It is probably still a good PWB lot, but I would bake for a few hours to remove the moisture, per the IPC-1601 standard referenced. After baking, allow to reach room temperature inside of a desiccation box or process within 8 hours through reflow.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of SALA GABRIELE
Sent: Wednesday, April 30, 2014 2:10 PM
To: [log in to unmask]
Subject: [TN] R: [TN] PCB Humidity

Hi Juliano,

this standard gives worthy guidelines:

IPC-1601  Printed Board Handling and Storage Guidelines.

http://www.ipc.org/TOC/IPC-1601.pdf

Gabriele


-----Messaggio originale-----
Da: TechNet [mailto:[log in to unmask]] Per conto di Datacom - Juliano Ribeiro
Inviato: mercoledì 30 aprile 2014 19.57
A: [log in to unmask]
Oggetto: [TN] PCB Humidity

Hi to all,

We received a PCB lot with HIC more than 10% but less than 60%.

What is IPC/JEDEC or others specifications to Humidity limits to PCB?

Is it good or no good PCB?

 

Thank you

_____________________________

Juliano Bettim Ribeiro

DATACOM 

ENGENHARIA DE PROCESSOS 
Rua América Nº 1000 - Eldorado do Sul - RS CEP: 92990-000 
+55 (51) 8446-2135

+55 (51) 3933-3000 

Ramal: 3877
 <mailto:[log in to unmask]> [log in to unmask] 
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