| PartNumber | 1812R-390M | 1812R-390J | 1812R-390K |
| Description | Fixed Inductors .039uH 20% : Unshielded SMT Induc | Fixed Inductors .039uH 5% : Unshielded SMT Induc | Fixed Inductors .039uH 10% : Unshielded SMT Induc |
| Manufacturer | API Delevan Inc. | API Delevan Inc. | - |
| Product Category | Fixed Inductors | Fixed Inductors | - |
| Series | 1812R | 1812R | - |
| Product | RF Inductors | RF Inductors | - |
| Type | Unshielded Surface Mount Inductors | Unshielded Surface Mount Inductors | - |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | - |
| Unit Weight | 0.000952 oz | 0.000952 oz | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Current Rating | 870mA | 870mA | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Operating Temperature Range | - 55 C to + 125 C | - 55 C to + 125 C | - |
| Height | 3.4 mm | 3.4 mm | - |
| Length | 4.83 mm | 4.83 mm | - |
| Width | 3.4 mm | 3.4 mm | - |
| Package Case | 1812 (4532 metric) | 1812 (4532 metric) | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Size Dimension | 0.126" L x 0.126" W (3.20mm x 3.20mm) | 0.126" L x 0.126" W (3.20mm x 3.20mm) | - |
| Tolerance | ±20% | ±5% | - |
| Height Seated Max | 0.190" (4.83mm) | 0.190" (4.83mm) | - |
| Ratings | - | - | - |
| Shielding | Unshielded | Unshielded | - |
| Test Frequency | 50 MHz | - | - |
| Inductance | 39nH | 39nH | - |
| DC Resistance DCR | 200 mOhm Max | 200 mOhm Max | - |
| Material Core | Phenolic | Phenolic | - |
| Current Saturation | - | - | - |
| Q Freq | 30 @ 50MHz | 30 @ 50MHz | - |
| Frequency Self Resonant | 1GHz | 1GHz | - |
| Frequency Test | 50MHz | 50MHz | - |
| Maximum DC Current | 870 mA | 870 mA | - |
| Maximum DC Resistance | 200 mOhms | 700 mOhms | - |
| Self Resonant Frequency | 1000 MHz | 1000 MHz | - |
| Core Material | Phenolic | Ferrite | - |
| Q Minimum | 30 | 30 | - |