About RF inductors - SMD

RF inductors - SMD

RF (Radio Frequency) inductors in SMD (Surface Mount Device) form are specialized components used in high-frequency electronic circuits and applications. SMD RF inductors are designed to be mounted directly onto the surface of a circuit board, offering advantages such as space-saving, easy assembly, and compatibility with automated manufacturing processes.
RF inductors are specifically optimized for operation at radio frequency ranges, typically from a few megahertz (MHz) up to several gigahertz (GHz). They are commonly used in RF applications, including RF filters, oscillators, RF amplifiers, impedance matching networks, and wireless communication systems.
SMD RF inductors feature a compact design and are constructed similarly to other inductors. They consist of a coil wound on a core material, but with specific considerations for high-frequency performance and minimizing parasitic effects. These parasitic effects include self-capacitance, series resistance, and interwinding capacitance, which can impact the inductor's performance at high frequencies.
The core materials used in SMD RF inductors are carefully chosen to provide high magnetic permeability, low losses, and stable performance across the desired frequency range. Common core materials for RF inductors include ceramic materials, ferrite, and powdered iron.
SMD RF inductors come in various package sizes and shapes, denoted by standardized codes such as 0402, 0603, or 0805, indicating their dimensions in terms of length and width. This allows for easy integration into surface mount technology and efficient assembly onto circuit boards.
When selecting SMD RF inductors, critical parameters to consider include inductance value, quality factor (Q factor), self-resonant frequency (SRF), and maximum current handling capability. The inductance value determines the component's ability to store energy in its magnetic field, while the Q factor represents its efficiency and ability to maintain high-quality performance. The SRF indicates the frequency at which the inductor starts to exhibit resonance due to its parasitic capacitance. Maximum current handling capability is crucial for ensuring the inductor can withstand the power demands of the RF circuit.
SMD RF inductors are chosen based on specific circuit requirements, such as the desired operating frequency, impedance matching, bandwidth, and available board space. They are essential components in RF systems, contributing to impedance control, filtering, and energy storage functions necessary for reliable and efficient RF signal processing and wireless communication.

RF inductors - SMD

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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty	Type	Package / Case	Shielding	Inductance	Tolerance	Maximum DC Current	Maximum DC Resistance	Saturation Current	Minimum Operating Temperature	Maximum Operating Temperature	Q Minimum	Self Resonant Frequency	Termination	Length	Width	Height	Diameter	Core Material	Qualification	Series	Packaging

7447840039G

RF Inductors - SMD WE-MK DCRes=0.19Ohms 0402 0.3A +/- 0.1nH

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

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44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
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47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0289

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

3.9 nH

0.1 nH

300 mA

190 mOhms

- 55 C

+ 125 C

6 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847806331

RF Inductors - SMD WE-MCI 330nH 2.1 Ohms Q-Factor=8 AEC-Q200

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Wurth

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45	2	3	4	5	6	7	8
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47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0324

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

330 nH

5 %

300 mA

2.1 Ohms

- 55 C

+ 125 C

350 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7847806271

RF Inductors - SMD WE-MCI 270nH 1.9 Ohms Q-Factor=8 AEC-Q200

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Wurth

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45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0324

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

270 nH

5 %

300 mA

1.9 Ohms

- 55 C

+ 125 C

400 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7847806471

RF Inductors - SMD WE-MCI 470nH 2.6 Ohms Q-Factor=8 AEC-Q200

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45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0324

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

470 nH

5 %

150 mA

2.6 Ohms

- 55 C

+ 125 C

300 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840222G

RF Inductors - SMD WE-MK DCRes= 3.77Ohms 0402 0.12A +/- 2%

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Wurth

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44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0333

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

220 nH

2 %

120 mA

3.77 Ohms

- 55 C

+ 125 C

500 MHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840210G

RF Inductors - SMD WE-MK DCRes= 1.6Ohms 0402 0.15A +/- 2%

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0333

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

100 nH

2 %

150 mA

1.6 Ohms

- 55 C

+ 125 C

600 MHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840212G

RF Inductors - SMD WE-MK 0.15A 120nH Sh 0402 DCR=1.6 Ohms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0333

