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SLC1175 Series

High Current Shielded Power Inductors

Coilcraft’s SLC1175 Series of high-current shielded power inductors feature sub-milliohm DC resistance and very high current handling. Magnetic shielding and tight DCR tolerances make them ideal for low voltage multi-phase VRM/VRD/EVRD regulators and current sensing circuits.

Sub-milliohm DC resistance and tight DCR tolerance
Ferrite construction for flat L vs I with high current
Magnetic shielding allows high-density packaging
Designed for high-speed switch mode applications.
Ideal for multi-phase VRM/VRD/EVRD regulators

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Part number

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Count	Unit price
1	$1.30
150	$1.05
300	$0.72
1200	$0.56
2400	$0.52
5000	$0.46

For high volume or non-stock items, request a quote.

Tolerance

M = 20%

Termination

E = Matte tin over nickel

Packaging

C = 7" machine-ready reel

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Designer's Kit:

Kit	Values	Price
C467	40 (3 of each)	$110.00

Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (nH) 2 (Tolerance: ±20%)	DCR ± 5% (mΩ) 3	SRF typ (MHz) 4	Isat (A) 5			Irms (A) 6
Part number 1	Inductance (nH) 2 (Tolerance: ±20%)	DCR ± 5% (mΩ) 3	SRF typ (MHz) 4	10% drop	20% drop	30% drop	20°C rise	40°C rise
SLC1175-700ME_	70	0.24	179	83.0	100	100	58.0	76.0
SLC1175-121ME_	120	0.24	144	80.0	84.0	88.0	58.0	76.0
SLC1175-151ME_	150	0.24	95.0	64.0	70.0	76.0	58.0	76.0
SLC1175-171ME_	170	0.24	73.0	54.0	60.0	63.0	58.0	76.0
SLC1175-201ME_	200	0.24	64.0	48.0	53.0	55.0	58.0	76.0
SLC1175-231ME_	230	0.24	61.0	41.0	46.0	49.0	58.0	76.0
SLC1175-271ME_	270	0.24	52.0	32.0	37.0	40.0	58.0	76.0
SLC1175-301ME_	300	0.24	48.0	27.0	31.0	34.0	58.0	76.0

Notes

When ordering, please specify packaging code: e.g. SLC1175-301MEC.
Inductance tested at 100 kHz, 0.1 Vrms using an Agilent/HP 4284.
DCR measured at 25°C on a micro-ohmmeter at the points indicated in this diagram. For other operating temperatures, use this DCR at Temperature calculator.
SRF measured using an Agilent/HP 8753ES network analyzer or equivalent.
Isat: DC current at 25°C that causes the specified inductance drop from its value without current. Temperature derating curves.
Irms: Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.

Termination:

RoHS compliant matte tin over nickel over copper. Other terminations available at additional cost.

Packaging:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (150 per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to C.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (700 per full reel).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +85°C with (40°C rise) Irms

Storage temperature range:

Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+125°C (ambient + temp rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
150	700*	178/330	60/100	13	30,4	24,4	24	12	4	2	7,62	0,4

* Special order

General specification

Core Material:

Ferrite

Weight:

2.19 – 2.30 g

Packaging:

150/7″ reel, 700/13″ reel; Plastic tape: 24 mm wide, 0.4 mm thick, 12 mm pocket spacing, 7.62 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

SLC1175 Series

High Current Shielded Power Inductors