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
DIMENSIONS:
millimeters (inches)
B
0603
L
1.6±0.10
(0.063±0.004)
0.81±0.10
(0.032±0.004)
0.61±0.10
(0.024±0.004)
top:
0.0 +0.3/-0.0
(0.0+0.012)
bottom:
0.35±0.20
(0.014±0.008)
0805
2.11±0.10
(0.083±0.004)
1.5±0.10
(0.059±0.004)
0.91±0.13
(0.036±0.005)
0.25±0.15
(0.010±0.006)
Operating/Storage
Temp. Range:
-55°C to +125°C
W
W
T
T
L
B
36
Accu-L
®
0603 and 0805
SMD High-Q RF Inductor
HOW TO ORDER
L
Product
Inductor
0805
Size
0603
0805
4R7
Inductance
Expressed in nH
(2 significant digits +
number of zeros)
D
Tolerance
for
L
≤
4.7nH,
B = ±0.1nH
C = ±0.2nH
D = ±0.5nH
E
Specification
Code
E = Accu-L
®
0805
technology
G = Accu-L
®
0603
technology
S
Termination
Code
W = Nickel/
solder coated
(Sn 63, Pb 37)
**S
= Nickel/
Lead Free
Solder coated
(Sn100)
**RoHS compliant
TR
Packaging
Code
TR = Tape and Reel
(3,000/reel)
for
values <10nH,
Not RoHS Compliant
letter R denotes
decimal point.
Example:
22nH = 220
4.7nH = 4R7
4.7nH<L<10nH,
C = ±0.2nH
D = ±0.5nH
L ≥ 10nH,
G = ±2%
J = ±5%
LEAD-FREE COMPATIBLE
COMPONENT
2
For RoHS compliant products,
please select correct termination style.
Engineering Kits Available
see pages 114-115
ELECTRICAL SPECIFICATIONS TABLE FOR ACCU-L
®
0603
Inductance
L (nH)
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
Inductance Tolerance
±0.1, ±0.2nH
±0.1, ±0.2nH
±0.1, ±0.2nH
±0.1, ±0.2nH
±0.1, ±0.2nH
±0.1, ±0.2, ±0.5nH
±0.1, ±0.2, ±0.5nH
±0.1, ±0.2, ±0.5nH
±0.2, ±0.5nH
±0.2, ±0.5nH
±0.2, ±0.5nH
±2%, ±5%
±2%, ±5%
±2%, ±5%
450 MHz
Test Frequency
Available
900 MHz
Test Frequency
Q
Typical
49
26
20
20
21
24
25
23
26
23
23
28
28
28
1900 MHz
Test Frequency
L (nH)
1.2
1.52
1.73
2.24
2.75
3.39
4.06
4.92
5.94
7.3
10
11.8
14.1
25.9
2400 MHz
Test Frequency
L (nH)
1.2
1.52
1.72
2.24
2.79
3.47
4.21
5.2
6.23
8.1
12.1
14.1
17.2
49.8
L (nH)
1.2
1.54
1.74
2.2
2.7
3.33
3.9
4.68
5.65
6.9
8.4
10
13.2
16.2
Q
Typical
70
39
30
30
30
35
57
32
36
33
31
39
38
38
Q
Typical
134
63
50
49
48
56
60
46
54
47
35
47
30
30
Q
Typical
170
76
59
56
54
64
69
49
60
39
31
41
20
15
SRF min
(MHz)
10000
10000
10000
10000
9000
8400
6500
5500
5000
4500
3800
3500
3000
2500
R
DC
max
(Ω)
0.04
0.06
0.07
0.08
0.08
0.08
0.12
0.15
0.25
0.30
0.35
0.45
0.50
0.60
I
DC
max
(mA)
(1)
1000
1000
1000
1000
750
750
500
500
300
300
300
300
300
300
(1)
IDC measured for 15°C rise at 25°C ambient temperature when soldered to FR-4 board.
Inductance and Q measured on Agilent 4291B / 4287 using the 16196A test fixture.
