0603CS-3N9XJLU

Wirewound Inductor, 3.9 nH, 0.08 ohm, 6.9 GHz, 700 mA, 0603 [1608 Metric], 0603CS Series

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Manufacturer: COILCRAFT
Product type: Wirewound Inductors
Inductance:3.9nH; Product Range:0603CS Series; DC Current Rating:700mA; High Frequency Inductor Case:0603 [1608 Metric]; Inductor Construction:Wirewound; DC Resistance Max:0.08ohm; I
Inductance: 3.9nH
Core Material: Ceramic
Product Range: 0603CS Series
Product Width: 1.12mm
Product Height: 1.02mm
Product Length: 1.8mm
DC Current Rating: 700mA
DC Resistance Max: 0.08ohm
Inductance Tolerance: ± 5%
Inductor Construction: Unshielded
Inductor Case / Package: 0603 [1608 Metric]
Self Resonant Frequency: 6.9GHz

Delivery and price
Units per pack	5
Price	1.17 €
Current stock	10+
Lead time	30 days

Datasheet

Document 195-1 

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## **– Chip Inductors 0603CS (1608)** 

Ultra-small size, exceptional Q and high SRFs make these inductors ideal for high frequency applications where size is at a premium. They also have excellent DCR and current carrying characteristics. 

## **Irms Derating** 

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**----- Start of picture text -----**<br>
120<br>110<br>100<br>90<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>10<br>0<br>-40 -20 0 20 40 60 80 100 120 140<br>Ambient temperature (°C)<br>B C<br>overall D H<br>Pick and<br>F place I<br>material<br>A G J<br>F I<br>terminalE Terminal wraparound:approx 0.007/0,18 both ends RecommendedLand Pattern<br> A  B  C  D<br> max  max  max  ref  E  F  G  H  I J<br> 0.071 0.044 0.040 0.015 0.030 0.013 0.034 0.040 0.025 0.025 inches<br> 1,80  1,12  1,02  0,38  0,76  0,33  0,86  1,02  0,64  0,64 mm<br>Note:  Height dimension (C) is before optional solder application. For maximum<br>height dimension including solder, add 0.006 in / 0,152 mm.<br>Irms<br>Percent of rated<br>25°C<br>**----- End of picture text -----**<br>


## **Typical Q vs Frequency** 

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**----- Start of picture text -----**<br>
100<br>90<br>12 nH<br>80 33 nH<br>70 68 nH 3.9 nH<br>60<br>270 nH<br>50<br>40 120 nH<br>30<br>20<br>10<br>0<br>10 100 1000 10000<br>Frequency (MHz)<br>Q factor<br>**----- End of picture text -----**<br>


## **Typical L vs Frequency** 

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**----- Start of picture text -----**<br>
400<br>350 270 nH<br>300<br>250<br>200<br>120 nH<br>150<br>100 68 nH<br>50 33 nH<br>12 nH<br>0 3.9 nH<br>10 100 1000 10000<br>Frequency (MHz)<br>Inductance (nH)<br>**----- End of picture text -----**<br>


## **Core material** Ceramic 

**Environmental** RoHS compliant, halogen free optional **Terminations** RoHS compliant silver-palladium-platinum-glass frit. Other terminations available at additional cost. 

**Weight** 3.2 – 3.7 mg 

**Ambient temperature** –40°C to +125°C with I rms current, +125°C to +140°C with derated current 

**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)** +25 to +125 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)** One per billion hours / one billion hours, calculated per Telcordia SR-332 **Packaging** 2000 per 7″ reel Paper tape: 8 mm wide, 1.0 mm thick, 4 mm pocket spacing 

**PCB washing** Only pure water or alcohol recommended 

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**US** +1-847-639-6400   sales@coilcraft.comSpecifications subject to change without notice. **UK** +44-1236-730595   sales@coilcraft-europe.comPlease check our website for latest information. **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 195-1 Revised 05/02/12 

© Coilcraft Inc. 2012 This product may not be used in medical of high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check out web site for latest information. 