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

120 nH

2 %

150 mA

1.6 Ohms

- 55 C

+ 125 C

600 MHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847806391

RF Inductors - SMD WE-MCI 390nH 2.3 Ohms Q-Factor=8 AEC-Q200

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

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	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0359

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

390 nH

5 %

150 mA

2.3 Ohms

- 55 C

+ 125 C

350 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

MLG0603S39NJTD25

RF Inductors - SMD IND 0201 39nH StdQ AEC Q200 RF IND

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK

Availability : 4850
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October 2025

October 2025
	S	M	T	W	T	F	S
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11
42	12	13	14	15	16	17	18
43	19	20	21	22	23	24	25
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8

USD 0.0367

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Unshielded

39 nH

5 %

50 mA

2 Ohms

- 55 C

+ 125 C

1.6 GHz

Standard

0.6 mm

0.3 mm

Ceramic

AEC - Q200

MLG

Reel , Cut Tape

7447820022G

RF Inductors - SMD WE-MK 0.36A 2.2nH Sh 0201 DCR=190 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

2.2 nH

0.1 nH

360 mA

190 mOhms

- 55 C

+ 125 C

8 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820115G

RF Inductors - SMD WE-MK 0.18A 15 nH Sh 0201 DCR=710 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

15 nH

2 %

180 mA

710 mOhms

- 55 C

+ 125 C

2.3 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820047G

RF Inductors - SMD WE-MK 0.28A 4.7nH Sh 0201 DCR=300 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

4.7 nH

0.1 nH

280 mA

300 mOhms

- 55 C

+ 125 C

5.3 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820043G

RF Inductors - SMD WE-MK 0.28A 4.3nH Sh 0201 DCR=300 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

4.3 nH

0.1 nH

280 mA

300 mOhms

- 55 C

+ 125 C

5.7 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820110G

RF Inductors - SMD WE-MK 0.22A 10nH Shd 0201 DCR=510 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

10 nH

2 %

220 mA

510 mOhms

- 55 C

+ 125 C

2.9 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820082G

RF Inductors - SMD WE-MK 0.23A 8.2nH Sh 0201 DCR=450 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0377

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

8.2 nH

2 %

230 mA

450 mOhms

- 55 C

+ 125 C

3.4 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820039G

RF Inductors - SMD WE-MK 0.3A 3.9nH Shd 0201 DCR=270 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

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44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0386

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

3.9 nH

0.1 nH

300 mA

270 mOhms

- 55 C

+ 125 C

6 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820133G

RF Inductors - SMD WE-MK 0.11A 33nH Shd 0201 DCR=1.5 Ohms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

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	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0386

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

33 nH

2 %

110 mA

1.5 Ohms

- 55 C

+ 125 C

1.7 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820127G

RF Inductors - SMD WE-MK DCRe= 1,35Ohms 0201 0.12A +/- 2%

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
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November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0386

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

27 nH

2 %

120 mA

1.35 Ohms

- 55 C

+ 125 C

1.8 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820062G

RF Inductors - SMD WE-MK 0.25A 6.2nH Sh 0201 DCR=380 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
Ship by Wed. 05 Nov to Fri. 14 Nov

November 2025

November 2025
	S	M	T	W	T	F	S
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26	27	28	29
49	30	1	2	3	4	5	6

USD 0.0386

Multiples of: 1

Multilayer

0201 (0603 METRIC)

Shielded

6.2 nH

2 %

250 mA

380 mOhms

- 55 C

+ 125 C

4.2 GHz

Standard

0.6 mm

0.3 mm

Ceramic

WE - MK

Reel , Cut Tape

7447820033G

RF Inductors - SMD WE-MK 0.32A 3.3nH Sh 0201 DCR=230 mOhms

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth

Availability : 4850
Ship by Wed. 05 Nov to Fri. 14 Nov

November 2025