Soldering temperature for PCB?

jholtz · 5th June 2005, 04:43 PM

I just purchased an adjustable heat soldering station and wondered what heat I should use when doing cap replacement etc. on circuit boards. I've had trouble in the past with the cheap irons that I bought from Radio Shack on the thin PCB's in Sony and Philips DVD players lifting and vaporizing traces. Part of it was my inept solderng skills but the iron was a problem too.
The soldering station has a working temperature of 392-896 deg F. Recommendations?

Thank you!

Jim

Netlist · 5th June 2005, 05:01 PM

Something like 400°C and a clean soldering tip can do wonders.
Oops, I see you are talking °F and thought you couldn't go lower then 392°C. Now, 392°F = 200°C so try something like 570°F to start with.

/Hugo

Pbassred · 5th June 2005, 05:55 PM

Has the USA gone to lead-free solder yet? The rest of the world is going that way but the USA doesn't see to sign environmental accords. The melting point of Pb/SN is 183°C (361°F) Whereas Lead free is more like 210 °C (410°F) .

jholtz · 6th June 2005, 02:49 AM

Hugo,

Thank you for your response. I'll give it a try.

Jim

Quote:

Originally posted by Netlist
Something like 400°C and a clean soldering tip can do wonders.
Oops, I see you are talking °F and thought you couldn't go lower then 392°C. Now, 392°F = 200°C so try something like 570°F to start with.

/Hugo

seoman · 6th June 2005, 09:18 AM

When i replace elkos
i first pull the case from the pcb

just push the case sideways this will disconnect the pins from the alu.foil
Nou you can easally desolder the remaining pins wich are much more easy to heat up.

This will work with the normal coaxial versions. But not the really large ones.

Regards
Simon

5th June 2005, 04:43 PM	#1
jholtz diyAudio Member Join Date: Oct 2003 Location: Midwest	Soldering temperature for PCB? I just purchased an adjustable heat soldering station and wondered what heat I should use when doing cap replacement etc. on circuit boards. I've had trouble in the past with the cheap irons that I bought from Radio Shack on the thin PCB's in Sony and Philips DVD players lifting and vaporizing traces. Part of it was my inept solderng skills but the iron was a problem too. The soldering station has a working temperature of 392-896 deg F. Recommendations? Thank you! Jim

5th June 2005, 05:55 PM	#3
Pbassred diyAudio Member Join Date: Nov 2003 Location: N London	Has the USA gone to lead-free solder yet? The rest of the world is going that way but the USA doesn't see to sign environmental accords. The melting point of Pb/SN is 183°C (361°F) Whereas Lead free is more like 210 °C (410°F) . __________________ Jeeees! I only asked www.davethebass.com

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5th June 2005, 05:01 PM	#2
Netlist diyAudio Moderator Join Date: Jan 2003	Something like 400°C and a clean soldering tip can do wonders. Oops, I see you are talking °F and thought you couldn't go lower then 392°C. Now, 392°F = 200°C so try something like 570°F to start with. /Hugo

6th June 2005, 09:18 AM	#5
seoman diyAudio Member Join Date: Apr 2004 Location: Nijmegen	When i replace elkos i first pull the case from the pcb just push the case sideways this will disconnect the pins from the alu.foil Nou you can easally desolder the remaining pins wich are much more easy to heat up. This will work with the normal coaxial versions. But not the really large ones. Regards Simon

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