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MSS1038 Series

Shielded Surface Mount Power Inductors

RoHS compliant AEC-Q flag
Coilcraft MSS1038 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)
Buy Now:
Count Unit price
1 $1.91
250 $1.23
500 $0.75
1000 $0.58
2500 $0.50
5000 $0.46

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

. in stock, ready to ship today.
Request a Sample:
Designer's Kit:
Kit Values Price
C391 31 (3 of each) $100.00

Specifications

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

Part number 1 Inductance (µH) 2 Tolerance (%) DCR max (mΩ) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (A) 6
10% drop 20% drop 30% drop 20°C rise 40°C rise
MSS1038-102NL_ 1.0 30 6.0 138 9.0 11.2 12.1 7.3 10.0
MSS1038-152NL_ 1.5 30 8.1 81.0 7.4 9.5 11.1 5.6 7.9
MSS1038-252NL_ 2.5 30 10.0 61.0 5.7 7.6 9.3 4.7 6.7
MSS1038-382NL_ 3.8 30 13.0 45.0 4.9 6.5 7.6 4.3 6.1
MSS1038-522NL_ 5.2 30 22.0 37.0 4.0 5.3 6.1 3.6 5.1
MSS1038-702NL_ 7.0 30 27.0 33.0 3.6 4.7 5.6 3.1 4.4
MSS1038-103NL_ 10 30 35.0 29.0 3.0 3.9 4.5 2.9 4.1
MSS1038-123ML_ 12 20 41.0 25.0 2.7 3.5 4.0 2.9 4.0
MSS1038-153ML_ 15 20 50.0 21.0 2.8 3.4 3.9 2.7 3.8
MSS1038-183ML_ 18 20 65.0 18.0 2.4 3.1 3.5 2.3 3.4
MSS1038-223ML_ 22 20 73.0 15.0 2.3 2.9 3.3 1.9 2.9
MSS1038-273ML_ 27 20 89.0 15.0 2.0 2.5 2.8 1.7 2.4
MSS1038-333ML_ 33 20 93.0 13.0 1.8 2.3 2.6 1.6 2.3
MSS1038-393ML_ 39 20 112 12.0 1.6 2.0 2.3 1.6 2.3
MSS1038-473ML_ 47 20 128 11.0 1.6 2.0 2.2 1.5 2.2
MSS1038-563ML_ 56 20 180 11.0 1.5 1.8 2.0 1.4 1.9
MSS1038-683ML_ 68 20 213 10.0 1.3 1.6 1.8 1.2 1.8
MSS1038-823ML_ 82 20 261 8.0 1.1 1.4 1.6 1.1 1.5
MSS1038-104ML_ 100 20 304 6.0 1.0 1.3 1.5 1.1 1.5
MSS1038-124KL_ 120 10 380 6.0 0.95 1.2 1.3 0.85 1.3
MSS1038-154KL_ 150 10 506 6.0 0.89 1.1 1.2 0.80 1.2
MSS1038-184KL_ 180 10 582 5.0 0.89 1.0 1.2 0.71 0.98
MSS1038-224KL_ 220 10 756 5.0 0.72 0.88 0.99 0.70 0.97
MSS1038-274KL_ 270 10 926 4.0 0.66 0.81 0.91 0.65 0.86
MSS1038-334KL_ 330 10 1090 4.0 0.59 0.73 0.82 0.50 0.69
MSS1038-394KL_ 390 10 1141 4.0 0.51 0.65 0.74 0.49 0.65
MSS1038-474KL_ 470 10 1243 3.0 0.50 0.62 0.70 0.45 0.63
MSS1038-564KL_ 560 10 1696 3.0 0.43 0.53 0.56 0.43 0.59
MSS1038-684KL_ 680 10 1926 3.0 0.38 0.48 0.52 0.36 0.50
MSS1038-824KL_ 820 10 2596 3.0 0.37 0.46 0.49 0.34 0.47
MSS1038-105KL_ 1000 10 2853 3.0 0.35 0.43 0.46 0.33 0.45
Notes
  1. When ordering, please specify termination and packaging codes: e.g. MSS1038-105KLC
  2. Inductance measured at 100 kHz, 0.1 Vrms using an Agilent/HP 4263B LCR meter or equivalent.
  3. DCR measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
  4. SRF measured using an Agilent/HP 8753D network analyzer or equivalent. Details
  5. Isat: DC current at 25°C that causes the specified inductance drop from its value without current.
    Temperature derating curves.
  6. 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:

  • L = RoHS compliant matte tin over nickel over copper.
  • T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = non-RoHS tin-lead (63/37). (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
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 + temperature rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

mss1038d.gif
dims_inches_mm.gif

Tape and Reel specification

tapereel_pl-(1).gif
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 part_or_o.gif
250 1000* 178/330 60/100 13 30,4 24,4 24 16 4 2 4,3 0,35
* Special order
‡ Part marking does not indicate polarity

General specification

Core Material:
Ferrite
Weight:
1.5 g
Packaging:
250/7″ reel; 1000/13″ reel; Plastic tape: 24 mm wide, 0.35 mm thick, 16 mm pocket spacing, 4.3 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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