Electronics Forum: land pattern (Page 1 of 21)

Need a land pattern

Electronics Forum | Tue May 04 11:34:06 EDT 1999 | Ken Pishko

Need a footpint for a 10 lead uSOIC (RM-10)

DPAK land pattern

Electronics Forum | Thu Mar 21 15:36:19 EST 2002 | slthomas

We're having trouble with a TO-252 DPAK from Fairchild (MC7805CDT) and our existing land pattern. The land pattern calculator on the IPC site doesn't have anything available that matches it (there are no TO-252's available on the pull downs), and I'

DPAK land pattern

Electronics Forum | Fri Mar 29 10:51:20 EST 2002 | lsmith

The IPC-EM-782 reads as follows: the adjustment factor is usually intended to increase the Z dimension slightly, but brings the Z maximum up to an even equivalent. Example if Zmax is 2.100mm then you would enter an adjustment factor of .100mm. The ad

DPAK land pattern

Electronics Forum | Fri Mar 22 10:55:11 EST 2002 | slthomas

Dave, you are THE master of the search. I made the lame assumption that if they'd had layout specs. for a part, it would be part of the spec. Bad assumption. The layout for the decal from that page you linked to is exactly what I needed. I look

DPAK land pattern

Electronics Forum | Fri Mar 29 11:32:37 EST 2002 | slthomas

Thanks, Larry, more good info. I think my designer has that spec. in his library. What we DID find that while we had the proper pattern called out in our in house spec. sheet for the part, the designers don't look at the spec. sheets. They just grab

DPAK land pattern

Electronics Forum | Thu Mar 21 21:21:37 EST 2002 | davef

In the beginning, there was TO-5. And it was good. Flushed with success, they created TO-220. It too was good. Then came SMT. It was better than some things, but then again ... In these early days, there was a haze on the horizon that blocked t

Re: Need a land pattern

Electronics Forum | Wed May 12 02:22:03 EDT 1999 | Richard Durrant

Need a footpint for a 10 lead uSOIC (RM-10) Have you tried the IPC website at www.ipc.com, they have an online land pattern calculator that not only gives you there RLP (Regisistered Land Patterns) for standard components, but also allows you to

PCB land pattern for RC0402 and CC0402

Electronics Forum | Fri Sep 26 12:19:09 EDT 2008 | davef

For the IPC Land Pattern Viewer, look here: http://landpatterns.ipc.org/default.asp

SMD coil land pattern recommendation size

Electronics Forum | Fri Sep 15 15:46:54 EDT 2017 | tey422

I have a customer want to add an SMD coil to the board, which they used to hand soldering all the time. I want to know is there footprint/land pattern size that I should follow? Any recommendation?

PCB land pattern for RC0402 and CC0402

Electronics Forum | Wed Sep 24 04:18:12 EDT 2008 | gang

we have some problems in soldering joints such as insufficient solder and misalignment on some RC0402 and CC0402,i don't have a pic here. our SMT enginner doubts the PCB land pattern is at the fault.here is what we measured results.pad length:0.9mm,

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