If you have learned something useful, maybe it was worth it. Jerry Silverman Greentron Inc 4 Newland Ave Greenville SC 29609 Fax/Phone 864 232 3889 mail to: greentron@xxxxxxx ----- Original Message ----- From: <BOSS1996@xxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Saturday, October 09, 2004 11:17 AM Subject: [TechAssist] Re: Heat sink compound > Guys, please don't take this wrong, but has'nt this topic been beat to death > by now? I'm getting tired of seeing "heat sink compound" in my e-mail 20 times > a day. Since this mailing list is very busy maybe we could limit these kind > of posts? > Robert Cardoza > Picture Perfect Electronics > Pembroke Pines, Fla > 954-435-5868 > > > > > > In a message dated 10/9/2004 11:10:21 AM Eastern Daylight Time, > jr.myers@xxxxxxxxxxx writes: > Use cake mix if you want, all it does is fill in the pits so there is a > smooth surface for better heat transfer. Elmers maybe if you don't have > any Betty Crocker boxes around. > **************************************************************************** ** > ************************************* > Since 1972 > Jim Myers > Telrad Electronics > Fort Wayne, Indiana > > > al m wrote: > > GEEZ guys my original question was which is better the silicone or the > > non-silicone. > > Al Marquardt > > ampm@xxxxxxx > > Al Marquardt Electronic Repair > > 206 W Main > > Girardville Pa. 17935 > > ----- Original Message ----- > > From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx> > > To: "Edward Gaidies" <techassist@xxxxxxxxxxxxx> > > Sent: Saturday, October 09, 2004 1:33 AM > > Subject: [TechAssist] Re: Heat sink compound > > > > > > > >>I agree. For those who are keeping score, at this time it appears to > >>be a draw. Heat sinks are never hotter than the device they are > >>cooling, and then again they are (several replies). > >> > >>Thanks for all your input > >> > >> > >>Bil Green > >>PC 1000 > >>Mammoth Lakes, CA 93546 > >>760-924-1000 > >> > >>Friday, October 8, 2004, 9:16:47 PM, you wrote: > >> > >>EG> Yes,;-) > >> > >>EG> Let it go... > >> > >>EG> It's like that question I asked my Secretary. > >> > >> > >>EG> I'm going down the Highway..in my Van. > >>EG> My speed is 70..Fly comes and sits on my nose,,I keep > >>swatting...buzzes > >>EG> around..relands on my nose. > >>EG> Now..is that fly using gravity..relation to motion..air relation..?? > >>EG> Some "Rednecks" will question the "70" for miles or Kms. Never mind. > >>;-) > >> > >> > >>EG> -Ed- > >>EG> ***************************************************************** > >>EG> Ed Gaidies > >>EG> Tel-Tek Electronics > >>EG> Ontario-Canada > >>EG> teltek3@xxxxxxxxxxxx > >>EG> teltek@xxxxxxxxx > >> > >>EG> On 9-Oct-04, at 12:03 AM, Bil Green wrote: > >> > >> > >>>>I am simply reporting what I have noticed when touching the plastic > >>>>body of the transistor or chip. And another tech mentioned the same > >>>>thing in his post. > >>>> > >>>>When you try to remove a plastic container from a 350 degree oven > >>>>it doesn't feel anywhere near as hot as a glass container. So maybe > >>>>the plastic portion of the transistor isn't as hot. > >>>> > >>>>I can hold my finger on a hot HOT for a few seconds, but often the > >>>>heat sink is too hot to even touch. Do you guys think this is just > >>>>my imagination? > >>>> > >>>> > >>>> > >>>>Bil Green > >>>>PC 1000 > >>>>Mammoth Lakes, CA 93546 > >>>>760-924-1000 > >>>> > >>>>Friday, October 8, 2004, 7:39:43 PM, you wrote: > >>>> > >>>>gjc> Come on Bill, > >>>> > >>>>gjc> I respect you and very much enjoy your posts. But, it is > >>>>impossible for > >>>>gjc> a heat sink to be hotter than the transistor attached to it. I > >>>>have a > >>>>gjc> laser thermometer that I use. NEVER have I seen the heat sink to > >>>>be > >>>>gjc> hotter than the transistor. After all, where does the heat come > >>>>from? > >>>> > >>>>gjc> Plastic transistors are hardest to test, but the highest > >>>>temperature > >>>>gjc> measured would be equal to or lower than the actual temp. of the > >>>>gjc> semiconductor. > >>>> > >>>> > >>>>gjc> Ken Smith > >>>>gjc> Gulf Technical Services > >>>>gjc> 3034 Gulf Breeze Parkway > >>>>gjc> Gulf