ELECTRICAL SPECIFICATIONS TABLE FOR ACCU-L
®
0805
Inductance
L (nH)
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
Inductance Tolerance
±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
±0.1nH, ±0.2nH, ±0.5nH
±0.1nH, ±0.2nH, ±0.5nH
±0.1nH, ±0.2nH, ±0.5nH
±0.5nH
±0.5nH
±0.5nH
±2%, ±5%
±2%, ±5%
±2%, ±5%
±2%, ±5%
±2%, ±5%
450 MHz
Test Frequency
Available
900 MHz
1700 MHz
2400 MHz
Test Frequency Test Frequency Test Frequency
Q
Typical
60
50
50
42
42
38
27
43
50
43
43
46
40
36
30
36
L (nH)
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.8
5.7
7.0
8.5
10.6
12.9
16.7
21.9
27.5
Q
Typical
92
74
72
62
62
46
36
62
68
62
56
60
50
46
27
33
L (nH)
1.2
1.5
1.8
2.2
2.8
3.4
4.0
5.3
6.3
7.7
10.0
13.4
17.3
27
–
–
Q
Typical
122
102
88
82
80
48
38
76
73
71
55
52
40
23
–
–
L (nH)
1.2
1.5
1.9
2.3
2.9
3.5
4.1
5.8
7.6
9.4
15.2
–
–
–
–
–
Q
Typical
92
84
73
72
70
57
42
60
62
50
32
–
–
–
–
–
SRF min
(MHz)
10000
10000
10000
10000
10000
10000
10000
5500
4600
4500
3500
2500
2400
2200
1700
1400
R
DC
max
ΔT
= 15°C
(Ω)
(1)
0.05
0.05
0.06
0.07
0.08
0.11
0.20
0.10
0.10
0.11
0.12
0.13
0.20
0.20
0.35
0.40
1000
1000
1000
1000
1000
750
750
750
750
750
750
750
750
750
500
500
I
DC
max
(mA)
ΔT
= 70°C
(2)
2000
2000
2000
2000
2000
1500
1500
1500
1500
1500
1500
1500
1500
1000
1000
1000
(1) I
DC
measured for 15°C rise at 25°C ambient temperature
(2) I
DC
measured for 70°C rise at 25°C ambient temperature
L, Q, SRF measured on HP 4291A, Boonton 34A and Wiltron 360
Vector Analyzer, R
DC
measured on Keithley 580 micro-ohmmeter.
37
Accu-L
®
0603 and 0805
SMD High-Q RF Inductor
L0603
180
160
140
120
Q 100
80
60
40
20
0
Typical Q vs. Frequency
L0603
1.2nH
100
Typical Inductance vs. Frequency
L0603
15nH
L (nH)
1.5nH
5.6nH
8.2nH
15nH
0
1
Frequency (GHz)
2
3
10
2
L0805
1
0
0.5
2
1
1.5
Frequency (GHz)
8.2nH
6.8nH
4.7nH
3.3nH
2.2nH
1.8nH
1.2nH
2.5
3
Measured on AGILENT 4291B/4287
using the 16196A test fixture
Measured on AGILENT 4291B/4287
using the 16196A test fixture
Typical Q vs. Frequency
L0805
140
Typical Inductance vs. Frequency
L0805
120
100
1.2nH
100
80
Q
1.8nH
Inductance (nH)
1.5nH
22nH
15nH
60
5.6nH
10
10nH
5.6nH
10nH
40
15nH
20
22nH
1.8nH
1
0
0.1
1
Frequency (GHz)
10
0.01
0.1
1
10
Frequency (GHz)
Measured on HP4291A and
Boonton 34A Coaxial Line
Measured on HP4291A and
Wiltron 360 Vector Analyzer
Maximum Temperature Rise
at 25°C ambient temperature (on FR-4)
L0805
200
100
15nH
10nH
6.8nH 4.7nH
2.7nH
ΔT
(°C)
10
1
0
0.5
1
1.5
2
Current (A)
2.5
3
3.5
Temperature rise will typically be no higher than shown by the graph
38
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