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

7847804680

RF Inductors - SMD WE-MCI 68nH 1.25 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.017

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

68 nH

5 %

180 mA

1.25 Ohms

- 55 C

+ 125 C

800 MHz

Standard

1 mm

0.5 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840015G

RF Inductors - SMD WE-MK 0.3A 1.5nH Shd 0402 DCR=100 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.

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Availability : 4850
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September 2025

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	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

1.5 nH

0.1 nH

300 mA

100 mOhms

- 55 C

+ 125 C

8 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840118G

RF Inductors - SMD WE-MK DCRes=0.51Ohms 0402 0.3A +/- 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.

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Availability : 4850
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September 2025

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36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

18 nH

2 %

300 mA

510 mOhms

- 55 C

+ 125 C

2.1 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847806180

RF Inductors - SMD WE-MCI 18nH 0.35 Ohms Q-Factor=12 AEC-Q200

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September 2025

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	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

18 nH

5 %

300 mA

350 mOhms

- 55 C

+ 125 C

2 GHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7847806820

RF Inductors - SMD WE-MCI 82nH 0.95 Ohms Q-Factor=12 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.

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Availability : 4850
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

82 nH

5 %

300 mA

950 mOhms

- 55 C

+ 125 C

600 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840122G

RF Inductors - SMD WE-MK 0.3A 22nH Shld 0402 DCR=580 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 Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

22 nH

2 %

300 mA

580 mOhms

- 55 C

+ 125 C

1.8 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840156G

RF Inductors - SMD WE-MK DCRes= 1,2Ohms 0402 0.2A +/- 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

56 nH

2 %

200 mA

1.2 Ohms

- 55 C

+ 125 C

800 MHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840168G

RF Inductors - SMD WE-MK 0.18A 68nH Shd 0402 DCR=1.25 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

68 nH

2 %

180 mA

1.25 Ohms

- 55 C

+ 125 C

800 MHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847805560

RF Inductors - SMD WE-MCI 5.6nH 0.18 Ohms Q-Factor=10 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

5.6 nH

0.3 %

300 mA

180 mOhms

- 55 C

+ 125 C

4 GHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840133G

RF Inductors - SMD WE-MK 0.2A 33nH Shld 0402 DCR=670 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 Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

33 nH

2 %

200 mA

670 mOhms

- 55 C

+ 125 C

1.5 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840027G

RF Inductors - SMD WE-MK 0.3A 2.7nH Shd 0402 DCR=170 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 Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

2.7 nH

0.1 nH

300 mA

170 mOhms

- 55 C

+ 125 C

6 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847806330

RF Inductors - SMD WE-MCI 33nH 0.55 Ohms Q-Factor=12 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

33 nH

5 %

300 mA

550 mOhms

- 55 C

+ 125 C

1.2 GHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7847806220

RF Inductors - SMD WE-MCI 22nH 0.4 Ohms Q-Factor=12 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

22 nH

5 %

300 mA

400 mOhms

- 55 C

+ 125 C

1.6 GHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840010G

RF Inductors - SMD WE-MK 0.3A 1nH Sheld 0402 DCR=100 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 Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

1 nH

0.1 nH

300 mA

100 mOhms

- 55 C

+ 125 C

8 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840012G

RF Inductors - SMD WE-MK DCResi=0.1Ohms 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

1.2 nH

0.1 nH

300 mA

100 mOhms

- 55 C

+ 125 C

8 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840030G

RF Inductors - SMD WE-MK 0.3A 3nH Shiel 0402 DCR=180 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 Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

3 nH

0.1 nH

300 mA

180 mOhms

- 55 C

+ 125 C

6 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7447840147G

RF Inductors - SMD WE-MK 0.2A 47nH Shld 0402 DCR=1.15 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0402 (1005 METRIC)

Shielded

47 nH

2 %

200 mA

1.15 Ohms

- 55 C

+ 125 C

1 GHz

Standard

1 mm

0.5 mm

Ceramic

WE - MK

Reel , Cut Tape

7847806470

RF Inductors - SMD WE-MCI 47nH 0.7 Ohms Q-Factor=12 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

47 nH

5 %

300 mA

700 mOhms

- 55 C

+ 125 C

900 MHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7847806150

RF Inductors - SMD WE-MCI 15nH 0.32 Ohms Q-Factor=12 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025

September 2025
	S	M	T	W	T	F	S
36	31	1	2	3	4	5	6
37	7	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11

USD 0.0255

Multiples of: 1

Multilayer

0603 (1608 METRIC)

Shielded

15 nH

5 %

300 mA

320 mOhms

- 55 C

+ 125 C

2.3 GHz

Standard

1.6 mm

0.8 mm

Ceramic

AEC - Q200

WE - MCI

Reel , Cut Tape

7447840022G

RF Inductors - SMD WE-MK DCRes=0.15Ohms 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
Ship by Thu. 11 Sep to Mon. 22 Sep

September 2025