Breeze, FL 32563 > >>>>gjc> 850-934-8324 (Voice), 850-932-0819 (fax) > >>>> > >>>>gjc> On Fri, 8 Oct 2004 14:00:41 -0700 Bil Green > >>>><tv.vcrrepair@xxxxxxxxxxx> > >>>>gjc> writes: > >>>> > >>>>>>Actually I'm right. When you place your finger against the plastic > >>>>>>section of a transistor or IC which is on a heat sink the > >>>>>>temperature usually feels cooler the heat sink. > >>>>>> > >>>>>>You can't place your finger on the rear (often metal) side which is > >>>>>>against the heat sink (and may be much hotter). > >>>>>> > >>>>>>But the heat sink is often hot enough to burn your finger (and > >>>>>>often the device is definitely NOT). Now maybe the plastic just > >>>>>>doesn't transfer the heat to your finger very well. I'm don't care > >>>>>>about science at this point, only what I see or feel. > >>>>>> > >>>>>> > >>>>>>Bil Green > >>>>>>PC 1000 > >>>>>>Mammoth Lakes, CA 93546 > >>>>>>760-924-1000 > >>>>>> > >>>>>>Friday, October 8, 2004, 1:22:50 PM, you wrote: > >>>>>> > >>>>>>TTE> Bil... > >>>>>>TTE> Now you know better then that. > >>>>>>TTE> Basic Science.;-) > >>>>>>TTE> That would be Thermal Energy in reverse. The source has to be > >>>>>>more then > >>>>>>TTE> the dissipation. > >>>>>> > >>>>>>TTE> Ask Wayne.;-) > >>>>>> > >>>>>>TTE> -Ed- > >>>>>> > >>>>>>TTE> Tel-Tek Electronics > >>>>>>TTE> Ontario-Canada > >>>>>> > >>>>>>TTE> teltek3@xxxxxxxxxxxx > >>>>>>TTE> teltek@xxxxxxxxx > >>>>>> > >>>>>> > >>>>>>TTE> -----Original Message----- > >>>>>>TTE> From: techassist-bounce@xxxxxxxxxxxxx > >>>>>>TTE> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Bil Green > >>>>>>TTE> Sent: Friday, October 08, 2004 3:57 PM > >>>>>>TTE> To: J Silverman > >>>>>>TTE> Subject: [TechAssist] Re: Heat sink compound > >>>>>> > >>>>>>TTE> Isn't the heat sink always hotter than the device? Heat rises > >>>>>>and is > >>>>>>TTE> stored by the heat sink. > >>>>>> > >>>>>> > >>>>>>TTE> Bil Green > >>>>>>TTE> PC 1000 > >>>>>>TTE> Mammoth Lakes, CA 93546 > >>>>>>TTE> 760-924-1000 > >>>>>> > >>>>>>TTE> Friday, October 8, 2004, 9:50:46 AM, you wrote: > >>>>>> > >>>>>>JS>> So it sucks so much heat out that the heat sink is hotter than > >>>>>>the > >>>>>>TTE> devices > >>>>>>JS>> doing the heating? Patent it quick! > >>>>>>JS>> Jerry Silverman > >>>>>>JS>> Greentron Inc > >>>>>>JS>> 4 Newland Ave > >>>>>>JS>> Greenville SC 29609 > >>>>>>JS>> Fax/Phone 864 232 3889 > >>>>>>JS>> mail to: greentron@xxxxxxx > >>>>>>JS>> ----- Original Message ----- > >>>>>>JS>> From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx> > >>>>>>JS>> To: "Paul" <techassist@xxxxxxxxxxxxx> > >>>>>>JS>> Sent: Thursday, October 07, 2004 4:46 PM > >>>>>>JS>> Subject: [TechAssist] Re: Heat sink compound > >>>>>> > >>>>>> > >>>>>> > >>>>>>>>>I have been using silicone grease. It's available in a tube, > >>>>>> > >>>>>>used for > >>>>>> > >>>>>>>>>servicing pools and hot tubs, also boats. Designed for high heat > >>>>>>>>>applications. Has worked well for many years (and it's clear). > >>>>>>>>> > >>>>>>>>>The heat sinks get much hotter than the transistors and chips so > >>>>>> > >>>>>>I > >>>>>> > >>>>>>>>>know for sure that it's working. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>>Bil Green > >>>>>>>>>PC 1000 > >>>>>>>>>Mammoth Lakes, CA 93546 > >>>>>>>>>760-924-1000 > >>>>>>>>> > >>>>>>>>>Thursday, October 7, 2004, 10:10:38 AM, you wrote: > >>>>>>>>> > >>>>>>>>>P> Hi Al, been using GC silicone 10-8101 for about 20 years. > >>>>>> > >>>>>>Never > >>>>>>TTE> had a > >>>>>>JS>> repeat failure due to its use. I like it because it is less > >>>>>>messy > >>>>>>TTE> than the > >>>>>>JS>> white or pink stuff the mfgs use. > >>>>>> > >>>>>>>>>P> > >>>>>> > >>>>>>JS>> Paul > >>>>>> > >>>>>>>>>P> al m <ampm@xxxxxxx> wrote: > >>>>>>>>>P> I know it's off topic but I haven't thought of what I was > >>>>>> > >>>>>>buying > >>>>>>JS>> before. > >>>>>> > >>>>>>>>>P> Which is better the non silicone or the silicone compound? > >>>>>>>>>P> Al Marquardt > >>>>>>>>>P> ampm@xxxxxxx > >>>>>>>>>P> Al Marquardt Electronic Repair > >>>>>>>>>P> 206 W Main > >>>>>>>>>P> Girardville Pa. 17935 > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>> > >>>>>>P>>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>- > >>>> > >>>>>>TTE> - > >>>>>>JS>> ---- > >>>>>> > >>>>>>>>>P> Lost Password: > >>>>>>>>>P> http://www.tech-assist.org and select "Login Problems?". > >>>>>>>>>P> Email Archives: > >>>>>>>>>P> //www.freelists.org/archives/techassist/ > >>>>>>>>> > >>>>>>>>> > >>>>>>>>>P> Paul ,B > >>>>>>>>>P> Central TV&Video > >>>>>>>>>P> 911W Grand Ave > >>>>>>>>>P> Grover Beach Ca. > >>>>>>>>>P> (805)481-8084 > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>> > >>>>>>P>>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>- > >>>> > >>>>>>TTE> - > >>>>>>JS>> ---- > >>>>>> > >>>>>>>>>P> Lost Password: > >>>>>>>>>P> http://www.tech-assist.org and select "Login Problems?". > >>>>>>>>>P> Email Archives: > >>>>>>>>>P> //www.freelists.org/archives/techassist/ > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>- > >>>> > >>>>>>TTE> -- > >>>>>>JS>> --- > >>>>>> > >>>>>>>>>Lost Password: > >>>>>>>>>http://www.tech-assist.org and select "Login Problems?". > >>>>>>>>>Email Archives: > >>>>>>>>>//www.freelists.org/archives/techassist/ > >>>>>> > >>>>>> > >>>>>>JS>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>- > >>>> > >>>>>>TTE> ----- > >>>>>>JS>> Lost Password: > >>>>>>JS>> http://www.tech-assist.org and select "Login Problems?". > >>>>>>JS>> Email Archives: > >>>>>>JS>> //www.freelists.org/archives/techassist/ > >>>>>> > >>>>>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>- > >>>> > >>>>>>TTE> ----- > >>>>>>TTE> Lost Password: > >>>>>>TTE> http://www.tech-assist.org and select "Login Problems?". > >>>>>>TTE> Email Archives: > >>>>>>TTE> //www.freelists.org/archives/techassist/ > >>>>>> > >>>>>> > >>>>>>TTE> > >>>>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>-- > >>>>gjc> ---- > >>>> > >>>>>>TTE> Lost Password: > >>>>>>TTE> http://www.tech-assist.org and select "Login Problems?". > >>>>>>TTE> Email Archives: > >>>>>>TTE> //www.freelists.org/archives/techassist/ > >>>>>> > >>>>>> > >>>>>> > >>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>-- > >>>>gjc> ---- > >>>> > >>>>>>Lost Password: > >>>>>>http://www.tech-assist.org and select "Login Problems?". > >>>>>>Email Archives: > >>>>>>//www.freelists.org/archives/techassist/ > >>>>>> > >>>>>> > >>>> > >>>>gjc> > >>>>----------------------------------------------------------------------- > >>>>------ > >>>>gjc> Lost Password: > >>>>gjc> http://www.tech-assist.org and select "Login Problems?". > >>>>gjc> Email Archives: > >>>>gjc> //www.freelists.org/archives/techassist/ > >>>> > >>>> > >>>>----------------------------------------------------------------------- > >>>>------ > >>>>Lost Password: > >>>>http://www.tech-assist.org and select "Login Problems?". > >>>>Email Archives: > >>>>//www.freelists.org/archives/techassist/ > >>>> > >> > >> > >>EG> > -------------------------------------------------------------------------- --- > >>EG> Lost Password: > >>EG> http://www.tech-assist.org and select "Login Problems?". > >>EG> Email Archives: > >>EG> //www.freelists.org/archives/techassist/ > >> > >> > >>-------------------------------------------------------------------------- -- > - > >>Lost Password: > >>http://www.tech-assist.org and select "Login Problems?". > >>Email Archives: > >>//www.freelists.org/archives/techassist/ > >> > >> > > > > Guys, please don't take this wrong, but has'nt this topic been beat to > death by now? I'm getting tired of seeing "heat sink compound" in my e-mail 20 > times a day. Since this mailing list is very busy maybe we could limit these kind > of posts? > > > > > > > > > > > > > > -------------------------------------------------------------------------- --- > > Lost Password: > > http://www.tech-assist.org and select "Login Problems?". > > Email Archives: > > //www.freelists.org/archives/techassist/ > > > > -------------------------------------------------------------------------- --- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > > > > -------------------------------------------------------------------------- --- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". 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