Fixed Inductors

Use the filters and product table below to compare Fixed Inductors components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Type	Material - Core	Inductance	Tolerance	Current Rating (Amps)	Current - Saturation (Isat)	Shielding	DC Resistance (DCR)	Q @ Freq	Frequency - Self Resonant	Ratings	Operating Temperature	Inductance Frequency - Test	Features	Mounting Type	Supplier Device Package	Size / Dimension	Height - Seated (Max)
SMRF1812-181J MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	3,007	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	1.8 µH	±5%	556 mA	-	Unshielded	650mOhm Max	50 @ 7.9MHz	60MHz	-	-55°C ~ 125°C	7.9 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812S-272K MOLDED SHIELDED INDUCTOR Gowanda Electronics	4,285	-	RFQ	Datasheet	SMRF1812S	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	27 µH	±10%	358 mA	207mA	Shielded	1.56Ohm Max	50 @ 2.5MHz	13MHz	-	-55°C ~ 125°C	2.5 MHz	-	Surface Mount	1812	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.138" (3.50mm)
SMRF1812-181JLF MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	3,405	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	1.8 µH	±5%	556 mA	-	Unshielded	650mOhm Max	50 @ 7.9MHz	60MHz	-	-55°C ~ 125°C	7.9 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812-561J MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	3,170	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	5.6 µH	±5%	427 mA	-	Unshielded	1.1Ohm Max	50 @ 7.9MHz	33MHz	-	-55°C ~ 125°C	7.9 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812-822J MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	4,634	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	82 µH	±5%	169 mA	-	Unshielded	7Ohm Max	50 @ 2.5MHz	8MHz	-	-55°C ~ 125°C	2.5 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812S-562K MOLDED SHIELDED INDUCTOR Gowanda Electronics	4,659	-	RFQ	Datasheet	SMRF1812S	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	56 µH	±10%	264 mA	146mA	Shielded	2.86Ohm Max	50 @ 2.5MHz	8MHz	-	-55°C ~ 125°C	2.5 MHz	-	Surface Mount	1812	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.138" (3.50mm)
SMRF1812-391J MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	4,396	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	3.9 µH	±5%	472 mA	-	Unshielded	900mOhm Max	50 @ 7.9MHz	40MHz	-	-55°C ~ 125°C	7.9 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812-121J MOLDED UNSHIELDED INDUCTOR Gowanda Electronics	3,002	-	RFQ	Datasheet	SMRF1812	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	1.2 µH	±5%	604 mA	-	Unshielded	550mOhm Max	50 @ 7.9MHz	80MHz	-	-55°C ~ 125°C	7.9 MHz	-	Surface Mount	1812	0.175" L x 0.126" W (4.45mm x 3.20mm)	0.138" (3.50mm)
SMRF1812S-182K MOLDED SHIELDED INDUCTOR Gowanda Electronics	4,824	-	RFQ	Datasheet	SMRF1812S	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	18 µH	±10%	456 mA	254mA	Shielded	962mOhm Max	50 @ 2.5MHz	15MHz	-	-55°C ~ 125°C	2.5 MHz	-	Surface Mount	1812	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.138" (3.50mm)
SMRF1812S-222K MOLDED SHIELDED INDUCTOR Gowanda Electronics	2,115	-	RFQ	Datasheet	SMRF1812S	1812 (4532 Metric)	Tape & Reel (TR)	Active	Molded	Ferrite	22 µH	±10%	392 mA	228mA	Shielded	1.3Ohm Max	50 @ 2.5MHz	14MHz	-	-55°C ~ 125°C	2.5 MHz	-	Surface Mount	1812	0.177" L x 0.126" W (4.50mm x 3.20mm)	0.138" (3.50mm)

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FREQUENTLY ASKED QUESTIONS

Fixed Inductors FAQ

Common questions about filtering, comparing and sourcing Fixed Inductors components.

How can I narrow the Fixed Inductors selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Fixed Inductors part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.