AIR CORE INDUCTORS
Aerospace Grade Air Core Inductors
AE475RAT
■
High Q over a wide range of frequencies
■
High temperature materials allow operation in ambient
temperatures up to 155°C.
■
Passes NASA low outgassing specifications
■
Tin-lead (Sn-Pb) terminations ensures the best possible
board adhesion
Terminations
Tin-lead (63/37) over copper
Ambient temperature
–55°C to +125°C with
Imax
current, +125°C
to +155°C with derated current
Storage temperature
Component: –55°C to +155°C.
Packaging: –55°C to +80°C
Resistance to soldering heat
Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL)
+5 to +70 ppm/°C
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Enhanced crush-resistant packaging
500 per 7″reel
Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 4.2 mm
pocket depth
Part number
1
AE475RAT22N_SZ
AE475RAT27N_SZ
AE475RAT33N_SZ
AE475RAT39N_SZ
AE475RAT47N_SZ
AE475RAT56N_SZ
AE475RAT68N_SZ
AE475RAT82N_SZ
AE475RATR10_SZ
AE475RATR12_SZ
AE475RATR15_SZ
Inductance
2
(nH)
22
27
33
39
47
56
68
82
100
120
150
Percent
tolerance
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
Q
3
typ
135
135
130
135
135
125
120
120
115
125
145
Q
3
min
100
100
100
100
100
100
100
100
100
100
100
SRF min
4
(GHz)
3.2
2.7
2.5
2.1
2.1
1.5
1.5
1.3
1.2
1.1
0.75
DCR max
5
(mOhm)
4.2
4.0
4.8
4.4
5.6
6.2
8.2
9.4
12.3
17.3
33.0
Imax
(A)
3.0
3.5
3.0
3.0
3.0
3.0
2.5
2.5
1.7
1.5
1.2
1. When ordering, specify
tolerance
and
testing
codes:
AE475RATR15GSZ
Tolerance: G
= 2%
J
= 5%
Testing:
Z
= Coilcraft Critical Products Environmental Stress
Conditions Testing.
H
= Coilcraft Qual + Coilcraft Hi-Rel Burn-in
P
= Coilcraft Qual + MIL-STD-981 Class S Group A
screening
N
= Coilcraft Qual + MIL-STD-981 Class B Group A
screening
C
= Coilcraft Qual + MIL-STD-981 Class S Group A
screening + MIL-STD-981 Class S Group B qualification
W
= Coilcraft Qual + MIL-STD-981 Class B Group A
screening + MIL-STD-981 Class S Group B qualification
2. Inductance measured at 150 MHz on an Agilent/HP 4286A or equivalent
with a Coilcraft SMD-A test fixture and correlation.
3. Q measured at 150 MHz on an Agilent/HP 4291A or equivalent with a
16193-A test fixture or equivalent.
4. SRF measured on an Agilent/HP 8753D or equivalent with a Coilcraft
SMD-D test fixture.
5. DCR measured on a Keithley 580 Micro-Ohmmeter or equivalent.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
®
These parts are preproduction products for electrical evaluation only.
Specification subject to change without notice.
Document AE184-1
Revised 07/16/09
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2009
Phone
800-981-0363
Fax
847-639-1508
E-mail
cp@coilcraft.com
Web
www.coilcraft-cps.com
AIR CORE INDUCTORS
AE475RAT Air Core Inductors
Typical L vs Frequency
250
200
Typical Q vs Frequency
250
22 nH
200
Inductance (nH)
120 nH
150
Q factor
150
39 nH
68 nH
120 nH
68 nH
39 nH
100
100
50
22 nH
50
0
1
10
100
1000
10000
0
1
10
100
1000
10000
Frequency (MHz)
Frequency (MHz)
Current Derating
120
110
100
Percent of rated
I
rms
90
80
70
60
50
25°C
40
30
20
10
0
-55 -40
-20
0
20
40
60
80
100
120
140 160
Ambient temperature (°C)
Encapsulant
A
D
E
Suggested
Recommended
Land Pattern
Land Pattern
Strip
Length
135°
max
0.058
1,48
0.203
5,16
C
B
0.103
2,62
F
A max
0.195
4,95
B max
0.250
6,35
C max
0.165
4,20
D
0.140 ±0.010
3,56 ±0,25
E
0.170 ±0.015
4,32 ±0,38
F max
0.030
0,76
0° min
0.170
4,32
inches
mm
Dimensions are in
®
These parts are preproduction products for electrical evaluation only.
Specification subject to change without notice.
Document AE184-2
Revised 07/16/09
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2009
Phone
800-981-0363
Fax
847-639-1508
E-mail
cp@coilcraft.com
Web
www.coilcraft-cps.com
