Fixed Inductors
Explore Fixed Inductors parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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SMRF1812-272KMOLDED UNSHIELDED INDUCTOR |
3,871 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 27 µH | ±10% | 236 mA | - | Unshielded | 3.6Ohm Max | 50 @ 2.5MHz | 12MHz | - | -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) |
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SMRF1812-181KMOLDED UNSHIELDED INDUCTOR |
3,939 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 1.8 µH | ±10% | 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) |
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SMRF1812-821KMOLDED UNSHIELDED INDUCTOR |
3,085 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 8.2 µH | ±10% | 375 mA | - | Unshielded | 1.4Ohm Max | 50 @ 7.9MHz | 25MHz | - | -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) |
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SMRF1812-180JMOLDED UNSHIELDED INDUCTOR |
2,606 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 180 nH | ±5% | 757 mA | - | Unshielded | 350mOhm Max | 40 @ 25MHz | 400MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-561KMOLDED UNSHIELDED INDUCTOR |
2,778 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 5.6 µH | ±10% | 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) |
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SMRF1812S-820MMOLDED SHIELDED INDUCTOR |
1,074 |
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Datasheet | SMRF1812S | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 820 nH | ±20% | 1.059 A | 750mA | Shielded | 178mOhm Max | 40 @ 25MHz | 155MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-392KMOLDED UNSHIELDED INDUCTOR |
4,033 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 39 µH | ±10% | 211 mA | - | Unshielded | 4.5Ohm Max | 50 @ 2.5MHz | 11MHz | - | -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) |
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SMRF1812S-180MMOLDED SHIELDED INDUCTOR |
3,945 |
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Datasheet | SMRF1812S | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 180 nH | ±20% | 1.665 A | 1.636A | Shielded | 72mOhm Max | 50 @ 25MHz | 350MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-820JMOLDED UNSHIELDED INDUCTOR |
2,627 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 820 nH | ±5% | 354 mA | - | Unshielded | 1.6Ohm Max | 40 @ 25MHz | 140MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-390JMOLDED UNSHIELDED INDUCTOR |
4,298 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 390 nH | ±5% | 535 mA | - | Unshielded | 700mOhm Max | 40 @ 25MHz | 220MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812S-270MMOLDED SHIELDED INDUCTOR |
4,612 |
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Datasheet | SMRF1812S | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 270 nH | ±20% | 1.457 A | 1.385A | Shielded | 94mOhm Max | 50 @ 25MHz | 280MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-271KMOLDED UNSHIELDED INDUCTOR |
1,166 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 2.7 µH | ±10% | 517 mA | - | Unshielded | 750mOhm Max | 50 @ 7.9MHz | 50MHz | - | -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) |
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SMRF1812-680JMOLDED UNSHIELDED INDUCTOR |
2,994 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 680 nH | ±5% | 379 mA | - | Unshielded | 1.4Ohm Max | 40 @ 25MHz | 150MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-560JMOLDED UNSHIELDED INDUCTOR |
2,475 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 560 nH | ±5% | 409 mA | - | Unshielded | 1.2Ohm Max | 40 @ 25MHz | 170MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812-122KLFMOLDED UNSHIELDED INDUCTOR |
2,390 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 12 µH | ±10% | 317 mA | - | Unshielded | 2Ohm Max | 50 @ 2.5MHz | 18MHz | - | -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) |
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SMRF1812-182KMOLDED UNSHIELDED INDUCTOR |
3,527 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 18 µH | ±10% | 268 mA | - | Unshielded | 2.8Ohm Max | 50 @ 2.5MHz | 15MHz | - | -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) |
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SMRF1812-101KLFMOLDED UNSHIELDED INDUCTOR |
1,463 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 1 µH | ±10% | 634 mA | - | Unshielded | 500mOhm Max | 50 @ 7.9MHz | 200MHz | - | -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) |
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SMRF1812-121KLFMOLDED UNSHIELDED INDUCTOR |
3,738 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 1.2 µH | ±10% | 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) |
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SMRF1812-470JMOLDED UNSHIELDED INDUCTOR |
1,300 |
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Datasheet | SMRF1812 | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Iron Powder | 470 nH | ±5% | 501 mA | - | Unshielded | 800mOhm Max | 40 @ 25MHz | 190MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.175" L x 0.126" W (4.45mm x 3.20mm) | 0.138" (3.50mm) |
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SMRF1812S-150MMOLDED SHIELDED INDUCTOR |
2,286 |
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Datasheet | SMRF1812S | 1812 (4532 Metric) | Tape & Reel (TR) | Active | Molded | Ferrite | 150 nH | ±20% | 1.824 A | 1.8A | Shielded | 60mOhm Max | 50 @ 25MHz | 390MHz | - | -55°C ~ 125°C | 25 MHz | - | Surface Mount | 1812 | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.138" (3.50mm) |
Frequently Asked Questions
What are Fixed Inductors components used for?
Fixed Inductors components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Fixed Inductors part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Fixed Inductors parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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