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| Part Number | 77F1R0K | 78F1R0K | 77F1R2K | 77F1R5K | 77F1R8K | 77F100K | 77F120K | 77F150K | 77F180K |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 1 µH | 1 µH | 1.2 µH | 1.5 µH | 1.8 µH | 10 µH | 12 µH | 15 µH | 18 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 920 mA | 385 mA | 880 mA | 830 mA | 790 mA | 500 mA | 480 mA | 460 mA | 430 mA |
| Current - Saturation (Isat) | - | - | - | - | - | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 170mOhm Max | 150mOhm Max | 210mOhm Max | 230mOhm Max | 250mOhm Max | 580mOhm Max | 630mOhm Max | 720mOhm Max | 770mOhm Max |
| Q @ Freq | 45 @ 25.2MHz | 40 @ 25MHz | 50 @ 7.96MHz | 50 @ 7.96MHz | 55 @ 7.96MHz | 85 @ 2.52MHz | 75 @ 2.52MHz | 70 @ 2.52MHz | 65 @ 2.52MHz |
| Frequency - Self Resonant | 157MHz | 180MHz | 144MHz | 131MHz | 121MHz | 45MHz | 34MHz | 20MHz | 14MHz |
| Ratings | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 25.2 MHz | 25 MHz | 7.96 MHz | 7.96 MHz | 7.96 MHz | 2.52 MHz | 2.52 MHz | 2.52 MHz | 2.52 MHz |
| Features | - | - | - | - | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial | Axial | Axial | Axial | Axial | Axial | Axial |
| Supplier Device Package | - | - | - | - | - | - | - | - | - |
| Size / Dimension | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.110" Dia x 0.280" L (2.79mm x 7.11mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) | 0.157" Dia x 0.410" L (3.99mm x 10.41mm) |
| Height - Seated (Max) | - | - | - | - | - | - | - | - | - |
