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MSS1812T Series

High Temperature Power Inductors

RoHS compliant halogen free AEC-Q flag
Coilcraft MSS1812T 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. 
  • 7 inductance values from 100 µH to 1000 µH
  • 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 1 (−40°C to +125°C)​
Buy Now:
Count Unit price
1 $5.94
175 $4.85
350 $3.64
525 $2.18
1000 $1.70
2500 $1.46
5000 $1.33

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
C499 7 (3 of each) $45.00

Specifications

Electrical specifications at 25°C.

Part number 1 Inductance (µH) 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
MSS1812T-104MED 100 20 0.045 0.052 3.3 5.2 5.8 6.0 2.87 4.35
MSS1812T-154KED 150 10 0.057 0.066 2.8 4.2 4.6 4.8 2.50 3.80
MSS1812T-224KED 220 10 0.086 0.098 2.3 3.6 3.8 4.0 2.09 3.16
MSS1812T-334KED 330 10 0.130 0.150 1.8 2.9 3.1 3.1 1.68 2.55
MSS1812T-474KED 470 10 0.200 0.230 1.35 2.4 2.7 2.8 1.39 2.10
MSS1812T-684KED 680 10 0.240 0.270 1.33 2.0 2.2 2.3 1.24 1.88
MSS1812T-105KED 1000 10 0.450 0.520 0.85 1.7 1.8 1.8 0.93 1.40
Notes
  1. When ordering, please specify termination and packaging codes: e.g. MSS1812T-105KED
  2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent.
  3. DCR measured at 25°C on a micro-ohmmeter and a Coilcraft CCF858 test fixture. For other operating temperatures, use this DCR at Temperature calculator.
  4. SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD -D test fixture.
  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 = RoHS compliant matte tin over nickel over phos bronze.
  • Q = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • P = Non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

  • 13" reel, machine-ready 
    EIA-481 embossed plastic tape. Factory order only, not stocked (175 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
Environmental
Environmental:
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +125°C with (40°C rise) Irms current.
Storage temperature range:
Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C
Maximum part temperature:
+165°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

mss1812td.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
175 330 100 13 50,4 44,4 44 28 4 2 12,4 0,5
‡ Part marking does not indicate polarity

General specification

Core Material:
Ferrite
Weight:
11.82 - 13.26 g
Packaging:
175/13″ reel; Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 12.4 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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