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| PartNumber | 1840-28H | 1840-28F | 1840-28G |
| Description | Fixed Inductors 8.2uH 3% .4ohm Unshield Molded Coil | Fixed Inductors 8.2uH 1% .4ohm Unshield Molded Coil | Fixed Inductors 8.2uH 2% .4ohm Unshield Molded Coil |
| Manufacturer | API Delevan Inc. | API Delevan Inc. | API Delevan Inc. |
| Product Category | Fixed Inductors | Fixed Inductors | Fixed Inductors |
| Series | 1840 | 1840 | 1840 |
| Product | RF Inductors | RF Inductors | RF Inductors |
| Type | Molded | Molded | Molded |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Current Rating | 560mA | 560mA | 560mA |
| Termination Style | Axial | Axial | Axial |
| Length | 11.1 mm | 11.1 mm | 11.1 mm |
| Package Case | Axial | Axial | Axial |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Size Dimension | 0.187" Dia x 0.437" L (4.75mm x 11.10mm) | 0.187" Dia x 0.437" L (4.75mm x 11.10mm) | 0.187" Dia x 0.437" L (4.75mm x 11.10mm) |
| Tolerance | ±3% | ±1% | ±2% |
| Height Seated Max | - | - | - |
| Ratings | - | - | - |
| Diameter | 4.75 mm | 4.75 mm | 4.75 mm |
| Shielding | Unshielded | Unshielded | Unshielded |
| Inductance | 8.2μH | 8.2μH | 8.2μH |
| DC Resistance DCR | 400 mOhm Max | 400 mOhm Max | 400 mOhm Max |
| Material Core | Iron | Iron | Iron |
| Current Saturation | - | - | - |
| Q Freq | 35 @ 7.9MHz | 35 @ 7.9MHz | 35 @ 7.9MHz |
| Frequency Self Resonant | 48MHz | 48MHz | 48MHz |
| Frequency Test | 7.9MHz | 7.9MHz | 7.9MHz |
| Maximum DC Current | 560 mA | 560 mA | 560 mA |
| Maximum DC Resistance | 400 mOhms | 400 mOhms | 400 mOhms |
| Self Resonant Frequency | 48 MHz | 48 MHz | 48 MHz |
| Q Minimum | 35 | 35 | 35 |