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| Part Number | 79F221K | 79F271K | 79F121K | 79F220K |
|---|---|---|---|---|
| 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 | 220 µH | 270 µH | 120 µH | 22 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 35 mA | 25 mA | 42 mA | 100 mA |
| Current - Saturation (Isat) | - | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 20Ohm Max | 25Ohm Max | 13Ohm Max | 3.4Ohm Max |
| Q @ Freq | 40 @ 790kHz | 40 @ 790kHz | 40 @ 790kHz | 40 @ 2.5MHz |
| Frequency - Self Resonant | 5MHz | 4.6MHz | 8MHz | 16MHz |
| Ratings | - | - | - | - |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 790 kHz | 790 kHz | 790 kHz | 2.5 MHz |
| Features | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial | Axial |
| Supplier Device Package | - | - | - | - |
| Size / Dimension | 0.100" Dia x 0.160" L (2.54mm x 4.06mm) | 0.100" Dia x 0.160" L (2.54mm x 4.06mm) | 0.100" Dia x 0.160" L (2.54mm x 4.06mm) | 0.100" Dia x 0.160" L (2.54mm x 4.06mm) |
| Height - Seated (Max) | - | - | - | - |
