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The most recent discussions

Test banks and solution manuals for university books for $25 each

July 29, 2017, 7:09 pm

Download Test banks and solution manuals for university books for $25 each ! Authentic and genuine sale only. Email us at student4g@outlook.com if you need to buy any test bank or solut ion manual... Read more »

Is there an 18V LM358?

July 17, 2017, 10:00 am

I made a circuit with some LM358, where I need very close to the maximum 32V power supply. It worked as expected up to about 21V - 22V, but above that, it started behaving strangely. I replaced the... Read more »

WII game console.

July 8, 2017, 6:04 pm

It doesn't look much in the way of component harvest, so it has a reprieve till I find out more about it. Does it do anything useful - or is it just a game console? Thanks. Read more »


July 2, 2017, 7:28 pm

Found this in a laptop battery and sort of guessed it might be a flash micro. Only found 1 data sheet - and its in Chinese. Can anyone help? Thanks. Read more »

Low voltage white LEDs.

May 11, 2017, 7:20 pm

First bicycle headlamps and now an under shelf light. I'm starting to find white LEDs that run from 2x AAA cells - can't find any boost circuit at all. Anyone got a link to a data sheet that expl... Read more »

Electronics repair Service Centre in Hyderabad | Econ Service Center

May 1, 2017, 5:55 am

The Samsung LG Electronics Service Centre in Hyderabad offers entire branded firm repair service like LG, Whirlpool, and Samsung brand successful way http://www.econservicecenter.com/electronics-ser... Read more »

Silicon Capacitor

April 30, 2017, 7:39 pm

My question: Has anyone used silicon capacitors for anything in the audio range? Is there any information to how they perform as far as audio related characteristics like harmonic distortion? Read more »

Motorola RCA 24718140 24712879

February 12, 2017, 5:17 pm

hello, From an 60's or 70's computer power supply I have those paired transistors but I am not able to find their figures. Three of them are Motorola's and the last one from RCA. Any Idea ? Wi... Read more »

Finding 100A TVS diode?

February 6, 2017, 8:25 pm

BZW6-26, 26v TVS unidirectional diode, through-hole, obsolete, n/a. The original datasheet says that the 600W peak pulse power is measured over 10/1000 uS waveform, but the 100A forward surge curr... Read more »

LA3607 likely fakes

December 27, 2016, 10:05 pm

I was just to order some LA3607 graphic equalizer chips from this seller (have other stuff in the cart from them) when realized that the chips in the photo are almost 100% fakes: there are traces... Read more »

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The best rated discussions


resistor color code help

Howdy all I have a resistor on a front panel tv control that has a 5 band color code of brn-blu-red-gold-grn. This resistor is not burnt but measures 1.62K ohms. from the color code I would suspect... Read more »


How solder to very fine enamelled woven wires in earphone lead?

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I have some Sony in-ear headphones. The lead to one earpiece has been cut through completely and I want to rejoin the two wires (which I will call 'conductors' to avoid confusion). The two 'conduc... Read more »


capacitor ESL measurement

Hello, Is there anyone know how to measure the ESL of film capacitor? Will there be any reference standard? Thanks, GS Read more »


Bell tone generator IC ?

Can any reader suggest a bell or chime tone generator IC that's presently available retail? In the past I've used parts like the SAB0600 - 8 pin DIP, hooks up directly to an 8 ohm loudspeaker, only r... Read more »


9v battery terminal blanks?

  [ 2 3 ]

I want to keep some NiMH rechargeable 9v batteries in my tool bag (well, my meter bag, actually). I am currently running a double loop of electrical tape around the entire battery to insulate the... Read more »


Stepper Motors and Hobby Motors

I have collected a huge amount of stepper motors and hobby motors from CD Roms, DVD players, toys, Audio equipment and just about any item that uses a motor. All motors are tested. If you are interes... Read more »