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/