[SI-LIST] Re: Failed Tantalum capacitors - package hermeticity compromised
- From: "Tom Myers" <myers@xxxxxxxxxxxxxxxxxxxxx>
- To: "Salkow, Steven" <steven.salkow@xxxxxxxx>
- Date: Tue, 27 Jan 2009 08:20:42 -0800
Speaking of Tantalum Caps, we need to hire a Process Engineer for Tantalums.
The job is in MA and is full time with benefits and relo.
Anyone interested, please send a resume to myers@xxxxxxxxxxxxxxxxxxxxx
I will then contact you with more details.
Tom Myers
www.electroniccareers.com
310.317.6113
----- Original Message -----
From: "Salkow, Steven" <steven.salkow@xxxxxxxx>
To: <si-list@xxxxxxxxxxxxx>
Cc: "EPICenter pwb-cca Email Forum" <pwb-cca@xxxxxxxxxxxxx>
Sent: Monday, January 26, 2009 5:40 PM
Subject: [SI-LIST] Failed Tantalum capacitors - package hermeticity
compromised
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> Recently we have had some tantalum capacitors rated at 16V fail on turn
> of in a 12V circuit. While some percentage of low ESR capacitors
> experience a high surge infant mortality on first turn on unless
> serrated by 50% or more, these capacitor were sent for additional
> electrical screening at an independent test house.
>
> Just as a precaution we decided to also sample test the lot for package
> hermeticity by conducting a bubble test. 25 samples were picked at
> random from the lot of 450 and 100% of these failed bubble test.
>
> Has anyone had this problem before? Has any had counterfeit capacitors?
>
> Steven Salkow
> Lockheed IS&S
> 3130 Zanker Rd, San Jose
> Ca. 95134
> (408) 473-4058
> H: (925) 462-1075
> steven.salkow@xxxxxxxx
> salkow@xxxxxxxxxxxx
>
>
>
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