0603CT-20NXGRW

Wirewound Inductor, 20 nH, 0.175 ohm, 2.9 GHz, 760 mA, 0603 [1608 Metric], 0603CT Series

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Manufacturer: COILCRAFT
Product type: Wirewound Inductors
Inductance:20nH; Product Range:0603CT Series; DC Current Rating:760mA; High Frequency Inductor Case:0603 [1608 Metric]; Inductor Construction:Wirewound; DC Resistance Max:0.175ohm; In
SVHC: No SVHC (25-Jun-2025)
Inductance: 20nH
Core Material: Ceramic
Product Range: 0603CT Series
Product Width: 0.84mm
Product Height: 0.61mm
Product Length: 1.63mm
DC Current Rating: 760mA
DC Resistance Max: 0.175ohm
Inductor Case Style: 0603 [1608 Metric]
Inductance Tolerance: ± 2%
Inductor Construction: Unshielded
Inductor Case / Package: 0603 [1608 Metric]
Self Resonant Frequency: 2.9GHz

Delivery and price
Units per pack	2000
Price	0.412 €
Current stock	500+
Lead time	30 days

Datasheet

Web page 

Sample Tools & Support & buy software & FAQ 

Document 485-1 

> Halogen • Very low profile – only 60% of the height of our other 0603 Free inductor series 

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

- Excellent Q, low DCR and very high SRF 

**Designer’s Kit C423** contains 10 each of all stocked 5% values and **Designer’s Kit C423-2** contains 10 each of all 2% values. 

||||||||||**SRF**|**DCR**||
|---|---|---|---|---|---|---|---|---|---|---|---|
|**Inductance**2||||**Percent**|**900 MHz**|**900 MHz**|**1.7 GHz**||**typ**5|**max**6|**Irms**7|
|**Part number**1|**(nH)**||**tolerance**3||**L typ**|**Q typ**4|**L typ**|**Q typ**4|**(GHz)**|**(Ohms)**|**(mA)**|
|0603CT-1N0XJR_|1.0|||**5**|0.98|39|0.99|58|16.0|0.045|1600|
|0603CT-1N2XJR_|1.2|||**5**|1.18|35|1.19|50|16.0|0.105|1100|
|0603CT-2N0XJR_|2.0|||**5**|1.98|46|1.98|70|12.0|0.034|1900|
|0603CT-2N2XJR_|2.2|||**5**|2.10|50|2.13|74|10.7|0.046|1600|
|0603CT-2N3XJR_|2.3|||**5**|2.27|55|2.28|81|11.0|0.046|1600|
|0603CT-2N5XJR_|2.5|||**5**|2.48|52|2.50|77|11.0|0.060|1300|
|0603CT-3N0X_R_|3.0|||**5,2**|2.96|57|2.97|82|10.7|0.039|1600|
|0603CT-3N3X_R_|3.3|||**5,2**|3.27|60|3.33|83|7.00|0.039|1600|
|0603CT-3N6X_R_|3.6|||**5,2**|3.58|69|3.63|95|7.00|0.044|1600|
|0603CT-3N9X_R_|3.9|||**5,2**|3.87|68|3.95|90|6.30|0.050|1400|
|0603CT-4N3X_R_|4.3|||**5,2**|4.26|58|4.34|84|6.30|0.076|1300|
|0603CT-4N7X_R_|4.7|||**5,2**|4.66|50|4.75|70|5.60|0.120|960|
|0603CT-5N1X_R_|5.1|||**5,2**|5.12|68|5.18|93|5.50|0.050|1400|
|0603CT-5N6X_R_|5.6|||**5,2**|5.60|67|5.73|90|5.05|0.058|1300|
|0603CT-6N8X_R_|6.8|||**5,2**|6.78|60|7.00|81|4.50|0.080|1200|
|0603CT-7N2X_R_|7.2|||**5,2**|7.19|65|7.44|88|4.50|0.047|1500|
|0603CT-8N2X_R_|8.2|||**5,2**|8.18|60|8.46|78|4.25|0.075|1300|
|0603CT-9N5X_R_|9.5|||**5,2**|9.52|63|9.92|80|3.95|0.092|1100|
|0603CT-10NX_R_|10|||**5,2**|10.0|67|10.4|85|3.95|0.075|1300|
|0603CT-11NX_R_|11|||**5,2**|11.0|66|11.5|86|4.00|0.110|1000|
|0603CT-12NX_R_|12|||**5,2**|12.0|68|12.7|85|3.50|0.130|920|
|0603CT-15NX_R_|15|||**5,2**|15.2|65|16.1|80|3.30|0.145|800|
|0603CT-16NX_R_|16|||**5,2**|16.3|63|17.5|76|3.10|0.175|760|
|0603CT-18NX_R_|18|||**5,2**|18.1|66|19.2|80|2.95|0.200|720|
|0603CT-20NX_R_|20|||**5,2**|20.2|67|21.6|80|2.90|0.175|760|
|0603CT-22NX_R_|22|||**5,2**|22.4|60|24.3|70|2.75|0.220|700|
|0603CT-24NX_R_|24|||**5,2**|24.4|61|26.5|72|2.70|0.240|680|
|0603CT-27NX_R_|27|||**5,2**|27.4|62|29.8|75|2.55|0.270|670|
|0603CT-30NX_R_|30|||**5,2**|30.5|62|33.9|73|2.45|0.330|600|
|0603CT-33NX_R_|33|||**5,2**|34.0|55|39.1|61|2.20|0.330|600|
|0603CT-36NX_R_|36|||**5,2**|37.2|61|42.3|63|2.30|0.335|600|
|0603CT-39NX_R_|39|||**5,2**|40.3|60|45.3|65|2.25|0.400|570|
|0603CT-43NX_R_|43|||**5,2**|44.5|57|51.3|60|2.10|0.440|530|
|0603CT-47NX_R_|47|||**5,2**|48.2|55|57.8|57|1.90|0.540|470|
|0603CT-51NX_R_|51|||**5,2**|53.0|55|63.2|55|1.85|0.570|440|
|0603CT-56NX_R_|56|||**5,2**|59.4|54|75.4|48|1.75|0.700|420|
|1. When ordering, specify**tolerance, termination**and**packaging**codes:<br>**0603CT-56NXGRW**<br>**Tolerance:**<br>**G**= 2%**J**= 5%||||||5. SRF measured using Agilent/HP 8722ES network analyzer and Coilcraft<br>SMD -D test fixture.<br>6. DCR measured on Cambridge Technology micro-ohmmeter and Coilcraft<br>CCF858 test fixture.||||||
|(Table shows stock tolerances in bold.)||||||7. Current that causes a 15°C temperature rise from 25°C ambient. This||||||
|**Termination: R =**RoHS matte Sn over Ni over Ag-Pt-glass frit.<br> Special order: <br>**T**= RoHS Sn/Ag/Cu (95.5/4.0/0.5) (63/37).<br>**S**= Not RoHS Sn/Pb (63/37).||||||information is for reference only and does not represent absolute<br>maximum ratings.<br>8. Electrical specifications at 25°C.<br>Refer to Doc 362 “Soldering Surface Mount Components” before soldering.||||||



