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W1A25C121MAT2A PDF预览

W1A25C121MAT2A

更新时间: 2024-10-29 04:25:35
品牌 Logo 应用领域
京瓷/艾维克斯 - KYOCERA AVX /
页数 文件大小 规格书
4页 142K
描述
W1A25C121MAT2A, CHIP, ROHS COMPLIANT

W1A25C121MAT2A 数据手册

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Capacitor Array  
Capacitor Array (IPC)  
BENEFITS OF USING CAPACITOR  
ARRAYS  
AVX capacitor arrays offer designers the opportunity to  
lower placement costs, increase assembly line output  
through lower component count per board and to reduce  
real estate requirements.  
For high volume users of cap arrays using the very latest  
placement equipment capable of placing 10 components per  
second, the increase in throughput can be very significant and  
can have the overall effect of reducing the number of place-  
ment machines required to mount components:  
Reduced Costs  
Placement costs are greatly reduced by effectively placing  
one device instead of four or two. This results in increased  
throughput and translates into savings on machine time.  
Inventory levels are lowered and further savings are made  
on solder materials, etc.  
If 120 million 2-element arrays or 40 million 4-element arrays  
were placed in a year, the requirement for placement  
equipment would be reduced by one machine.  
During a 20Hr operational day a machine places 720K  
components. Over a working year of 167 days the machine  
can place approximately 120 million. If 2-element arrays are  
mounted instead of discrete components, then the number  
of placements is reduced by a factor of two and in the  
scenario where 120 million 2-element arrays are placed there  
is a saving of one pick and place machine.  
Space Saving  
Space savings can be quite dramatic when compared to  
the use of discrete chip capacitors. As an example, the  
0508 4-element array offers a space reduction of >40% vs.  
4 x 0402 discrete capacitors and of >70% vs. 4 x 0603  
discrete capacitors. (This calculation is dependent on the  
spacing of the discrete components.)  
Smaller volume users can also benefit from replacing  
discrete components with arrays. The total number of place-  
ments is reduced thus creating spare capacity on placement  
machines. This in turn generates the opportunity to increase  
overall production output without further investment in new  
equipment.  
Increased Throughput  
Assuming that there are 220 passive components placed in a  
mobile phone:  
A reduction in the passive count to 200 (by replacing  
discrete components with arrays) results in an increase in  
throughput of approximately 9%.  
A reduction of 40 placements increases throughput by 18%.  
W2A (0508) Capacitor Arrays  
4 pcs 0402 Capacitors  
=
1 pc 0508 Array  
1.88  
(0.074)  
1.4  
1.0  
(0.055) (0.039)  
5.0 (0.197)  
AREA = 7.0mm (0.276 in )  
2.1 (0.083)  
AREA = 3.95mm (0.156 in )  
2
2
2
2
The 0508 4-element capacitor array gives a PCB space saving of over 40%  
vs four 0402 discretes and over 70% vs four 0603 discrete capacitors.  
W3A (0612) Capacitor Arrays  
4 pcs 0603 Capacitors  
=
1 pc 0612 Array  
2.0  
(0.079)  
2.3  
(0.091)  
1.5  
(0.059)  
6.0 (0.236)  
AREA = 13.8mm (0.543 in )  
3.2 (0.126)  
AREA = 6.4mm (0.252 in )  
2
2
2
2
The 0612 4-element capacitor array gives a PCB space saving of over 50%  
vs four 0603 discretes and over 70% vs four 0805 discrete capacitors.  
51  

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