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Please see below the list of the most recent and the best rated articles in Electronic Components

The most recent discussions

Bipolar Semiconductor and SMD Ident database update

December 5, 2017, 3:34 pm

Bipolar Semiconductor and SMD Ident database update The bipolar semiconductor, package outline and surface mount mark spreadsheets are updated at: http://www.magma.ca/~legg/ Some duplications and... Read more »

HRB clean/safe atomic cascade neuclear reactors

November 2, 2017, 10:22 am

[Magizian] http://grex.org/~god http://shell.bshellz.net/~god Charged one of my spruced android devices this morning off one of my c... Read more »

I2C relay boards.

October 26, 2017, 12:33 am

I have need for a 8-16 channel I2C in, relay out expansion board. We're now using: but the shipping is insane. So I'm seeking an alternative supplier. I figure one approach is to find a forum... Read more »

Potentiometer question

October 22, 2017, 10:37 pm

I acquired a Peavey commercial rack mount equalizer from the mid to late 80s. It appears to work well, aside from two problems. First, the AC power switch was bad. I temporarily just jumped it, til... Read more »

Li-Polymer Batteries

  [ 2 ]
October 16, 2017, 2:16 pm

I'm looking at buying these batteries for a test project and they ask the buyer to choose between battery types 357090 & 357095. I can't find any references anywhere that describe what these mod... Read more »


  [ 2 ]
October 14, 2017, 6:16 pm

I have futilely been seeking 100A 3ph NC/Form B relays/contactors. It seems they are all stashed in the unicorn eggs box, sigh. So a second design approach involves dual coil relays. The flavor I ... Read more »

recuperated transistors : igbt or mosfet ?

October 8, 2017, 2:31 pm

Hi, I recuperated a lot of semiconductors but I now face the identification of these item, principally mosfet and igbt. How can I identify the one from the other with e.g. a dmm ? Kind regards, ... Read more »

Pre-1979 Nat Semi 4-pin sensor

September 30, 2017, 1:04 am

I have a 4-pin sensor with a Natioinal Semiconductor logo and /831 on the body. The body has the loose appearance of an 8-pin IC that's been cut in half, through the package center line (leaving ... Read more »

Microdisplay Market: Key Trends, Demand, Growth, Size, Review, Share, Analy...

September 26, 2017, 11:21 am

Microdisplay market is expected to grow US$ 8942.3 million by 2025 from US$ 845.3 million in 2016. The sales of Microdisplays is largely influenced by numerous economic and non-economic factors. ... Read more »

IC header cables

September 22, 2017, 3:17 pm

I've seen what I need: a 16 pin DIP header that plugs into an ordinary IC socket, but one with a ribbon cable coming off it. But now that I need to buy one, I can't find the right terms to define ... 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?

  [ 2 3 ]

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 »