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.
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.
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.)
Increased Throughput
Assuming that there are 220 passive components placed in a
mobile phone:
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 placement machines required to mount
components:
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.
Smaller volume users can also benefit from replacing discrete
components with arrays. The total number of placements 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.
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 = 7.0mm2 (0.276 in2)
2.1 (0.083)
AREA = 3.95mm2 (0.156 in2)
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
1.60
(0.063)
2.3
1.5
(0.091) (0.059)
6.0 (0.236)
AREA = 13.8mm2 (0.543 in2)
3.2 (0.126)
AREA = 6.4mm2 (0.252 in2)
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.
68
032417
Capacitor Array
Capacitor Array (IPC)
GENERAL DESCRIPTION
AVX is the market leader in the development and manufacture of capacitor arrays.
The array family of products also includes the 0612 4-element device as well
as 0508 2-element and 4-element series, all of which have received widespread
acceptance in the marketplace.
AVX capacitor arrays are available in X5R, X7R and NP0 (C0G) ceramic dielectrics
to cover a broad range of capacitance values. Voltage ratings from 6.3 Volts up
to 100 Volts are offered. AVX also now offers a range of automotive capacitor
arrays qualified to AEC-Q200 (see separate table).
0508 - 2 Element
Key markets for capacitor arrays are Mobile and Cordless Phones, Digital Set
Top Boxes, Computer Motherboards and Peripherals as well as Automotive
applications, RF Modems, Networking Products, etc.
0612 - 4 Element
0508 - 4 Element
AVX Capacitor Array - W2A41A***K
S21 Magnitude
0
-5
S21 mag. (dB)
-10
-15
-20
-25
-30
5pF
10pF
15pF
22pF
33pF
39pF
68pF
-35
-40
0.01
0.1
1
10
Frequency (GHz)
HOW TO ORDER
W
2
Style
Case
W = RoHS
Size
L = SnPb 2 = 0508
3 = 0612
A
Array
4
3
C
Voltage Dielectric
Number
6 = 6V
A = NP0
of Caps
C = X7R
2 = 2 Element Z = 10V
D = X5R
4 = 4 Element Y = 16V
3 = 25V
5 = 50V
1 = 100V
103
M
A
T
2A
Capacitance Capacitance
Termination
Packaging &
Failure
Tolerance
Code
Code
Quantity
Rate
A = Commercial *T = Plated Ni
2 Sig. Digits +
J = ±5%
Code
4 = Automotive
Number of
and Sn
2A = 7" Reel
K = ±10%
Zeros
®
*Z = FLEXITERM
(4000)
M = ±20%
*B = 5% min lead 4A = 13" Reel
®
*X = FLEXITERM
(10000)
with 5% min 2F = 7" Reel
lead
(1000)
NOTE: Contact factory for availability of Termination and Tolerance Options for Specific Part Numbers.
69
032417
Capacitor Array
Capacitance Range – NP0/C0G
SIZE
# Elements
W2 = 0508
4
W3 = 0612
4
Solderinq
Reflow/Wave
Reflow/Wave
Packaqinq
Paper/Embossed
1.30 ± 0.15
(0.051 ± 0.006)
2.10 ± 0.15
(0.083 ± 0.006)
0.94
(0.037)
16
25
50
Paper/Embossed
1.60 ± 0.150
(0.063 ± 0.006)
3.20 ± 0.20
(0.126 ± 0.008)
1.35
(0.053)
16
25
50
mm
(in.)
mm
(in.)
mm
(in.)
Length
Width
Max.
Thickness
WVDC
100
120
150
180
220
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
102
122
152
182
222
272
332
392
472
562
682
822
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
Cap
(pF)
= Supported Values
70
032417
Capacitor Array
Capacitance Range – X7R
SIZE
# Elements
W2 = 0508
2
W2 = 0508
4
W3 = 0612
4
Packaqinq
All Paper
Paper/Embossed
Paper/Embossed
mm
(in.)
mm
(in.)
1.30 ± 0.15
(0.051 ± 0.006)
2.10 ± 0.15
(0.083 ± 0.006)
1.30 ± 0.15
(0.051 ± 0.006)
2.10 ± 0.15
(0.083 ± 0.006)
1.60 ± 0.150
(0.063 ± 0.006)
3.20 ± 0.20
(0.126 ± 0.008)
mm
(in.)
0.94
(0.037)
16
25
0.94
(0.037)
16 25
1.35
(0.053)
16
25
Solderinq
Length
Width
Max.
Thickness
WVDC
6
102
122
152
182
222
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
272
332
392
472
562
682
822
103 Cap
123 (μF)
153
183
223
273
333
393
473
563
683
823
104
124
154
184
224
274
334
474
564
684
824
105
125
155
185
225
335
475
106
226
476
107
2700
3300
3900
4700
5600
6800
8200
0.010
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.47
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
3.3
4.7
10
22
47
100
101 Cap
121 (PF)
151
181
221
271
331
391
471
561
681
821
Reflow/Wave
10
50
Reflow/Wave
100
6
10
Reflow/Wave
50
100
6
10
50
100
71
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