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Designer's Kits

SRT8045 Series Shielded
Surface Mount Power Inductors

  • Magnetically shielded
  • Saturation current rating up to 17.4 Amps
  • Low DC resistance for greater efficiency
  • AEC-Q200 Grade 1 (–40°C to +125°C)
  • RoHS-compliant, halogen free. 260°C compatible. RoHS compliant matte tin over nickel over phos bronze terminations
  • COTS Plus tin-silver-copper and tin-lead terminations available
  • Samples of all values are available in Coilcraft Designer's Kit C469

SPECIFICATIONS

Part number1
Click to get parts  
Inductance2
(µH) ±20%
DCR (mOhms)3 SRF
typ4
(MHz)
Isat (A)5 Irms (A)6
typ max 10% drop 20% drop 30% drop 20°C rise 40°C rise
SRT8045-142ME_ 1.4 7.70 9.5 69.0 15.8 16.8 17.4 8.0 12
SRT8045-402ME_ 4.0 11.6 14.5 34.5 10.1 11.4 12.1 6.8 9.9
SRT8045-103ME_ 10 32.5 37.0 22.0 5.70 6.40 7.00 4.2 6.0
SRT8045-153ME_ 15 45.7 48.8 16.4 4.20 5.00 5.50 4.0 5.8
SRT8045-223ME_ 22 64.0 68.0 13.1 3.40 3.90 4.50 2.8 3.8
1 When ordering, please specify packaging code: e.g. SRT8045-223MEC
Packaging: C = 7" 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 C instead.
D = 13" reel, machine-ready EIA-481 embossed plastic tape (1200 parts per full reel).
2 Inductance measured at 100 kHz, 0.1 Vrms.
3 DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
4 SRF measured using an Agilent/HP 4395A 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.
7 Ambient temperature range: −40°C to +125°C with (40°C rise) Irms Derating curves
8 Storage temperature range: Component: −40°C to +165°C
Tape and reel packaging: −40°C to +80°C
9 Maximum part temperature: +165°C (Ambient + temperature rise)
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.
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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Updated: October 30, 2017