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| Part Number | 77F2R7K | 77F4R7K | 77F2R2K |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Obsolete | Obsolete | Obsolete |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite |
| Inductance | 2.7 µH | 4.7 µH | 2.2 µH |
| Tolerance | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 720 mA | 620 mA | 750 mA |
| Current - Saturation (Isat) | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 300mOhm Max | 390mOhm Max | 280mOhm Max |
| Q @ Freq | 60 @ 7.96MHz | 70 @ 7.96MHz | 55 @ 7.96MHz |
| Frequency - Self Resonant | 100MHz | 80MHz | 110MHz |
| Ratings | - | - | - |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 7.96 MHz | 7.96 MHz | 7.96 MHz |
| Features | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 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) |
| Height - Seated (Max) | - | - | - |
