Maximum Lead Temperature and Maximum Time for Soldering

Answer:

Question: What is the maximum lead temperature to be used for Cypress parts for soldering? What is the maximum time for which the part can stay in the temperature range of +5 degC?

Response: Refer the below table for maximum temperature and maximum time for soldering for Cypress Lead and Lead free parts.

 

                                                                                                                                                                                                             
           

Reflow Conditions

 

           
           

Pb-Free Assembly

 

           
           

Sn-Pb Eutectic Assembly

 

           
           

Peak Temperature (Tp)

 

           
           

260 degC

 

           
           

220 degC

 

           
           

235 degC

 

           
           

Time within 5oC of actual Peak Temp (tp)

 

           
           

10 to 20 Seconds

 

           
           

10 to 20 Seconds

           
           

10 to 20Seconds