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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Can some one help me with this replacement part? Please

Am i right in assuming that 2SC1904 is replaced by BF459, or even BD232? There are two on my amplifier tone board and one has green disease on it's legs. Do i need to replace both? Thanks.(view more)

Andre Bosshard
2017/2/12 15:54:22
1 comments
1233 views

What amp do I need to power this jl sub?

Hi I have a jl sub with 300 watt rms and 2 edge 6x9's at 70 watt rms what amp do I need to power this thanks(view more)

Fly
2017/2/12 14:12:47
1 comments
955 views

Methods to get away from fake parts

Imagine the incidents such as an aircraft failing when in the air with boarded passengers, the medical equipment blurs off in the middle of the surgery, the missile misses the target and hits the own ...(view more)

Avery
2017/2/12 10:31:43
1 comments
943 views

How to Find Part Info Online

Before the Internet, every electronics engineer had his or her own little library of databooks and catalogs. If you designed digital circuits, the most widely-used data books were the Texas Instrument...(view more)

Mr. Atok Purnomo
2017/2/12 0:30:35
1 comments
1077 views

MOSFET small-signal output resistance

The Effect of Channel-Length Modulation In the two previous articles, we introduced the actively loaded MOSFET differential pair and discussed two prominent advantages of this configuration—name...(view more)

Andy
2017/2/11 23:53:22
1 comments
823 views

Anyone know of a switch with different plunger heights?

I need a small On-On DPDT latching switch that has a plunger height that is shorter when on one set of contacts, and longer when on the other set. This way, the logic of the switch (say a filter is in...(view more)

Ben
2017/2/11 23:29:39
1 comments
1390 views

Anyone knows what type of diode is this?

Hello I have found a faulty diode that needs replacing; the only markings on it are: 15 2 I managed to find another working identical diode on the PCB which I have taken...(view more)

ramadanrenan
2017/2/11 16:19:21
1 comments
618 views

something wrong with my polystyrene cap

First off, the parts list of the the service manual refers to these as polyester, which is confusing. They look like polystyrene to me. Is polystyrene a type of polyester? They don't look the sa...(view more)

Paolo
2017/2/11 12:58:49
1 comments
635 views

Communicator Badge

Star Trek has never let technology get in the way of a good story. Gene Roddenberry and the writers of the show thought up some amazing gadgets, from transporters to replicators to the warp core itsel...(view more)

soulrevival
2017/2/11 9:34:47
1 comments
765 views

My questions on smd parts

How do you tell what the properties of a component are when they are smd and no information printed on them. An example would be a capacitor that is in a small package of yellow or whatever?(view more)

Baldwin
2017/2/10 16:20:56

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