Accu-L
®
SMD High-Q RF Inductor
2
10 nH Inductor (Top View)
ACCU-L
®
TECHNOLOGY
The Accu-L
®
SMD Inductor is based on thin-film multilayer
technology. This technology provides a level of control on the
electrical and physical characteristics of the component which
gives consistent characteristics within a lot and lot-to-lot.
The original design provides small size, excellent high-
frequency performance and rugged construction for reliable
automatic assembly.
The Accu-L
®
inductor is particularly suited for the telecom-
munications industry where there is a continuing trend
towards miniaturization and increasing frequencies. The
Accu-L
®
inductor meets both the performance and tolerance
requirements of present cellular frequencies 450MHz and
900MHz and of future frequencies, such as 1700MHz,
1900MHz and 2400MHz.
FEATURES
•
•
•
•
•
•
•
•
•
High Q
RF Power Capability
High SRF
Low DC Resistance
Ultra-Tight Tolerance on Inductance
Standard 0603 and 0805 Chip Size
Low Profile
Rugged Construction
Taped and Reeled
APPLICATIONS
•
•
•
•
•
•
Mobile Communications
Satellite TV Receivers
GPS
Vehicle Locations Systems
Filters
Matching Networks
26
Accu-L
®
0402
LGA High-Q RF Inductor
ITF TECHNOLOGY
The LGA Inductor is based on thin-film multilayer technology.
The technology provides a miniature part with excellent high
frequency performance and rugged construction for reliable
automatic assembly.
B
S
A
H
T
L
APPLICATIONS
•
•
•
•
•
•
•
Mobile Communications
Satellite TV Receivers
GPS
Vehicle Location Systems
Wireless LANs
Filters
Matching Networks
FEATURES
•
•
•
•
•
Inherent Low Profile
Self Alignment During Reflow
Excellent Solderability
Low Parasitics
Better Heat Dissipation
W
0402
(0.040±0.004)
0.58±0.07
W
(0.023±0.003)
0.35±0.10
T
(0.014±0.004)
0.48±0.05
A
(0.019±0.002)
0.17±0.05
B
(0.0067±0.002)
0.064±0.05
S,H
(0.0025±0.002)
L
1.0±0.10
2
HOW TO ORDER
L
Product
Inductor
0402
Size
0402
4R7
Inductance
Expressed in nH
Letter R denotes
Decimal Point
Example:
R68 = 0.68nH
4R7 = 4.7nH
D
Tolerance
H
Specification
Code
L
Termination
Code
L = SnPb
N = Sn100
Lead Free
TR
Packaging
Code
L
≤
1nH:
A = ±0.5nH
B = ±0.1nH
L
≤
2.7nH:
A = ±0.5nH
B = ±0.1nH
C = ±0.2nH
D = ±0.5nH
L
≤
6.8nH:
B = ±0.1nH
C = ±0.2nH
D = ±0.5nH
QUALITY INSPECTION
Finished parts are 100% tested for electrical parameters and
visual characteristics. Each production lot is evaluated on a
sample basis for:
• Static Humidity: 85ºC, 85% RH, 160 hours
• Endurance: 125ºC, I
R
, 4 hours
TERMINATION
Nickel/Solder coating compatible with automatic soldering
technologies: reflow, wave soldering, vapor phase and
manual.
Recommended Pad Layout Dimensions mm (inches)
0.7
(0.028)
0.6 (0.024)
1.6 (0.063)
0402
27
Accu-L
®
0402
LGA High-Q RF Inductor
MARKING AND ORIENTATION IN TAPE (Top View)
0402
2
0402 ELECTRICAL SPECIFICATIONS TABLE
450MHz
L(nH)
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
Tolerance
A=±0.05nH, B=±0.1nH
C=±0.2nH, D=±0.5nH
± 0.05nH, ± 0.1nH
± 0.05nH, ± 0.1nH
± 0.05nH, ± 0.1nH, ±0.2nH
± 0.05nH, ± 0.1nH, ±0.2nH
± 0.05nH, ± 0.1nH, ±0.2nH
± 0.05nH, ± 0.1nH, ±0.2nH
± 0.05nH, ± 0.1nH, ±0.2nH
± 0.1nH, ± 0.2nH, ±0.5nH
± 0.1nH, ± 0.2nH, ±0.5nH
± 0.1nH, ± 0.2nH, ±0.5nH
± 0.1nH, ± 0.2nH, ±0.5nH
± 0.1nH, ± 0.2nH, ±0.5nH
Q
(min.)
25
20
20
20
18
15
15
15
13
13
13
12
Q
(Typ)
40
30
30
25
20
20
20
20
20
20
20
15
900MHz
Q
(Typ)
50
35
30
30
30
25
25
25
20
20
20
20
1900MHz 2400MHz
Q
(Typ)
60
40
40
40
35
35
35
35
30
30
30
25
Q
(Typ)
70
50
45
40
40
40
40
40
30
30
30
30
SRF
min.
(MHz)
20000
20000
20000
18000
16000
15000
9500
8500
8000
7500
7000
6500
R
DC
max.
(Ω)
0.06
0.15
0.20
0.20
0.20
0.20
0.25
0.40
0.45
0.45
0.65
0.90
I
DC
max.
(mA)
500
500
400
400
400
400
250
250
250
250
200
200
28
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