Author Topic: basic questions  (Read 923 times)

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Offline newtoCBsTopic starter

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basic questions
« on: February 26, 2022, 07:50:00 pm »
Could someone please identify what each of these devices are.

Thanks.

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« Last Edit: March 03, 2022, 02:49:34 am by newtoCBs »
 

Offline Swake

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Re: specific, basic circuit board questions
« Reply #1 on: February 26, 2022, 08:22:51 pm »
a: condensator, polarised. cannot read the value.
b: diode
c & d & i: condensator.
f: unlikely to be resistors, might be coils
g: likely a transistor
h: resistors. 333 means 33000 Ohm
L: probably diode, can be any type of diode. certainly not resistors.
grid mazes are just connections, eventually there is a component on the other side of the board.
When it fits stop using the hammer
 

Online mariush

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Re: specific, basic circuit board questions
« Reply #2 on: February 26, 2022, 08:56:22 pm »
A is a tantalum capacitor
B are diodes.  The code may be printed on the glass body

C and D are most likely capacitors.

F ... agree with Swake, good chance they're inductors.

The small rectangles with numbers on them are resistors ... last digit is the number of zeroes for example 101 means 1 zero after 10, so 100 ohm ... in your case 333 = 33000 or 33kOhm

I - small ceramic capacitors

E probably a film capacitor otherwise could be an inductor.  probably some film capacitor with a very weird capacitance value to get a specific clock or frequency.

G could be anything, could be a transistor, could be a mosfet, could be a fixed voltage linear regulator, no idea. Numbers or code on it may tell you more.
 

Offline newtoCBsTopic starter

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basic questions
« Reply #3 on: February 26, 2022, 09:29:41 pm »
Thanks.
« Last Edit: March 03, 2022, 02:52:08 am by newtoCBs »
 

Offline tooki

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Re: specific, basic circuit board questions
« Reply #4 on: February 27, 2022, 03:55:49 pm »
a: condensator, polarised. cannot read the value.
c & d & i: condensator.
*capacitors

(We used to call them “condensers” in English, but not for a very, very long time. The only place the word survives is in “condenser microphone”.)
 


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