| PartNumber | IMC1812ER221J | IMC1812ER220K | IMC1812ER220J |
| Description | Fixed Inductors 220uH 5% | Fixed Inductors 22uH 10% | Fixed Inductors 22uH 5% |
| Manufacturer | Vishay Dale | Vishay Dale | Vishay |
| Product Category | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| Series | IMC-1812 | IMC-1812 | IMC-1812 |
| Product | RF Inductors | RF Inductors | RF Inductors |
| Type | Wirewound | Wirewound | Wirewound |
| Packaging | Tape & Reel (TR) | Digi-ReelR Alternate Packaging | Tape & Reel (TR) |
| Unit Weight | 0.000952 oz | 0.000952 oz | 0.000952 oz |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Current Rating | 100mA | 180mA | 180mA |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package Case | 1812 (4532 metric) | 1812 (4532 metric) | 1812 (4532 metric) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Size Dimension | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) | 0.177" L x 0.126" W (4.50mm x 3.20mm) |
| Tolerance | ±5% | ±10% | ±5% |
| Height Seated Max | 0.134" (3.40mm) | 0.134" (3.40mm) | 0.134" (3.40mm) |
| Ratings | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded |
| Inductance | 220μH | 22μH | 22μH |
| DC Resistance DCR | 10 Ohm Max | 3.2 Ohm Max | 3.2 Ohm Max |
| Material Core | Ferrite | Powdered Iron | Powdered Iron |
| Current Saturation | - | - | - |
| Q Freq | 40 @ 790kHz | 50 @ 2.52MHz | 50 @ 2.52MHz |
| Frequency Self Resonant | 4MHz | 13MHz | 13MHz |
| Frequency Test | 790kHz | 2.52MHz | 2.52MHz |
| Maximum DC Resistance | 280 mOhms | 3.2 Ohms | 3.2 Ohms |
| Operating Temperature Range | - | - 40 C to + 105 C | - |
| Height | - | 3.2 mm | - |
| Length | - | 4.5 mm | 3.2 mm |
| Width | - | 3.2 mm | 3.2 mm |
| Test Frequency | - | 2.52 MHz | - |
| Maximum DC Current | - | 180 mA | 180 mA |
| Self Resonant Frequency | - | 13 MHz | 30 MHz |
| Q Minimum | - | 50 | 50 |