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| Part Number | 77F1R2K | 77F1R5K | 77F1R8K | 77F2R2K | 77F8R2K | 77F1R0K |
|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | 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 |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 1.2 µH | 1.5 µH | 1.8 µH | 2.2 µH | 8.2 µH | 1 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 880 mA | 830 mA | 790 mA | 750 mA | 530 mA | 920 mA |
| Current - Saturation (Isat) | - | - | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 210mOhm Max | 230mOhm Max | 250mOhm Max | 280mOhm Max | 520mOhm Max | 170mOhm Max |
| Q @ Freq | 50 @ 7.96MHz | 50 @ 7.96MHz | 55 @ 7.96MHz | 55 @ 7.96MHz | 80 @ 7.96MHz | 45 @ 25.2MHz |
| Frequency - Self Resonant | 144MHz | 131MHz | 121MHz | 110MHz | 53MHz | 157MHz |
| 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 |
| Inductance Frequency - Test | 7.96 MHz | 7.96 MHz | 7.96 MHz | 7.96 MHz | 7.96 MHz | 25.2 MHz |
| Features | - | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial | Axial | Axial | Axial |
| Supplier Device Package | - | - | - | - | - | - |
| Size / Dimension | 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) | - | - | - | - | - | - |
