Mini Spring™
Air Core Inductors
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New RoHS part numbers are shown. Lead was removed from terminations. The next to the last character is now L to indicate RoHS compliance. (View old data sheet.) |
- 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
Photo 
Pricing 
Materials declaration 
PDF data sheet
SPECIFICATIONS
Q vs Frequency
L vs Frequency
Current Derating
Dimensions
Tape
and reel specifications
3D models
A0xT
BxxT
S-Parameters
Transmission Line models Modelithics™ substrate scalable models
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| 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 |
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| 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. |
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| 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. |
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| 2 | Inductance measured at 150 MHz using an Agilent/HP 4286A 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. | |
| 5 | SRF measured with an Agilent/HP 8720D network analyzer and a Coilcraft SMD-D test fixture. Details | |
| 6 | DCR tested on the Cambridge Technology Model 510 Micro-ohmmeter. | |
| 7 | Irms: Current that causes a 15°C temperature rise from 25°C ambient. Details | |
| 8 | Ambient temperature range: |
–40°C to +125°C with Irms current. +125°C to +140°C with derated current. Derating curve |
| 9 | Storage temperature range: | Component: –40°C to +140°C T&R packaging: –40°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. | |
| 12 | Temperature coefficient of inductance: +5 to +70 ppm/°C. | |
| Refer to Soldering Coilcraft Components before soldering. | ||
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