Electronics Forum: 221 (Page 1 of 6)

Re: Alloy melting Points

Electronics Forum | Fri Nov 05 15:44:50 EST 1999 | Tim Jensen

Brian, 96.5Sn/3.5Ag is eutectic at 221 C 95Sn/5Ag has a melting range of 221 - 240 C Hope that helps you out...

Panasonic BM221 Password/Reset

Electronics Forum | Mon Jul 08 11:19:55 EDT 2019 | jwwolf

How can I get past error codes upon startup of a Panasonic BM221? There is a password required and this machine was acquired from an auction. Are there default passwords, or is there a way to reset the machine? Thanks

Solder not reflowing properly

Electronics Forum | Thu Aug 28 18:48:49 EDT 2008 | markhoch

You're using a SAC305 chemistry? Double check your liquidus temp! Your profile shows a liquidus temp of 217 degrees C. SAC305 is not eutectic. (It doesn't transition from paste to liquid instantly). It goes thru a "pasty" stage. We use a temp of 221

High temperature solder paste for gold plated MCMs

Electronics Forum | Wed Jan 26 13:43:06 EST 2000 | Tuan Bui

221 degree C) to achieve good wetting and shiny filet. Comments and recommedations are welcome.

SMT LINE CHOICE

Electronics Forum | Wed Apr 11 02:03:17 EDT 2018 | robl

Good call, and if you're looking at NXT, then this could be worth investigating: https://www.equipmatching.com/used_equipment/2/221/392844.php

ESD floor paint/coating

Electronics Forum | Fri Jan 05 11:42:15 EST 2001 | John

We are planning out an expansion project. Currently we have vinyl esd tile in our production area. We've found this to be expensive, easy to damage, and a pain to repair. Has anyone had any experience with ESD floor coatings/paints??? Any advice

Re: ESD floor paint/coating

Electronics Forum | Fri Jan 05 13:56:41 EST 2001 | csullivan

We currently use a "wax" ESD coating on our floor. It is cheap and easy to repair. However, the maintenace on it is extensive. It also needs to be re-"waxed" quite often. There are permant coatings out there. I have started to look into these pro

Lead Free Solder used in BGA

Electronics Forum | Mon Jan 11 09:00:17 EST 1999 | Kelvin Chow

Some of my friends ask me if sombody use lead free solder ball on BGA, espically PBGA packages. I wonder if 96.5Sn/3.5Ag (m.p .221 oC) or 58Bi/42Sn (m.p. 138 oC) would be suitable candidates? Do you have any experience on this subject? Kelvin

Component description

Electronics Forum | Mon Dec 23 09:59:25 EST 2002 | jonfox

Typically 1% resistors indicate the decimal position with an "R" 22R1 most likely means 22.1 ohm. Again the best answer is to go to the manufacturer's website to learn how to properly identify the particular component. The ones that really confuse

Component description

Electronics Forum | Mon Dec 23 09:59:32 EST 2002 | jonfox

Typically 1% resistors indicate the decimal position with an "R" 22R1 most likely means 22.1 ohm. Again the best answer is to go to the manufacturer's website to learn how to properly identify the particular component. The ones that really confuse

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221 searches for Companies, Equipment, Machines, Suppliers & Information

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