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SMT component temperature spec

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#82097

SMT component temperature spec | 4 March, 2019

What temperature spec are people using in the industry to make sure an electronic component is SMT reflow compatible ?

Ex. I have some parts that I want to possibly process as Pin in Paste but am not sure what temperature ratings the plastic will meet ?

All Lead-free compatible. Appreciate the help.

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#82101

SMT component temperature spec | 4 March, 2019

The lowest peak temp. I've had the pleasure of working with is 240°C +/- 5°C.

I can't imagine a manufacturer going much below that and still saying it's lead-free compatible.

It would be interesting to know just how much TAL plays into the affects on a pin-in-paste reflow too. IOW, can 30 seconds above liquidus do more damage than a momentary peak of 240?

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#82764

SMT component temperature spec | 11 June, 2019

What type of product are you talking about in SMT? The SMT05E series are non-isolated DC/DC converters packaged in a surface mount footprintgiving designers a cost effective solution for conversion from a 3.3V to 5V source. Operating Temperature is -40°C ~ 85°C。 The SMT05Ehas a wide inputtrange (3.0V to 5.5V) and offers a wide 0.75V to 3.63V output voltage range witha 5A load, which allows for maximum design flexibility and a pathway for future upgrades. The SMT05E is designed for applications that include distributed power, workstations, optical network and wireless applications. Reference source: http://www.winsupport-ic.com/product-detailed/artesyn-embedded-technologies/smt05e-05w3v3.html

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#82779

SMT component temperature spec | 12 June, 2019

SMT reflow soldering temperature setting and process flow:   The influence of SMT reflow process parameters on the key parameters of reflow soldering temperature curve provides reference for the setting and adjustment of reflow soldering process parameters. The reflow soldering temperature curve of SMT surface adhesion technology includes four parts: preheating, wetting, reflow and cooling. The following are personal collections on the Internet. If there are errors or deviations, please ask your predecessors for advice. SMT reflow oven soldering in the electronics manufacturing industry is an important process in the assembly of PCBA electronic circuit boards. If you do not master it well, not only will there be many "temporary faults" but also directly affect the life of the solder joints. SMT reflow soldering thermometers are almost all available, but many users do not have temperature measurement certification for all products, adjust the temperature settings; some users use temperature measurement, but do not master the welding process points, and can not optimize the process; As a result, a lot of electricity costs are wasted, and the quality of the products is not well protected! Correctly set the reflow oven temperature curve to save energy and protect the environment:http://www.endezohk.com

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#82785

SMT component temperature spec | 12 June, 2019

IOW, profiling good, here's some stuff for sale.

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