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| Part Number | 78F1R0K | 78F1R8K | 79F1R0K | 77F1R0K |
|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 1 µH | 1.8 µH | 1 µH | 1 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 385 mA | 455 mA | 270 mA | 920 mA |
| Current - Saturation (Isat) | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 150mOhm Max | 250mOhm Max | 800mOhm Max | 170mOhm Max |
| Q @ Freq | 40 @ 25MHz | 50 @ 7.9MHz | 35 @ 25MHz | 45 @ 25.2MHz |
| Frequency - Self Resonant | 180MHz | 125MHz | 150MHz | 157MHz |
| Ratings | - | - | - | - |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 25 MHz | 7.9 MHz | 25 MHz | 25.2 MHz |
| Features | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial | Axial |
| Supplier Device Package | - | - | - | - |
| Size / Dimension | 0.110" Dia x 0.280" L (2.79mm x 7.11mm) | 0.110" Dia x 0.280" L (2.79mm x 7.11mm) | 0.100" Dia x 0.160" L (2.54mm x 4.06mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) |
| Height - Seated (Max) | - | - | - | - |
