 22 17:31:08 EST 2001 | davef

Hold off on the sharp knife for little bit. [Yano, I get "queasy" when I see much of my blood, but other people�s blood doesn�t bother me much. Weird, eh?] [Oh bye-da-bye, I didn�t win the bar bet on "Ground Hog Day". I didn�t loose it either. T

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