**Packaging: W** = 7″ machine-ready reel. EIA-481 punched paper tape (2000 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge). 

**U** = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from U to W. 

2. Inductance measured at 250 MHz, 0.1 Vrms, 0 Adc using Coilcraft SMD-A fixture in Agilent/HP 4287A impedance analyzer. 

3. Tolerances in bold are stocked for immediate shipment. 

4. Q measured using Agilent/HP4291A with Agilent/HP 16193 test fixture. 

**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 485-1 Revised 07/22/21 

© Coilcraft Inc. 2021 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. 

Document 485-2 

Halogen Free 

## **0603CT Series (1608)** 

## **Typical L vs Frequency** 

**==> picture [242 x 184] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>90<br>80<br>56 nH<br>70<br>60<br>50<br>39 nH<br>40<br>30 27 nH<br>20 18 nH<br>10 10 nH<br>5.6 nH<br>0<br>1 10 100 1000 10000<br>Frequency (MHz)<br>Inductance (nH)<br>**----- End of picture text -----**<br>


**==> picture [245 x 155] intentionally omitted <==**

**----- Start of picture text -----**<br>
B<br>overall<br>H<br>C<br>Pick and<br>D place G<br>material<br>A F<br>D G<br>terminalE Terminal wraparound:approx 0.006/0,15 both ends Recommended<br>Land Pattern<br>A max B max  C max  D  E  F  G  H<br> 0.064  0.033  0.024  0.013  0.030  0.025  0.025  0.040 inches<br> 1,63  0,84  0,61  0,33  0,76  0,64  0,64  1,02 mm<br>**----- End of picture text -----**<br>


**Note:** Dimensions are before optional solder application. For maximum height and length dimensions including solder, add 0.006 in / 0,152 mm. For maximum width dimension including solder, add 0.0025 in / 0,0635 mm. 

## **Typical Q vs Frequency** 

**==> picture [243 x 184] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>5.6 nH<br>90 10 nH<br>18 nH<br>80<br>27 nH<br>70<br>39 nH<br>60<br>50 56 nH<br>40<br>30<br>20<br>10<br>0<br>1 10 100 1000 10000<br>Frequency (MHz)<br>Q Factor<br>**----- End of picture text -----**<br>


**Designer’s Kit C423** contains 10 each of all 5% values; **Designer’s Kit C423-2** contains 10 each of all 2% values 

**Core material** Ceramic 

**Environmental** RoHS compliant, halogen free 

**Terminations** RoHS matte Sn over Ni over Ag-Pt-glass frit. Other terminations available at additional cost. 

**Weight** 1.4 – 2.3 mg 

**Ambient temperature** –40°C to +125°C with I rms 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)** +25 to +125 ppm/°C 

**Moisture Sensitivity Level (MSL)** 1 (unlimited floor life at <30°C / 85% relative humidity) 

**Packaging** 2000/7″reel; Paper tape: 8 mm wide, 0.68 mm thick, 4 mm  pocket spacing 

**PCB washing** Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf. 

**==> picture [118 x 44] intentionally omitted <==**

Document 485-2 Revised 07/22/21 

© Coilcraft Inc. 2021 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. 

**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

Updated at June 4, 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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