All Questions
Tagged with packages pcb-design
23
questions
0
votes
2
answers
108
views
Is VSSOP-8 packaging any different from SOP-8?
Are these two packaging titles similar with different names or is there actually a difference?
(please provide both sizes in mils if different)
The device in question is a INA821
- 9
7
votes
4
answers
2k
views
Choosing SMD size for passive components
The passive components like resistors, capacitors, inductors are made up of a multitude of materials and come in a very wide range of package sizes. We could get the same value of resistor, capacitor ...
- 2,103
4
votes
1
answer
111
views
Op-amp packages for PCB
I recently started to PCB design my circuit. Since I am new to PCB design I have some difficulties. I want to know if I can use different op-amp packages for my design. I selected components but they ...
- 183
-1
votes
1
answer
109
views
Grid size for package creation in Eagle
I am creating a package for the first time, using Eagle for the first time.
I took measurements of the component and these are the dimensions from the center:
How exactly can I achieve these ...
- 1,369
0
votes
3
answers
129
views
What is the difference between package description and package option?
I am making an ECG sensor schematic on EAGLE and I am concerned if this is something I should be taking into account while designing?
- 312
1
vote
1
answer
921
views
resistor package size
I am using EasyEDA to design some PCBs, and I am trying to figure out what package to use for your basic 1/4w resistor. The options are-
R-Alial-0.3
R-Alial-0.4
R-Alial-0.5
R-Alial-0.6
R-Alial-0.8
R-...
- 135
5
votes
1
answer
2k
views
What is the difference between TO-3 and TO-204AA packaging?
I am trying to build a circuit for a power amplifier and TO-204AA is the packaging used in the circuit diagram.
KiCad does not have TO-204AA but it has TO-3.
Looking at the image below you will see ...
- 312
0
votes
0
answers
99
views
Reducing Thermal Pad Size Below Official Footprint - Can It Create Manufacturability Problems?
I'm using a DP83867 Ethernet chip by Texas Instruments in an S-PQFP-G64, 10 x 10 mm package, the mechanical dimension and its recommended footprint are shown at the end of the question. As shown, the ...
- 7,218
0
votes
1
answer
796
views
Remove/exclude exposed pad of QFN package from PCB layout
I am doing a PCB layout with a Atmel/Microchip MCU ATSAML21E18B-MUT which has QFN-32 package 5x5 mm. This board can have a maximum of 20x40 mm and I am having problems with space because the circuit ...
- 657
0
votes
3
answers
381
views
How to route and solder TO-263AB packages?
Am working on making a PCB and i was using RFP30N06LE MOSFET on my breadboard circuit, now that am making a PCB i want to use the other variation RF1S30N06LESM of the same component. which as you can ...
- 105
0
votes
2
answers
828
views
Are all the DIP-16 packages the same for PCB library design?
I am designing PCB library for a component whose Package is DIP-16. I have already footprint of this Package in other components. Can I use them interchangeably in the new component in terms of their ...
- 85
0
votes
1
answer
225
views
Minimum distances between box case connectors and PCB surface conductors
I am working on a few kV PCB design with external voltage connectors (HIGH and GND levels). So user interface connectors are thought to be bananas jacks (they support until 7kV but has soldering ...
- 851
13
votes
2
answers
1k
views
‘One for all’ standardized land pattern v.s. specified land pattern in datasheet
I’ve designed lot of ‘simple’ PCBs for hobby and proof-of-concept purposes, but never for (mass)manufacturing. In order to do so in the future, and further expanding my design skills and knowledge, I’...
- 133
1
vote
1
answer
850
views
Different footprints for different surface mount Resistor packaging?
When using the same surface mount package size (0402) for all my resistors on a board, but using resistors from different manufacturers or with different resistance values, should I create a different ...
6
votes
1
answer
3k
views
Altium: What stands for 'N' , 'M' and 'L' as a suffix for SOIC packages
I've noticed while using Altium that SOIC ICs have 3 different SOIC PCB layout to select from, they are named NSOBX_L, NSOBX_N and NSOBX_M (being X de number of pins). The difference I've noticed is ...
- 115