AIR CORE INDUCTORS
High-Reliability Air Core Inductors
MS475RAT
■
High Q over a wide range of frequencies
■
High temperature materials allow operation in ambient
temperatures up to 155°C.
■
Tin-lead (Sn-Pb) terminations ensure 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.
Tape and reel 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
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
typ
3
135
135
130
135
135
125
120
120
115
125
145
Qmin
3
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
MS475RAT22N_SZ
MS475RAT27N_SZ
MS475RAT33N_SZ
MS475RAT39N_SZ
MS475RAT47N_SZ
MS475RAT56N_SZ
MS475RAT68N_SZ
MS475RAT82N_SZ
MS475RATR10_SZ
MS475RATR12_SZ
MS475RATR15_SZ
1. When ordering, specify
tolerance
and
testing
codes:
MS475RATR15GSZ
Tolerance: G
= 2%
J
= 5%
Testing:
Z
= COTS
H
= Screening per Coilcraft CP-SA-10001
N
= Screening per Coilcraft CP-SA-10003
2. Inductance measured at 150 MHz on an Agilent/HP 4286A or equiva-
lent with a Coilcraft SMD-A test fixture and correlation.
3. Q measured at 150 MHz on an Agilent/HP 4291A or equivalent with a
16193A test fixture or equivalent.
4. SRF measured on an Agilent/HP 8753ES or equivalent with a Coilcraft
CCF1268 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.
®
Specifications subject to change without notice.
Please check our website for latest information.
Document MS184-1
Revised 09/08/11
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2011
Phone 800-981-0363
Fax 847-639-1508
E-mail cps@coilcraft.com
Web www.coilcraft-cps.com
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