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Mini Spring
Air Core Inductors

  • Inductance values from 2.5 nH to 43 nH (tolerances as low as 2%)
  • Tight tolerance can eliminate circuit tuning
  • Flat top jacket for mechanical stability and reliable pick and place operations
  • AEC-Q200 Grade 1 (−40°C to +125°C)
  • Exceptionally high Q over a wide frequency range
  • Highest possible self resonance (greater than 3 GHz)
  • Solder coated leads ensure reliable soldering
  • RoHS-compliant  260°C compatible. Terminations: tin-silver over copper
  • COTS Plus tin-silver-copper and tin-lead terminations available
  • Samples of all values are available in Coilcraft Designer's Kit C302

SPECIFICATIONS


Part number1
Click for samples
Turns Inductance2
(nH)
Percent
tolerance3
Q4
typ
Test
freq
(MHz)
SRF
min5
(GHz)
DCR
max6
(mOhm)
Irms7
(A)
Weight
(mg)
A01TKL_ 1 2.5 10 145 150 12.5 1.1 4 31
A02T_L_ 2 5.0 5,2,1 140 150 6.5 1.8 4 42
A03T_L_ 3 8.0 5,2,1 140 150 5.0 2.6 4 52
A04T_L_ 4 12.5 5,2,1 137 150 3.3 3.4 4 65
A05T_L_ 5 18.5 5,2,1 132 150 2.5 3.9 4 78
B06T_L_ 6 17.5 5,2,1 100 150 2.2 4.5 4 100
B07T_L_ 7 22.0 5,2,1 102 150 2.1 5.2 4 110
B08T_L_ 8 28.0 5,2,1 105 150 1.8 6.0 4 118
B09T_L_ 9 35.5 5,2,1 112 150 1.5 6.8 4 133
B10T_L_ 10 43.0 5,2,1 106 150 1.2 7.9 4 147
1 When ordering, please specify tolerance, termination and packaging codes: e.g. B10TJLC
Tolerance: F = 1%, G = 2%, J = 5%, K = 10% (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, 700 (AxxT) or 500 (BxxT) 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, 2500 (AxxT) or 2200 (BxxT) parts per full reel.
2 Inductance measured at 150 MHz using an Agilent/HP 4286A or equivalent with a Coilcraft SMD-A fixture and Coilcraft supplied correlation.
3 Tolerances in bold are stocked for immediate shipment.
4 Q measured at 150 MHz using an Agilent/HP 4291A with an Agilent/HP 16193A test fixture or equivalents.
5 SRF measured with an Agilent/HP 8720D network analyzer or equivalent and a Coilcraft SMD-D test fixture. Details
6 DCR tested at 25°C on the Cambridge Technology Model 510 Micro-ohmmeter or equivalent. For other operating temperatures, use this DCR at Temperature calculator.
7 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.
8 Ambient temperature range: −40°C to +125°C with Irms current.
9 Storage temperature range: Component: −40°C to +140°C
Tape and reel packaging: −40°C to +80°C
10 Maximum part temperature: +140°C (Ambient + temperature rise)
11 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.
12 Electrical specifications at 25°C.
13 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