Sep 8, 2006 #1 M Matrix_YL Advanced Member level 4 Joined Aug 19, 2005 Messages 108 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,298 Activity points 2,272 help me out datasheet hi all Who can explain these parameters represent for what ? such as Φddd Φeee and Φccc.And how to decide the pad diameter for my PCB? thx in advance
help me out datasheet hi all Who can explain these parameters represent for what ? such as Φddd Φeee and Φccc.And how to decide the pad diameter for my PCB? thx in advance
Sep 8, 2006 #2 VVV Advanced Member level 5 Joined Nov 26, 2004 Messages 1,575 Helped 384 Reputation 768 Reaction score 88 Trophy points 1,328 Activity points 19,971 Re: help me out datasheet I usually make them equl to the max ball diameter. In your case that would be 0.3mm.
Re: help me out datasheet I usually make them equl to the max ball diameter. In your case that would be 0.3mm.
Sep 9, 2006 #3 M Matrix_YL Advanced Member level 4 Joined Aug 19, 2005 Messages 108 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,298 Activity points 2,272 Re: help me out datasheet Hi VVV At first ,thanks for your reply. VVV said: I usually make them equl to the max ball diameter. In your case that would be 0.3mm. Click to expand... As you said max ball diameter,I think that would be Φb =0.7mm ,Are you sure the pad for my PCB would be Φddd=0.3mm ? thx in advance
Re: help me out datasheet Hi VVV At first ,thanks for your reply. VVV said: I usually make them equl to the max ball diameter. In your case that would be 0.3mm. Click to expand... As you said max ball diameter,I think that would be Φb =0.7mm ,Are you sure the pad for my PCB would be Φddd=0.3mm ? thx in advance
Sep 10, 2006 #4 VVV Advanced Member level 5 Joined Nov 26, 2004 Messages 1,575 Helped 384 Reputation 768 Reaction score 88 Trophy points 1,328 Activity points 19,971 Re: help me out datasheet Sorry. You are absolutely right, 0.7mm. I don't know if this is the right way, but that is what I do.
Re: help me out datasheet Sorry. You are absolutely right, 0.7mm. I don't know if this is the right way, but that is what I do.