Document 184-1
®
Midi Spring Air Core Inductors
•ꢀAirꢀcoreꢀinductorsꢀfeatureꢀhighꢀQꢀandꢀcurrentꢀhandling
•ꢀAcrylicꢀtopꢀprovidesꢀaꢀflatꢀsurfaceꢀforꢀpickꢀandꢀplace
•ꢀSolderꢀcoatedꢀleadsꢀensureꢀreliableꢀsoldering
Weight 0.10– 0.16 g
Terminations RoHS compliant tin-silver over copper. Other termina-
tions available at additional cost.
Ambient temperature –40°C to +125°C with Irms current, +125°C
to +140°C with derated current
Storage temperature Component: –40°C to +140°C.
Packaging: –40°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)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
One per billion hours / one billion hours, calculated per Telcordia SR-332
Packaging 500/7″ reel; 2000/13″ reel Plastic tape: 12 mm wide,
0.3 mm thick, 8 mm pocket spacing, 4.2 mm pocket depth
PCB washing Only pure water or alcohol recommended
Q4
Inductance2
(nH)
Percent
Test freq.
(MHz)
SRF min5
(GHz)
DCR max6
(mOhm)
Irms7
(A)
Part number1
tolerance3
typ
min
1812SMS-22N_L_
1812SMS-27N_L_
1812SMS-33N_L_
1812SMS-39N_L_
1812SMS-47N_L_
22
27
33
39
47
5,2
5,2
5,2
5,2
5,2
135
135
130
135
135
100
100
100
100
100
150
150
150
150
150
3.2
2.7
2.5
2.1
2.1
4.2
4.0
4.8
4.4
5.6
3.0
3.5
3.0
3.0
3.0
1812SMS-56N_L_
1812SMS-68N_L_
1812SMS-82N_L_
1812SMS-R10_L_
1812SMS-R12_L_
56
68
82
100
120
5,2
5,2
5,2
5,2
5,2
125
120
120
115
125
100
100
100
100
100
150
150
150
150
150
1.5
1.5
1.3
1.2
1.1
6.2
8.2
9.4
12.3
17.3
3.0
2.5
2.5
1.7
1.5
1812SMS-R15_L_
150
5,2
145
100
150
0.75
33.0
1.2
1. When ordering, specify tolerance, termination and packaging codes:
2. Inductance tested at 150 MHz on an Agilent/HP 4286A LCR meter or
equivalent with a Coilcraft SMD-A test fixture and correlation.
1812SMS-R12GLC
3. Tolerances in bold are stocked for immediate shipment.
Tolerance: G =2% J = 5%
4. Q tested at 150 MHz on an Agilent/HP 4291A Impedance Analyzer with
an Agilent/HP 16193 test fixture or equivalents.
5. SRF tested on the Agilent/HP 8753D Network Analyzer or equivalent
and a Coilcraft CCF1248 test fixture.
Termination: L = RoHS compliant tin-silver (96.5/3.5) over copper.
Special order: T = RoHS tin-silver-copper
(95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
6. DCR tested on the Cambridge Technology Model 510 Micro-ohmmeter
or equivalent.
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape, 500 parts per full reel.
7. Current that causes a 15°C temperature rise from 25°C ambient.
8. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
For part marking data see www.coilcraft.com/colrcode.cfm.
B = Less than full reel. In tape, but not machine-ready.
To have a leader and trailer added ($25 charge),
use code letter C instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked, 2000 parts per
full reel.
Document 184-1 Revised 05/18/12
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2012
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check out web site for latest information.
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