Agreed!
Scott Pallman
SMT Department Manager
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TEL: 203.288.5605
25 Marne Street
Hamden, CT 06514
FAX: 203.288.9202
www.cicems.com
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-----Original Message-----
From: Bush, Brien [mailto:[log in to unmask]]
Sent: Thursday, February 20, 2014 7:57 AM
To: 'TechNet E-Mail Forum'; Scott Pallman
Subject: RE: [TN] SOT 23 Rework Time? - Bayesian Filter detected spam
It would also depend on any challenges associated with replacement. Board thickness is a major factor as well as the amount of ground plane, proximity of adjacent components, organic or no clean flux, tin lead or lead free.
Brien Bush
Cirtronics corp.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Scott Pallman
Sent: Thursday, February 20, 2014 7:02 AM
To: [log in to unmask]
Subject: Re: [TN] SOT 23 Rework Time? - Bayesian Filter detected spam
I would use a underside pre-heat unit and a hot air pencil.
Removal, flux pen with a no-clean flux (if possible) and replacement time could be as quick as one minute depending on substrate composition, solder alloy and operator skill.
Use caution to not overheat or ramp up the temperature on the device too quickly so as not to damage the device.
Scott Pallman
SMT Department Manager
[log in to unmask]
TEL: 203.288.5605
25 Marne Street
Hamden, CT 06514
FAX: 203.288.9202
www.cicems.com
This email is confidential. It may be legally privileged. If you are not the addressee, you may not copy, forward or disclose or use any part of it. If you have read this message by error please delete it and all copies from your system, and notify the sender immediately by return email. Internet communications cannot be guaranteed to be timely, secure, error or virus-free. The sender does not accept liability for any errors, or omissions.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bob Wettermann
Sent: Wednesday, February 19, 2014 5:24 PM
To: [log in to unmask]
Subject: [TN] SOT 23 Rework Time?
Hi All:
What is a "good" time for removal and replacement of an SOT23? Steps are ID, remove, site dress, replace with new, clean using IPA and inspect per Class II,
My average time is 3 minutes across several operators.
Thanks!
Bob Wettermann
BEST Inc
[log in to unmask]
Cell: 847-767-5745
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