Questions tagged [naming-conventions]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
7 votes
1 answer

Reasoning for common circuit symbols

I would like to know where and why the common quantity symbols for impedance (Z), resistance (R), reactance (X), admittance (Y), conductance (G), and susceptance (B) were first defined. It seems ...
fuesika's user avatar
  • 191
0 votes
0 answers

voltage suffixes meaning

I came across the following schematics on a TV main board. And a bit lower I try to understand the meaning of the name of different rails. I suspect that STB ...
InfiniteLooper's user avatar
2 votes
1 answer

Diode functional naming : 'ORing' diode

I heard 'ORing Diode' in a design meeting today. After a quick google search I found this was referring to a diode functional montage. Is this naming commonly used? Are there other names like this? I ...
M.Ferru's user avatar
  • 3,926
2 votes
1 answer

What are the known ambiguous SMD IC package names?

I just recently discovered (the hard way...) that VSSOP-8 is an ambiguous IC package name. Some manufacturers use this name to describe a 0.65mm pitch device, whereas others use VSSOP-8 to describe a ...
Chris's user avatar
  • 177
2 votes
3 answers

VF vs. VFR Suffix: Whats the Difference?

On Digikey, I have found 2 parts that have the same datasheet and same product attributes, but one is $2 cheaper and has VFR at the end of its name instead of VF. Here are the products and datasheets: ...
ShortsKing's user avatar
2 votes
2 answers

What is the meaning of the number after the comma in the product page? (e.g. BC547C,215)

Relevant links from Mouser and Digi-key:
FrancoVS's user avatar
  • 1,543