Steve

Do you think brokers broke them? Sounds reasonable! At least they would 
send them reeling.

Waited until Friday to post this!

Brian

Steve Gregory wrote:
> Good Morning Juan!
> 
> I have your pictures posted. They are here:
> 
> http://stevezeva.homestead.com/files/JTX1N4148_UR1_003.jpg
> 
> http://stevezeva.homestead.com/files/JANTX1N4148_UR1_004.jpg
> 
> http://stevezeva.homestead.com/files/JANTX1N4148_UR1_001.jpg
> 
> I'm with Inge on this one. These cracks are in the body, not good. There is something I have noticed in two of the pictures, UR1_004 and UR_001, is that the glass seems discolored right next to the termination, which to me indicates that they may have been thermally shocked.
> 
> Do you know where these diodes were purchased from? Brokers maybe? Maybe salvaged off some boards? Poorly pre-tinned to restore solderability?
> 
> I wouldn't use them...
> 
> Steve Gregory
> 
> 
> 
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Juan T. Marugán
> Sent: Thursday, October 11, 2007 5:25 AM
> To: [log in to unmask]
> Subject: [TN] Cracks in the body of glass diodes (JANTX1N4148UR1)
> 
> Good Morning,
> 
> In a certain number of SMD diodes we have detected what we consider as a crack in the glass body of the diode. This condition was already present in the diodes packaged in a reel, that is, before mounting in the PWAs.
> 
> What we cannot determine yet is if this condition could be acceptable. Could you help us through your valuable opinions?
> 
> PD: I have sent 3 photographs to Steve Gregory.
> 
> Thank you in advance. 
> 
> Juan T. Marugán López
> Indra Sistemas SA
> Supply Chain Management (SCM)
> Production Quality
>  
> C/ Joaquín Rodrigo 11
> 28300 Aranjuez - Madrid (SPAIN)
>  
> 
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