Category:PCB Component Learning

Group Administrators: 1 | Group Member: 367 | Group Threads: 356

Electronic components are basic electronic element or electronic parts usually packaged in a discrete form with two or more connecting leads or metallic pads. Electronic Components are intended to be connected together, usually by soldering to a printed circuit board (PCB), to create an electronic circuit with a particular function.

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3 comments
698 views

Capacitor type for tube preamp

I recently bought a 12ax7 Baxandall tone control PCB from eBay. I'm a confused when trying to obtain capacitors as there are so many type and not sure of the required voltage. As the HT is 250V I'm go...(view more)

electro18
2017/2/8 18:57:12
3 comments
691 views

Audio board-to-board connections? SMA?

I am looking for a system to interconnect several PCBs with an audio signal. The connection should be low capacitance and able to withstand 3kV peak. I'd like something like the small SMA connec...(view more)

John?Inlow
2017/2/8 18:13:27
3 comments
607 views

MAT02 substitute

I'm looking for MAT02 substitute.(view more)

Andy
2017/2/8 16:12:45
1 comments
1273 views

ARM: New Chip Design Extends Battery Life

An overhaul of the company's chip design results in significantly longer battery life in IoT devices such as health monitors, smart home devices and sensors. ARM is trying to resolve the thorny ...(view more)

IngeniApp
2017/2/8 4:43:55
3 comments
756 views

Help with Ceramic Disc Capacitor Numbers

I need to replace this can someone please tell me what I am looking for and where I can buy a replacement. I think this is a disc capacitor. Here is some info, this is attached to an On/Off switch on ...(view more)

Paul Cunnane
2017/2/7 19:39:22
3 comments
752 views

Can someone help me identify these resistors please?

I need help identifying the type of resistor.(view more)

leonard.roussel
2017/2/7 19:37:49
3 comments
965 views

Searching for part CQ621G

Hello all, I hope somebody know this component. For repair some pcb`s i need a component, but i cant found nothing on the internet. Part nr. CQ621G Looks it`s from On-Semi. TO220 and...(view more)

Bard
2017/2/7 17:51:35
3 comments
787 views

Old Carbon Comp Resistors Increase in Value

I just re-did all the R's and C's in the preamp section of an aged Dynaco SCA-80. It was interesting to measure the resistors to see how they had changed. The design has mostly half-watt 5% carb...(view more)

Chicken Hacker
2017/2/7 17:42:37
1 comments
1314 views

Driven Shield Handles Large-Area Capacitive Sensor

Capacitive sensors are common in today’s consumer electronics, since they are used in many touchscreen applications. Most of the circuits for such applications are designed for small-area capacitors a...(view more)

hakan kaynar
2017/2/7 4:07:31
1 comments
704 views

Non-magnetic parts list

I'd like to have a non-magnetic parts list here on the forum, as this seems to be a 'item of concern' for the more aware of us, when it comes to sonic quality-at it's finest. I ended up thinking about...(view more)

Adrian Voroniuc
2017/2/6 20:52:16

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