Document 195-2 

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## **0603CS Series (1608)** 

**Designer’s Kits C324A** and **B** contain 10 each of all 5% values **Designer’s Kits C324A-2** and **B-2** contain 10 each of all 2% values 

|**0603CS Series (1608)**<br>**Designer’s**|**Kits C324A-2**and**B-2**contain 10 each of all 2% values|
|---|---|
|**Inductance**2<br>**Percent**<br>**Q**<br>**900 MHz**<br>  **Part number**1<br>**(nH)**<br> **tolerance**3  **min**4**Ltyp Q typ**|**SRF**<br>**DCR**<br>**1.7 GHz**<br>**min**5<br>**max**6<br> **Irms**7**Color**<br>**Ltyp Q typ**<br>**(GHz)**<br>**(Ohms)**<br>**(mA)**<br>**dot**|
|0603CS-1N6X_L_<br>1.6 @ 250 MHz<br>**5**<br>24<br>1.67<br>49<br>0603CS-1N8X_L_<br>1.8 @ 250 MHz<br>**5**<br>16<br>1.83<br>35<br>0603CS-2N2X_L_<br>2.2 @ 250 MHz<br>**5**<br>13<br>2.22<br>31<br>0603CS-3N3X_L_<br>3.3 @ 250 MHz<br>**5**,3,**2**<br>35<br>3.31<br>75<br>0603CS-3N6X_L_<br>3.6 @ 250 MHz<br>**5**,3,**2**<br>22<br>3.72<br>53|1.65<br>63<br>12.5<br>0.030<br>700<br>Red<br>1.86<br>50<br>12.5<br>0.045<br>700<br>Black<br>2.24<br>44<br>12.5<br>0.250<br>100<br>Yellow<br>3.38<br>88<br>5.90<br>0.045<br>700<br>Blue<br>3.71<br>65<br>5.90<br>0.063<br>700<br>Red|
|0603CS-3N9X_L_<br>3.9 @ 250 MHz<br>**5**,3,**2**<br>22<br>3.95<br>49<br>0603CS-4N3X_L_<br>4.3 @ 250 MHz<br>**5**,3,**2**<br>22<br>4.32<br>50<br>0603CS-4N7X_L_<br>4.7 @ 250 MHz<br>**5**,3,**2**<br>20<br>4.72<br>47<br>0603CS-5N1X_L_<br>5.1 @ 250 MHz<br>**5**,3,**2**<br>20<br>4.93<br>47<br>0603CS-5N6X_L_<br>5.6 @ 250 MHz<br>**5**,3,**2**<br>26<br>5.77<br>63|3.96<br>67<br>6.90<br>0.080<br>700<br>Brown<br>4.33<br>70<br>5.90<br>0.063<br>700<br>Orange<br>4.75<br>57<br>5.80<br>0.116<br>700<br>Violet<br>4.95<br>56<br>5.70<br>0.140<br>700<br>Green<br>6.05<br>80<br>4.76<br>0.075<br>700<br>Black|
|0603CS-6N8X_L_<br>6.8 @ 250 MHz<br>**5**,3,**2**<br>27<br>6.75<br>60<br>0603CS-7N5X_L_<br>7.5 @ 250 MHz<br>**5**,3,**2**<br>28<br>7.70<br>60<br>0603CS-8N2X_L_<br>8.2 @ 250 MHz<br>**5**,3,**2**<br>30<br>8.25<br>82<br>0603CS-8N7X_L_<br>8.7 @ 250 MHz<br>**5**,3,**2**<br>28<br>8.86<br>62<br>0603CS-9N5X_L_<br>9.5 @ 250 MHz<br>**5**,3,**2**<br>28<br>9.7<br>59|7.10<br>81<br>5.80<br>0.110<br>700<br>Red<br>7.82<br>65<br>4.80<br>0.106<br>700<br>Brown<br>8.37<br>87<br>4.20<br>0.115<br>700<br>Orange<br>9.32<br>58<br>4.60<br>0.109<br>700<br>Yellow<br>9.92<br>61<br>5.40<br>0.135<br>700<br>Blue|
|0603CS-10NX_L_<br>10 @ 250 MHz<br>**5**,3,**2**<br>31<br>10.0<br>66<br>0603CS-11NX_L_<br>11 @ 250 MHz<br>**5**,3,**2**<br>30<br>11.0<br>53<br>0603CS-12NX_L_<br>12 @ 250 MHz<br>**5**,3,**2**<br>35<br>12.3<br>72<br>0603CS-15NX_L_<br>15 @ 250 MHz<br>**5**,3,**2**<br>35<br>15.4<br>64<br>0603CS-16NX_L_<br>16 @ 250 MHz<br>**5**,3,**2**<br>34<br>16.2<br>55|10.6<br>83<br>4.80<br>0.130<br>700<br>Orange<br>11.5<br>56<br>4.00<br>0.130<br>700<br>Gray<br>13.5<br>83<br>4.00<br>0.130<br>700<br>Yellow<br>16.8<br>89<br>4.00<br>0.170<br>700<br>Green<br>17.3<br>52<br>3.30<br>0.170<br>700<br>White|
