glen65 Posted December 10, 2005 Report Posted December 10, 2005 I have a 3 pin regulator and have not had any luckcomming up with an exact description of the part.All that Ive been able to establish is that it was made by National Semiconductor (it has thier logo)I checked thier website but came up empty handed.It is a TO92 case. the number layout is as follows.Nationalsemiconductor 105 (theres a line over top the first two digits)logo here CA 42 33192these are all the numbers that are on the device.any help apreciated.thanks. Quote
MP Posted December 12, 2005 Report Posted December 12, 2005 How do you know it is a regulator and not a transistor?Any chance of you attaching a picture of it to your next post?MP Quote
glen65 Posted December 13, 2005 Author Report Posted December 13, 2005 There is a transistor right beside it.There is print on the board that identifies thejunctions as E-C-B. This on the other hand lables the terminals I -G-O Input guround and output.so Im fairly certain it is a regulator. I just needto find out what voltage it is The numbers I gave you are correct however there is a chance the parthas been relabled. I know this because I found some othercomponents where Im positive that this was the case. HoweverIm not sure with this one. The only thing I do know is that it is a TO-92 case regulator with the numbers I listed in the first post.If you're unable to find anything with those numbers I stonglysuspect that this one has been relabled also. If so then thereis not much that anyone will be able to do.Thanks for your time. Quote
MP Posted December 13, 2005 Report Posted December 13, 2005 If it is a functional circuit, you could measure the output. Attaching a pic would still help.MP Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.