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Document 404-1

Low Profile Mini Spring™ Inductors
AEC• Only 2 mm tall
• High Q over a wide range of frequencies• Low DCR and excellent current handling capability

Q200 +85°C

Designer’s Kit C394 contains 10 samples each 5% part
Designer’s Kit C394-2 contains 10 samples each 2% part
Terminations RoHS compliant tin-silver over copper. Other terminations available at additional cost.
Weight 48 – 130 g
Ambient temperature –40°C to +125°C with Irms current
Maximum part temperature +140°C (ambient + temp rise).
Storage temperature Component: –40°C to +140°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL) +5 to +70 ppm/°C
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
0.22 per billion hours / 4.545E+09 hours, calculated per Telcordia SR-332Packaging 1000/7″ reel; 3500/13″ reel Plastic tape: 2 mm wide,0.23 mm thick, 8 mm pocket spacing, 2.2 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additionalaqueous wash. See Doc787_PCB_Washing.pdf.

Part 		number1
Turns
1508-5N5_L_
1508-9N0_L_
1508-13N_L_
2508-16N_L_
2508-18N_L_
2508-23N_L_
2508-27N_L_

3
4
57
8910

Inductance2(nH)

Percent
tol3

Q2min

SRF min4(GHz)

DCR max5(mOhm)

Irms6(A)Wt(mg)

5.5
9.0
13.0
16.0
18.0
23.027.0

5,2
5,25,2
5,25,25,25,2115
120
100
110
110
110
110

5.0
4.0
3.0
3.0
2.9
2.6
2.3

2.6
3.4
3.9
5.2
6.0
6.8
7.9

4.0
4.0
4.0
4.0
4.0
4.0
4.0

52
65
78
110
118
133
147

1. Specify tolerance, termination and packaging codes:
2508-27NJLC
Tolerance: G = 2% J = 5%Termination: L = RoHS compliant tin-silver (96.5/3.5) over copper.
Special order: T = RoHS tin-silver-copper(95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (1000 parts per full reel). Quantities less thanfull reel available: in tape (not machine ready) orwith leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our partnumbering system, Coilcraft is eliminating the needfor multiple packaging codes. When ordering, simply
change the last letter of your part number from B to C.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape.
Factory order only, not stocked (3500 parts per full reel).

2. L and Q measured at 250 MHz, 0.1 Vrms, 0 A using an Agilent/HP4291A 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.
5. DCR measured using a micro-ohmmeter.
6. Current that causes a 15°C temperature rise from 25°C ambient. This
information is for reference only and does not represent absolutemaximum ratings.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

Document 404-1 Revised 05/13/21© Coilcraft Inc. 2021
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.

Document 404-2

Low Profile Mini Spring™ Inductors
Typical L vs Frequency
50300

45275
27.0 nH

40Inductance (nH)

Q200 +85°C

18.0 nH
23.0 nH27.0 nH

225

3523.0 nH3025

18.0 nH

2016.0 nH

1513.0 nH

10200175
150
1251007550

50

13.0 nH
16.0 nH250

Q factor

AEC

Typical Q vs Frequency

110100

1000

10000

2501Frequency (MHz)US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg

10100

1000

10000

Dimensions are ininchesmmFrequency (MHz)Document 404-2

Revised 05/13/21© Coilcraft Inc. 2021
This product may not be used in medical or highrisk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.