|0603CS-18NX_L_<br>18 @ 250 MHz<br>**5**,3,**2**<br>35<br>18.7<br>70<br>0603CS-22NX_L_<br>22 @ 250 MHz<br>**5**,3,**2**<br>38<br>22.8<br>73<br>0603CS-23NX_L_<br>23 @ 250 MHz<br>**5**,3,**2**<br>38<br>24.1<br>71<br>0603CS-24NX_L_<br>24 @ 250 MHz<br>**5**,3,**2**<br>36<br>24.5<br>45<br>0603CS-27NX_L_<br>27 @ 250 MHz<br>**5**,3,**2**<br>40<br>29.2<br>74|21.4<br>69<br>3.10<br>0.170<br>700<br>Blue<br>26.1<br>71<br>3.00<br>0.190<br>700<br>Violet<br>28.0<br>67<br>2.85<br>0.190<br>700<br>Orange<br>28.7<br>39<br>2.65<br>0.190<br>700<br>Black<br>34.6<br>65<br>2.80<br>0.220<br>600<br>Gray|
|0603CS-30NX_L_<br>30 @ 250 MHz<br>**5**,3,**2**<br>37<br>31.4<br>47<br>0603CS-33NX_L_<br>33 @ 250 MHz<br>**5**,3,**2**<br>40<br>36.0<br>67<br>0603CS-36NX_L_<br>36 @ 250 MHz<br>**5**,3,**2**<br>37<br>39.4<br>47<br>0603CS-39NX_L_<br>39 @ 250 MHz<br>**5**,3,**2**<br>40<br>42.7<br>60<br>0603CS-43NX_L_<br>43 @ 250 MHz<br>**5**,3,**2**<br>38<br>47.0<br>44|39.9<br>28<br>2.25<br>0.220<br>600<br>Brown<br>49.5<br>42<br>2.30<br>0.220<br>600<br>White<br>52.7<br>24<br>2.08<br>0.250<br>600<br>Red<br>60.2<br>40<br>2.20<br>0.250<br>600<br>Black<br>64.9<br>21<br>2.00<br>0.280<br>600<br>Orange|
|0603CS-47NX_L_<br>47 @ 200 MHz<br>**5**,3,**2**<br>38<br>52.2<br>62<br>0603CS-51NX_L_<br>51 @ 200 MHz<br>**5**,3,**2**<br>35<br>55.5<br>69<br>0603CS-56NX_L_<br>56 @ 200 MHz<br>**5**,3,**2**<br>38<br>62.5<br>56<br>0603CS-68NX_L_<br>68 @ 200 MHz<br>**5**,3,**2**<br>37<br>80.5<br>54<br>0603CS-72NX_L_<br>72 @ 150 MHz<br>**5**,3,**2**<br>34<br>82.0<br>53|77.2<br>35<br>2.00<br>0.280<br>600<br>Brown<br>82.2<br>34<br>1.90<br>0.270<br>600<br>Blue<br>97.0<br>26<br>1.90<br>0.310<br>600<br>Red<br>168<br>21<br>1.70<br>0.340<br>600<br>Orange<br>135<br>20<br>1.70<br>0.490<br>400<br>Yellow|
|0603CS-82NX_L_<br>82 @ 150 MHz<br>**5**,3,**2**<br>34<br>96.2<br>54<br>0603CS-R10X_L_<br>100 @ 150 MHz<br>**5**,3,**2**<br>34<br>124<br>49<br>0603CS-R11X_L_<br>110 @ 150 MHz<br>**5**,3,**2**<br>32<br>138<br>43<br>0603CS-R12X_L_<br>120 @ 150 MHz<br>**5**,3,**2**<br>32<br>166<br>39<br>0603CS-R15X_L_<br>150 @ 150 MHz<br>**5**,3,**2**<br>28<br>250<br>25|177<br>21<br>1.70<br>0.540<br>400<br>Green<br>—<br>—<br>1.40<br>0.580<br>400<br>Blue<br>—<br>—<br>1.35<br>0.610<br>300<br>Violet<br>—<br>—<br>1.30<br>0.650<br>300<br>Gray<br>—<br>—<br>0.990<br>0.920<br>280<br>White|
|0603CS-R18X_L_<br>180 @ 100 MHz<br>**5**,3,**2**<br>25<br>305<br>22<br>0603CS-R20X_L_<br>200 @ 100 MHz<br>**5**,3,**2**<br>25<br>—<br>—<br>0603CS-R21X_L_<br>210 @ 100 MHz<br>**5**,3,**2**<br>27<br>—<br>—<br>0603CS-R22X_L_<br>220 @ 100 MHz<br>**5**,3,**2**<br>25<br>—<br>—<br>0603CS-R25X_L_<br>250 @ 100 MHz<br>**5**,3,**2**<br>25<br>—<br>—|—<br>—<br>0.990<br>1.25<br>240<br>Black<br>—<br>—<br>0.900<br>1.98<br>200<br>Green<br>—<br>—<br>0.895<br>2.06<br>200<br>Gray<br>—<br>—<br>0.900<br>2.10<br>200<br>Brown<br>—<br>—<br>0.822<br>3.55<br>120<br>Violet|
|0603CS-R27X_L_<br>270 @ 100 MHz<br>**5**,3,**2**<br>26<br>—<br>—<br>0603CS-R33X_L_<br>330 @ 100 MHz<br>**5**,3,**2**<br>25<br>—<br>—<br>0603CS-R39X_L_<br>390 @ 100 MHz<br>**5**,3,**2**<br>25<br>—<br>—|—<br>—<br>0.830<br>2.16<br>170<br>Red<br>—<br>—<br>0.900<br>3.89<br>100<br>Blue<br>—<br>—<br>0.780<br>4.35<br>100<br>Yellow|



