Document 884-1
Shielded Power Inductors
–
RFS1317
• Low cost, high current power inductors
• 27 µH to 10 mH inductance range
Core material Ferrite
Terminations Tin-silver over tin over copper over steel. Other
terminations available at additional cost.
Weight 9.1 – 9.4 g
Ambient temperature –40°C to +85°C with Irms current
Maximum parts temperature +125°C (ambient + temp rise)
Storage temperature Component: –40°C to +125°C.
Tray packaging: –40°C to +80°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 144 parts per tray
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Isat(A)4
Irms(A)5
DCR
SRF
1. When ordering, please specify termination code:
Part
Inductance2 max
typ3 10% 20% 30% 20°C 40°C
RFS1317-106L
number1
10%
(Ohms) (MHz) drop drop drop rise rise
Termination: L = Tin-silver over tin over copper
over steel.
RFS1317-273KL
RFS1317-333KL
RFS1317-473KL
RFS1317-683KL
RFS1317-823KL
RFS1317-104KL 100µH
RFS1317-124KL 120µH
RFS1317-154KL 150µH
RFS1317-184KL 180µH
RFS1317-224KL 220µH
27µH
33µH
47µH
68µH
82µH
0.033 20.95
0.050 18.18
0.055 12.93
0.068
0.071
5.2
4.5
3.9
3.1
2.8
6.4
5.7
4.7
3.8
3.6
7.2
6.4
5.4
4.3
4.0
4.10 5.70
3.55 4.85
3.20 4.50
3.00 4.05
2.75 3.90
Special order: T = RoHS
tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead
(63/37).
6.49
5.03
2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc on
an Agilent/HP 4284A LCR-meter or equivalent.
3. SRF measured using Agilent/HP 4191A or equil-
valent.
4. DC current that causes the specified inductance
drop from its value without current..
0.079
0.110
0.144
0.172
0.239
3.45
3.18
2.92
2.27
2.03
2.6
2.4
2.2
1.9
1.7
3.2
2.9
2.6
2.4
2.1
3.6
3.2
2.9
2.7
2.4
2.65 3.65
2.20 3.15
2.05 2.90
1.85 2.65
1.50 2.05
5. Current that causes the specified temperature
rise from 25°C ambient.
6. Electrical specifications at 25°C.
RFS1317-274KL 270µH
RFS1317-334KL 330µH
RFS1317-394KL 390µH
RFS1317-474KL 470µH
RFS1317-564KL 560µH
0.263
0.286
0.317
0.409
0.524
1.66
1.55
1.39
1.20
1.12
1.7
1.5
1.3
1.3
1.1
1.9
1.7
1.6
1.4
1.3
2.2
2.0
1.8
1.6
1.5
1.50 2.05
1.40 1.90
1.35 1.85
1.10 1.60
0.95 1.35
RFS1317-684KL 680µH
RFS1317-824KL 820µH
0.617
0.834
1.02
1.19
1.36
0.955 1.0
0.827 0.89 1.0
0.725 0.83 1.0
0.647 0.72 0.94 1.0
0.599 0.66 0.82 0.91 0.59 0.78
1.2
1.4
1.2
1.1
0.86 1.20
0.75 1.04
0.68 0.97
0.60 0.81
RFS1317-105KL
RFS1317-125KL
RFS1317-155KL
1.0mH
1.2mH
1.5mH
RFS1317-185KL
RFS1317-225KL
RFS1317-275KL
RFS1317-335KL
RFS1317-395KL
1.8mH
2.2mH
2.7mH
3.3mH
3.9mH
1.49
2.01
2.22
2.38
3.38
0.566 0.60 0.78 0.87 0.54 0.74
0.496 0.56 0.69 0.77 0.45 0.62
0.439 0.51 0.62 0.70 0.43 0.61
0.435 0.46 0.61 0.68 0.41 0.57
0.373 0.41 0.51 0.57 0.34 0.49
RFS1317-475KL
RFS1317-565KL
RFS1317-685KL
RFS1317-825KL
RFS1317-106KL
4.7mH
5.6mH
6.8mH
8.2mH
10mH
3.68
4.03
5.43
5.88
6.55
0.352 0.38 0.48 0.54 0.33 0.46
0.320 0.34 0.44 0.49 0.32 0.46
0.288 0.32 0.40 0.45 0.26 0.38
0.274 0.31 0.39 0.44 0.25 0.35
0.254 0.28 0.33 0.37 0.24 0.35
Document 884-1 Revised 08/06/13
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© Coilcraft Inc. 2016
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.