AIRCOREINDUCTORS
MS561RAU
MS615RAU
High-Reliability Air Core Inductors MS643RAU
■ Excellent Q factors – up to 194 at 100 MHz!
■ Current handling as high as 57 Amps
■ Inductance values from 22 to 257 nH
■ Tin-lead (Sn-Pb) termination for the best possible
board adhesion
Terminations Tin-lead (63/37) over copper
Ambient temperature –55°C to +125°C with Irms 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)
1. When ordering, please specify testing code:
Inductance2
±±20
Q test SRF
freq min4
DCR
Irms (A)5
±2°C 42°C Weight
Q3
(mOhm)
MS643RAU±51MSZ
Testing: Z = COTS
Part number1
(nH)
min (MHz) (MHz) typ max rise rise
(g)
MS561RAU23NMSZ
MS561RAU46NMSZ
MS561RAU79NMSZ
23.5
46.5
79.0
70
110
110
120
110
150
160
160
140
140
180
150
150
150
150
150
100
100
50
50
50
100
50
50
50
50
100
50
50
50
50
50
720 1.05 1.20 18.0 26.0 0.49
H = Screening per Coilcraft
CP-SA-10001
400 1.50 1.62 17.9 25.5 0.65
400 1.95 2.11 17.8 25.0 0.82
360 2.53 2.73 15.7 22.0 0.98
350 3.08 3.33 14.1 19.3 1.23
640 0.48 0.55 40.5 57.0 2.20
440 0.70 0.77 38.0 52.0 2.70
400 0.90 0.99 35.0 48.0 3.20
320 1.10 1.21 33.0 45.0 3.70
320 1.30 1.43 32.0 44.0 4.20
790 0.63 0.74 32.5 43.0 1.60
370 0.90 1.00 31.5 42.5 2.30
300 1.20 1.34 31.0 42.0 3.10
280 1.44 1.60 29.4 39.7 3.60
255 1.70 1.82 26.3 35.8 4.40
245 1.94 2.15 24.9 34.5 5.00
N = Screening per Coilcraft
CP-SA-10003
MS561RAU111MSZ 111
MS561RAU141MSZ 146
C = Custom screening (please
specify when ordering)
MS615RAU22NMSZ
MS615RAU42NMSZ
MS615RAU66NMSZ
MS615RAU90NMSZ
22.0
2. Inductance measured at 1.0 MHz, 0.1 Vrms,
0 A using an Agilent/HP HP4291A imped-
ance analyzer with an Agilent/HP 16193A
test fixture or equivalents.
3. Q measured at specified frequency using
an Agilent/HP 4291A impedance analyzer
or equivalent and a Coilcraft CCF1244 test
fixture.
4. SRF measured using an Agilent/HP 8753
network analyzer or equivalent and a Coilcraft
CCF1199 test fixture.
5. Current that causes the specified tempera-
ture rise from 25°C ambient.
42.0
66.0
90.0
MS615RAU111MSZ 117
MS643RAU33NMSZ
MS643RAU66NMSZ
33
66
MS643RAU111MSZ 108
MS643RAU151MSZ 155
MS643RAU201MSZ 202
MS643RAU251MSZ 257
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Com-
ponents” before soldering.
Specifications subject to change without notice.
®
Please check our website for latest information. Document MS893-1 Revised 06/27/12
Phone 800-981-0363
Fax 847-639-1508
E-mail cps@coilcraft.com
Web www.coilcraft-cps.com
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2012