 
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
- 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
Photo 
Pricing 
Materials declaration 
PDF data sheet
SPECIFICATIONS
Q vs Frequency
L vs Frequency
Current Derating
 Dimensions
Qualification standards 
Tape and reel specifications
 S-Parameters
Transmission Line models
| 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 using a micro-ohmmeter. |
| 6 |
Irms: Current that causes a
15°C temperature rise from 25°C ambient.
Details |
| 7 |
Ambient temperature range: |
–40°C to +125°C with Irms current.
+125°C to +140°C with derated current. Derating curve |
| 8 |
Storage temperature range: |
Component: –40°C to +140°C
Packaging: –55°C to +80°C |
| 9 |
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. |
| 10 |
Electrical specifications at 25°C. |
| 11 |
Temperature
coefficient of inductance: +5 to +70 ppm/°C.
Details |
| See
Qualification Standards for complete environmental and
test data. |
| Refer to Soldering Coilcraft Components before soldering. |
 |
|
|