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Designer's Kits

Low Profile Mini Spring
Air Core Inductors

  • Less than 2/3 the height of our Mini Spring™ Series
  • Flat top jacket for mechanical stability and reliable pick and place operations
  • Exceptionally high Q over a wide frequency range
  • Excellent self resonance – as high as 5 GHz
  • Can handle current as high as 4 Amps
  • AEC-Q200 Grade 3 (−40°C to +85°C)
  • RoHS-compliant  260°C compatible. Tin-silver over copper terminations
  • COTS Plus tin-silver-copper and tin-lead terminations available
  • Samples of all values available in Coilcraft Designer's Kit C394

SPECIFICATIONS


Part number1
Click for samples
Turns Inductance2
(nH)
Percent
tolerance3
Q min2 SRF min4
(GHz)
DCR max5
(mOhms)
Irms6
(A)
Weight
(mg)
1508-5N5_L_ 3 5.5 5,2 115 5.0 2.6 4.0 52
1508-9N0_L_ 4 9.0 5,2 120 4.0 3.4 4.0 65
1508-13N_L_ 5 13.0 5,2 100 3.0 3.9 4.0 78
2508-16N_L_ 7 16.0 5,2 110 3.0 5.2 4.0 110
2508-18N_L_ 8 18.0 5,2 110 2.9 6.0 4.0 118
2508-23N_L_ 9 23.0 5,2 110 2.6 6.8 4.0 133
2508-27N_L_ 10 27.0 5,2 110 2.3 7.9 4.0 147
1 When ordering, please specify tolerance, termination and packaging codes: e.g. 2508-27NJLC
Tolerance: G = 2%, J = 5% (Table above shows stock tolerances in bold.)
  Termination: L = RoHS compliant tin-silver (96.5/3.5) over copper.
Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) over copper or
S = non-RoHS tin-lead (63/37) over copper.
  Packaging: C = 7" machine-ready reel.
EIA-481 embossed plastic tape, 1000 parts per full reel.
B = Less than full reel. In tape, but not machine-ready.
To have a leader and trailer added ($25 charge), use code letter C instead.
D = 13" machine-ready reel.
EIA-481 embossed plastic tape. Factory order only, not stocked, 3500 parts per full reel.
2 Inductance and Q measured at 250 MHz, 0.1 Vrms, 0 A using an Agilent/HP 4291A impedance analyzer with an Agilent/HP 16193A test fixture.
3 Tolerances in bold are stocked for immediate shipment.
4 SRF measured using an Agilent/HP 8753 network analyzer and a Coilcraft SMD-D test fixture. Details
5 DCR measured at 25°C using a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
6 Irms: Current that causes a 15°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
7 Ambient temperature range: −40°C to +125°C with Irms current.
8 Storage temperature range: Component: −40°C to +140°C
Tape and reel packaging: −40°C to +80°C
9 Maximum part temperature: +140°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.
12 Temperature coefficient of inductance: +5 to +70 ppm/°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: September 21, 2015