Electronics > Manufacturing & Assembly

Ersa ERS 250p reflow oven opinion

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mtkapala:
Hello everyone on the forum

I am thinking of buying a small quite old ERSA ERS 250p reflow oven for the production of prototypes and small series. Unfortunately, it's hard to find information about this oven on the Internet. Is there anyone on the forum who used this reflow oven and is able to write its pros / cons? The oven I want to buy is used but in good condition.

Can you successfully solder BGA elements and small 0201 elements with this furnace?


Regards
Mateusz

tooki:
Why would the component size be dependent on the oven? That depends on the PCB layout and solder paste stencil, and having an appropriate reflow profile.

SMTech:

--- Quote from: tooki on December 03, 2022, 02:08:06 pm ---Why would the component size be dependent on the oven? That depends on the PCB layout and solder paste stencil, and having an appropriate reflow profile.

--- End quote ---

Yes and no, uneven heating could increase the risk of tombstoning on smaller parts. Equally in forced air convection reflow an oven that needs to run the blowers pretty hard to meet your profile might blow things off the board. An older, smaller oven might struggle to produce a decent profile for lead-free processes, that might mean it burns through fans and heaters more quickly, or it just sucks at it.

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