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Coupled Power Inductors
for SEPIC – MSD1260 Series

  • Ideal for use as coupled inductors in SEPIC applications
    See application note, Doc 639 Selecting Coupled Inductors for SEPIC Applications
  • Excellent coupling coefficient: K > 0.94
  • Can be used connected in series or parallel, or as a transformer DETAILS
  • Saturation current rating up to 10.3 Amps! Low DC resistance provides high efficiency
  • 500 V isolation, winding-to-winding and winding-to-core
  • RoHS-compliant. 260°C compatible. Matte tin over nickel over phos bronze terminations
  • COTS Plus tin-silver-copper and tin-lead terminations available

Photo    Pricing    Materials declaration    PDF data sheet

SPECIFICATIONS

L vs Frequency   L vs Current     Current Derating     Core loss

Schematic    Qualification standards    Dimensions    

Tape and reel specifications
MSD1260-472ML_ 4.7 ±20% 0.036 32.0 10.3 3.16 4.47
MSD1260-562ML_ 5.6 ±20% 0.040 31.0 9.66 3.00 4.24
MSD1260-682ML_ 6.8 ±20% 0.048 28.0 9.21 2.75 3.88
MSD1260-822ML_ 8.2 ±20% 0.052 25.0 8.55 2.63 3.72
MSD1260-103ML_ 10 ±20% 0.060 22.0 7.40 2.45 3.46
MSD1260-123ML_ 12 ±20% 0.074 21.0 6.86 2.21 3.12
MSD1260-153ML_ 15 ±20% 0.085 17.6 6.09 2.06 2.92
MSD1260-183ML_ 18 ±20% 0.097 17.0 5.30 1.93 2.73
MSD1260-223ML_ 22 ±20% 0.116 15.0 5.01 1.76 2.49
MSD1260-273ML_ 27 ±20% 0.124 13.6 4.66 1.70 2.41
MSD1260-333ML_ 33 ±20% 0.134 12.7 4.22 1.64 2.32
MSD1260-393ML_ 39 ±20% 0.142 11.7 3.8 1.59 2.25
MSD1260-473ML_ 47 ±20% 0.174 8.70 3.25 1.44 2.03
MSD1260-563ML_ 56 ±20% 0.198 7.60 3.07 1.35 1.91
MSD1260-683ML_ 68 ±20% 0.216 6.10 2.83 1.29 1.83
MSD1260-823ML_ 82 ±20% 0.274 5.30 2.55 1.15 1.62
MSD1260-104ML_ 100 ±20% 0.322 5.00 2.20 1.06 1.50
MSD1260-124KL_ 120 ±10% 0.418 4.40 2.05 0.93 1.31
MSD1260-154KL_ 150 ±10% 0.476 4.00 1.82 0.87 1.23
MSD1260-184KL_ 180 ±10% 0.536 3.60 1.60 0.82 1.16
MSD1260-224KL_ 220 ±10% 0.691 3.20 1.51 0.72 1.02
MSD1260-274KL_ 270 ±10% 0.806 2.80 1.41 0.67 0.95
MSD1260-334KL_ 330 ±10% 1.09 2.50 1.28 0.57 0.81
MSD1260-394KL_ 390 ±10% 1.20 2.30 1.16 0.55 0.77
MSD1260-474KL_ 470 ±10% 1.59 2.10 1.00 0.48 0.67
MSD1260-564KL_ 560 ±10% 1.81 2.00 0.95 0.45 0.63
MSD1260-684KL_ 680 ±10% 2.06 1.80 0.88 0.42 0.59
MSD1260-824KL_ 820 ±10% 2.65 1.50 0.79 0.37 0.52
MSD1260-105KL_ 1000 ±10% 3.06 1.20 0.69 0.34 0.49
1 When ordering, please specify termination and packaging codes: e.g. MSD1260-105KLD
  Termination: L = RoHS compliant matte tin over nickel over phos bronze
Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Packaging: D = 13" reel, machine-ready 
EIA-481 embossed plastic tape (500 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.
2 Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value.
3 DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value.
4 SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value. Details
5 Isat: DC current, at which the inductance drops 30% (typ) from its value without current. It is the current flowing in one winding or the sum of the current flowing in both windings. Details
6 Irms, both windings: Equal current, when applied to each winding simultaneously, that causes a 40°C temperature rise from 25°C ambient. See temperature rise calculation. See temperature rise calculation.
7 Irms, one winding: Maximum current, when applied to one winding, that causes a 40°C temperature rise from 25°C ambient. See temperature rise calculation. See temperature rise calculation.
8 Ambient temperature range: –40°C to +85°C with Irms current.
+85°C to +125°C with derated current Derating curve
9 Storage temperature range: Component: –40°C to +85°C
Packaging: –55°C to +80°C
10 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
11 Electrical specifications at 25°C.
See Qualification Standards for complete environmental and test data.
Refer to Soldering Coilcraft Components before soldering.
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Updated: May 13, 2008