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MSS1210 Series

Shielded Power Inductors

RoHS compliant halogen free AEC-Q flag
Coilcraft MSS1210 Series shielded surface-mount power inductors feature low DC resistance and excellent current handling in a wide range of industry-standard footprints and 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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Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (mH) 2 Tolerance (%) DCR (Ω) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (A) 6
typ max 10% drop 20% drop 30% drop 20°C rise 40°C rise
MSS1210-103ME_ 0.0100 20 0.014 0.016 15.0 9.6 11.5 12.5 4.7 6.5
MSS1210-153ME_ 0.015 20 0.019 0.022 12.0 8.3 9.9 10.7 4.2 5.7
MSS1210-223ME_ 0.022 20 0.026 0.030 9.5 6.8 8.1 8.8 3.2 4.4
MSS1210-333ME_ 0.033 20 0.033 0.039 7.5 5.4 6.4 6.9 2.9 3.8
MSS1210-473ME_ 0.047 20 0.048 0.056 6.0 4.5 5.4 5.8 2.2 3.0
MSS1210-683ME_ 0.068 20 0.068 0.080 4.5 3.8 4.5 4.9 2.1 2.8
MSS1210-104KE_ 0.100 10 0.11 0.13 3.6 3.1 3.7 4.0 1.8 2.4
MSS1210-124KE_ 0.12 10 0.12 0.14 3.3 2.9 3.4 3.7 1.7 2.3
MSS1210-154KE_ 0.15 10 0.16 0.19 2.9 2.6 3.1 3.4 1.3 1.8
MSS1210-184KE_ 0.18 10 0.17 0.20 2.8 2.3 2.8 3.0 1.2 1.7
MSS1210-224KE_ 0.22 10 0.19 0.23 2.7 2.1 2.5 2.8 1.1 1.5
MSS1210-334KE_ 0.33 10 0.29 0.34 1.8 1.7 2.1 2.2 0.85 1.2
MSS1210-474KE_ 0.47 10 0.43 0.51 1.6 1.4 1.7 1.8 0.70 0.98
MSS1210-684KE_ 0.68 10 0.54 0.63 1.4 1.2 1.4 1.6 0.69 0.91
MSS1210-105KE_ 1.0 10 0.82 0.96 1.1 0.98 1.2 1.3 0.60 0.83
MSS1210-125KE_ 1.2 10 1.1 1.3 1.0 0.91 1.1 1.2 0.49 0.67
MSS1210-155KE_ 1.5 10 1.2 1.5 0.85 0.81 0.96 1.0 0.46 0.65
MSS1210-185KE_ 1.8 10 1.4 1.6 0.85 0.73 0.87 0.95 0.45 0.63
MSS1210-225KE_ 2.2 10 1.8 2.1 0.70 0.66 0.79 0.86 0.38 0.52
MSS1210-275KE_ 2.7 10 2.0 2.4 0.65 0.59 0.71 0.77 0.36 0.50
MSS1210-335KE_ 3.3 10 2.7 3.2 0.56 0.54 0.64 0.70 0.31 0.43
MSS1210-395KE_ 3.9 10 3.0 3.5 0.54 0.50 0.60 0.64 0.30 0.41
MSS1210-475KE_ 4.7 10 3.3 3.9 0.51 0.45 0.54 0.58 0.28 0.39
MSS1210-565KE_ 5.6 10 3.7 4.4 0.45 0.41 0.49 0.54 0.27 0.38
MSS1210-685KE_ 6.8 10 5.0 5.9 0.40 0.38 0.45 0.49 0.22 0.31
MSS1210-825KE_ 8.2 10 5.5 6.5 0.38 0.35 0.41 0.45 0.21 0.28
MSS1210-106KE_ 10 10 7.4 8.7 0.31 0.31 0.37 0.40 0.18 0.24
Notes
  1. When ordering, please specify termination and packaging codes: e.g. mss1210-474MED
  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 Agilent/HP 4191A network analyzer or equivalent.
  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:

  • E = Halogen free component. RoHS compliant matte tin over nickel over phos bronze.
  • Q = RoHS tin-silver-copper (95.5/4/0.5) over tin over nickel over phos bronze. (Special order, added cost)
  • P = non-RoHS tin-lead (63/37) over tin over nickel over phos bronze. (Special order, added cost)

Packaging:

  • 13" reel, machine-ready 
    EIA-481 embossed plastic tape (300 parts per full reel).
  • B = Less than full reel
    In tape, not machine ready. To have a leader and trailer added ($25 charge), 
    use code letter D instead.
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):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

mss1210d.gif
dims_inches_mm.gif

Tape and Reel specification

tapereel_pl.gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation ‡
13" (330 mm) A B C D E W P Po P1 H T part_or_o.gif
300 330 100 13 30,4 24,4 24 20 4 2 10,3 0,5
‡ Part marking does not indicate polarity.

General specification

Core Material:
Ferrite
Weight:
5.1 - 6.2 g
Packaging:
300/13″ reel; Plastic tape: 24 mm wide, 0.5 mm thick, 20 mm pocket spacing, 10.3 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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