Electronics Forum: $0.30 (Page 1 of 3)

pcb design

Electronics Forum | Mon Feb 29 23:41:09 EST 2016 | padawanlinuxero

Is more a guess but, your drawing is missing things, more precise the legends on the edge of the drawing, but for what I can see the diameter of the ball is 0.30 +- 0.05 hope it helps!

0.5 mm pitch BGA

Electronics Forum | Wed Mar 02 10:24:48 EST 2005 | Guest

Balls are 0.30 mm diameter, with a height of 0.24 mm It's a 8*8 mm 184 pins BGA.

Board Warpage

Electronics Forum | Tue Apr 29 02:08:21 EDT 2008 | sin4d

Hi, I am also facing the same probelm. I assembly a substrate with a thickness of 0.30mm and the board warp after reflow. If I bake the substrate at 125 Deg C for 2 hours will it help to solve this problem? Thanks

driving triacs in power supply

Electronics Forum | Sat Jul 24 06:00:50 EDT 2004 | zlatkon

I need to build regulated power supply 0-30V 0-20 Amps. The only solution possible for minimizing the thermal loss is to use triacs on the secondary Trafo side in order to cut the sine for low voltage output and great current. (like 5V, 20A). Please

6 layer board and routing bga package

Electronics Forum | Fri Feb 19 05:14:04 EST 2016 | truewanderer

Hi, i have a confusion to read the dimension of BGA package from the datasheet. I have attached the datasheet below. Is this diameter of the ball 0.30mm or 0.15mm. I'm confused about the values given in the box. Whats meant by M, S, A and B. Please g

pcb design

Electronics Forum | Tue Feb 23 04:54:54 EST 2016 | truewanderer

Hi, i have a confusion to read the dimension of BGA package from the datasheet. I have attached the datasheet below. Is this diameter of the ball 0.30mm or 0.15mm. I'm confused about the values given in the box. Whats meant by M, S, A and B. Please g

Need advise on regarding Vias

Electronics Forum | Mon Dec 13 00:48:33 EST 1999 | armin

Hi All I have a 0.7 mm diameter hole for vias, what�s the minimum annular ring for this hole diameter? What�s the term unsupported and supported holes refer to in IPC-2221 9.1.2 Annular Ring Requirements? I have a proto-type PCB (designed by our R&

Re: 8 mil placement, part Deaux!! / My Mistake - Sorry

Electronics Forum | Mon Sep 14 09:25:49 EDT 1998 | Dave F

0.050" -> 50 mil -> 50 pitch 0.80 mm -> 0.032" -> 32 mil -> 32 pitch 0.64 mm -> 0.025" -> 25 mil -> 25 pitch 0.50 mm -> 0.020" -> 20 mil -> 20 pitch 0.40 mm -> 0.016" -> 16 mil -> 16 pitch 0.20 mm -> 0.012" -> 12 mil -> 12 pitch Dave F Y

Gerber file of Heraeus Benchmarker II

Electronics Forum | Wed Feb 06 14:55:15 EST 2013 | davef

I doubt anyone will send you the gerbers for the Benchmarker board. Here are my notes on the board: BENCHMARKER II TEST BOARD * Heraeus Materials Technology LLC [Benchmarker II test board that streamlined material testing for rapid customer support,

IPC Spec for PTH Hole Size Tolerance

Electronics Forum | Wed Apr 10 22:24:30 EDT 2002 | davef

IPC-6012A, 3.4.1 has words to the effect of: Hole size tolerance and hole pattern accuracy shall be as specified in the procurement documentation. Our fab says: Standard Drill Sizes Drill Number Hole Size Finished Hole Size 70 0.028" 0.02

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