MSS7348 Series

Shielded Surface Mount Power Inductors

Coilcraft MSS7348 Series shielded surface-mount power inductors feature low DC resistance and excellent current handling in a wide range of inductance values, making them a cost-effective option for a variety of general-purpose applications.

Low-loss ferrite drum core for flat inductance vs current
Low DC resistance for greater efficiency
Excellent current handling
Magnetic shielding allows high-density mounting
AEC-Q200 Grade 3 (-40°C to +85°C)

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Count	Unit price
1	$2.01
250	$1.32
500	$0.79
1000	$0.62
2500	$0.53
5000	$0.49

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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Specifications

Electrical specifications at 25°C. Operating voltage 400 V max

Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	DCR (Ω) 3		SRF typ (MHz) 4	Isat (A) 5			Irms (A) 6
Part number 1	Inductance (µH) 2 (Tolerance: ±20%)	typ	max	SRF typ (MHz) 4	10% drop	20% drop	30% drop	20°C rise	40°C rise
MSS7348-332ME_	3.3	0.015	0.018	131	4.3	5.2	5.7	3.2	4.4
MSS7348-472ME_	4.7	0.024	0.029	87.0	3.2	3.8	4.2	2.5	3.4
MSS7348-682ME_	6.8	0.029	0.035	43.0	2.8	3.3	3.6	2.3	3.1
MSS7348-103ME_	10	0.038	0.045	27.0	2.2	2.6	2.9	2.2	3.0
MSS7348-153ME_	15	0.047	0.056	23.0	1.7	2.1	2.4	2.0	2.7
MSS7348-223ME_	22	0.067	0.080	18.0	1.5	1.8	2.0	1.7	2.3
MSS7348-333ME_	33	0.11	0.12	13.0	1.2	1.6	1.7	1.3	1.7
MSS7348-473ME_	47	0.13	0.15	12.0	1.0	1.2	1.4	1.2	1.6
MSS7348-683ME_	68	0.20	0.23	8.1	0.83	1.0	1.1	0.94	1.2
MSS7348-104ME_	100	0.30	0.32	7.0	0.71	0.84	0.92	0.77	1.0
MSS7348-154ME_	150	0.46	0.52	5.6	0.58	0.68	0.75	0.63	0.84
MSS7348-224ME_	220	0.59	0.62	4.8	0.50	0.58	0.64	0.55	0.74
MSS7348-334ME_	330	0.89	0.98	3.7	0.39	0.46	0.51	0.44	0.60
MSS7348-474ME_	470	1.3	1.4	3.1	0.35	0.41	0.45	0.37	0.50
MSS7348-684ME_	680	1.6	1.8	2.6	0.28	0.32	0.36	0.32	0.42
MSS7348-105ME_	1000	2.5	2.7	2.2	0.22	0.27	0.29	0.26	0.35

Notes

When ordering, please specify termination and packaging codes: e.g. MSS7348-105MEC
Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter
DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD-D test fixture. Details
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:

E = RoHS compliant matte tin over nickel over phos bronze (current production) or gold over nickel over phos bronze (prior production).
T = RoHS tin-silver-copper (95.5/4/0.5) over gold over nickel over phos bronze. (Special order, added cost)
S = non-RoHS tin-lead (63/37) over gold over nickel over phos bronze. (Special order, added cost)

Packaging:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. 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 (1000 parts per full reel).

Environmental

Environmental:

RoHS compliant , halogen free

Ambient temperature range:

–40°C to +85°C with (40°C rise) Irms current.

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
250	1000*	178/330	60/100	13	22,4	16,4	16	12	4	2	4,9	0,4

* Special order

General specification

Core Material:

Ferrite

Weight:

0.58 - 0.72 g

Packaging:

250/7″ reel; 1000/13″ reel; Plastic tape: 16 mm wide, 0.4 mm thick, 12 mm pocket spacing, 4.9 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.

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MSS7348 Series

Shielded Surface Mount Power Inductors

Selected configuration not available

Specifications

Termination:

Packaging:

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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