2. Inductance measured using a Coilcraft SMD-A fixture in an Agilent/ HP 4286 impedance analyzer with Coilcraft-provided correlation pieces. 

1. When ordering, specify **tolerance** , **termination** and **packaging** codes: 

3. Tolerances in bold are stocked for immediate shipment. 

## **0603CS-R39XJLW** 

4. Q measured at the same frequency as inductance using an Agilent/ HP 4291A with an Agilent/HP 16193 test fixture. 

**Tolerance: G** = 2% **H** = 3% **J** = 5% (Table shows stock tolerances in bold.) 

5. SRF measured using an Agilent/HP 8720D network analyzer and a Coilcraft SMD-D test fixture. 

**Termination: L** = RoHS compliant silver-palladium-platinum-glass frit. **E** = Halogen free component. RoHS compliant silverpalladium-platinum-glass frit terminations. Special order: **T** = RoHS tin-silver-copper (95.5/4/0.5) or **S** = non-RoHS tin-lead (63/37). 

6. DCR measured on a Cambridge Technology micro-ohmmeter and a Coilcraft CCF858 test fixture. 

7. Current that causes a 15°C temperature rise from 25°C ambient. 

8. Electrical specifications at 25°C. 

**Packaging: W** = 7″ machine-ready reel. EIA-481 punched paper tape (2000 parts per full reel). 

Refer to Doc 362 “Soldering Surface Mount Components” before soldering. 

**U** = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter W instead. 

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**US** +1-847-639-6400   sales@coilcraft.comSpecifications subject to change without notice. **UK** +44-1236-730595   sales@coilcraft-europe.comPlease check our website for latest information. **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 195-2 Revised 05/02/12 

**==> picture [117 x 44] intentionally omitted <==**

© Coilcraft Inc. 2012 This product may not be used in medical of high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check out web site for latest information.

Updated at March 17, 2026

Coilcraft is a globally recognized leader in the design and manufacture of high-performance magnetic components. Renowned for its engineering excellence, reliable delivery, and stringent quality standards, the company provides essential solutions for a wide array of demanding applications, including signal processing, RF, power management, and timing circuits. Our comprehensive portfolio of Coilcraft components is centered on their industry-leading inductor technologies. This encompasses a vast selection of high-efficiency power inductors designed to optimize modern power supply architectures, alongside precision RF inductors engineered to deliver exceptional stability and performance in high-frequency communications and wireless applications. To support complete electromagnetic compatibility and comprehensive circuit design, we also offer a variety of Coilcraft's specialized magnetic solutions. This includes robust common mode chokes and filters for effective EMC and RFI suppression, current sensing transformers, and a selection of inductor kits and assortments that provide design engineers with versatile options for rapid prototyping and development.

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