[sdiy] mixing metals

[Oren Leavitt]

Agreed,
I have a mix of Pb and Pb-free parts and never had a problem soldering 
them - Kester 245, Kester 331, Kester 44, Weller WTCPT w/700°F tip.

- Oren

Seb Francis wrote:
> Tom Arnold wrote:
> 
>> On Thu, Jun 22, 2006 at 06:23:33PM -0700, Tavys Ashcroft wrote:
>>  
>>
>>> Is there any negative effect on longevity when using lead and
>>> lead-free components together with lead solder?  I know that some
>>> metal alloys don't play well together and can cause to corrosion.
>>>     
>>
>>
>> I'm sure you will get tons of replies on this.
>>
>> Lead solder works on lead-free parts,
>> Lead-free solder is not so good on leaded parts.
>>   
> 
> 
> Yep, what Tom said ... just avoid lead-free solder completely unless you 
> really have to be RoHS compliant.  It melts at a higher temperature and 
> is not so nice to work with.  Plus as Tom said, it won't work well with 
> leaded parts.
> 
> I think most lead-free parts/PCBs are coated with tin or silver, so 
> these metals will work fine with normal tin/lead solder.  Some leaded 
> solders have a small amount of silver in also (typically 62% tin, 36% 
> lead, 2% silver) so as you can see these metals mix just fine.
> 
> Seb
> 
> 
> 
>