All Questions
9
questions
0
votes
1
answer
54
views
What does the interface between lead(s) and the silicon chip look like inside a semiconductor package?
For a leaded semiconductor, like a diode or a transistor, one of the leads is usually the same piece of metal as the copper pad/heat spreader on the back, which is also shorted to one of the junctions ...
- 749
2
votes
1
answer
787
views
What are wettable flanks in semiconductor packages?
What are wettable flanks? Is there any difference between packages with wettable flanks and other leadless packages?
Can we say the package given above has wettable flanks?
1
vote
4
answers
112
views
I don't know what this dimension means for a diode package drawing
I came across this case number and dimension for a diode, a D1NK60, that I would like to use:
AX057: 3.0 × φ 2.6(mm)
The data sheet is here (document page 31, PDF page 18).
I don't know what phi ...
- 149
0
votes
1
answer
2k
views
What kind of diode package/case is "case-17"?
The Russian company asked me to purchase several elements for the production of the device.
Among the elements in the BOM there were two "5 watts" zener diodes
1N5342B at 6.8 Volts
1N5349B at 12 ...
- 3
3
votes
3
answers
4k
views
What is "folded SMA" package of SMD?
There are three types of package in specification: SMA, Folded SMA and Clip SMA.
The link for datasheet: SK32A
What is the differences between them ???
I suspect, that Folded SMA it is SMAF, but I ...
- 419
0
votes
1
answer
166
views
Reference of component
I´m trying to repair my lock control in my car. And this board seems like the problem, so I want create a new board (exactly the same) based on this. But I facing a challenge:
I cant determine what ...
- 101
1
vote
0
answers
218
views
What is the difference between red glass diodes and blue glass diodes?
I have some old hermetically sealed glass diodes that have a blue color under the glass, which is different from the red ones that I normally see. Does anybody know what the difference between the red ...
4
votes
0
answers
333
views
What should I do with the unused diode in the SOT-323-3 (SC-70-3) package?
I'm planning to use one of this diode in my circuit. But the package contains two of them. I chose it mainly because of its 3ns reverse recovery time. How do I use them in my circuit?
I have three ...
- 14.2k
54
votes
2
answers
12k
views
Why do some diodes have a glass package?
Put simply, why do some diodes such as most Zeners and Schottky diodes have a glass package as opposed to the more traditional plastic package?
Is it ease of manufacturing, thermal properties, or ...
- 2,475