| Prefix |
Field Description |
Notes
|
| B | Body dimensions |
- Body size (
XxYxZ)
- Height parameter
Z may be omitted
- Prefix
B may be omitted if the body size is the major dimension used to define the footprint
|
| D | Diameter |
- Diameter of major axis for cylindrical component
- e.g.
D10mm - 10mm diameter
|
| H | Height |
- Height of component measured from PCB
- Body size
B should be used in preference, where possible
- e.g.
H1.1mm - component measures 1.1mm above PCB
|
| L | Length |
- Length along major axis of component
- Body size
B should be used in preference, where possible
- e.g.
L15.3mm - 15mm length
|
| W | Width |
- Width along minor axis of component
- Body size
B should be used in preference, where possible
- e.g.
W4.75mm - 4.75mm width
|
| EP | Exposed pad dimensions |
- Packages that include a single exposed pad include the size of this pad. e.g.
EP2.4x3.6mm - for a single 2.4mm x 3.6mm pad.
|
| P | Pad pitch |
- Pitch (distance) between pins, pads or leads
- e.g.
P0.63mm - 0.63mm pitch between pads
|
| T | Thickness | Component thickness, where appropriate |