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| Part Number | 70F221AF-RC | 70F251AF-RC | 70F121AF-RC |
|---|---|---|---|
| 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 | 220 mH | 250 mH | 120 mH |
| Tolerance | ±5% | ±5% | ±5% |
| Current Rating (Amps) | 39 mA | 37 mA | 48 mA |
| Current - Saturation (Isat) | - | - | - |
| Shielding | Unshielded | Unshielded | Unshielded |
| DC Resistance (DCR) | 424Ohm Max | 468Ohm Max | 288Ohm Max |
| Q @ Freq | 51 @ 25kHz | 52 @ 25kHz | 46 @ 25kHz |
| Frequency - Self Resonant | 70kHz | 65kHz | 84kHz |
| Ratings | - | - | - |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 25 kHz | 25 kHz | 25 kHz |
| Features | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial |
| Supplier Device Package | - | - | - |
| Size / Dimension | 0.540" Dia x 0.880" L (13.72mm x 22.35mm) | 0.550" Dia x 0.880" L (13.97mm x 22.35mm) | 0.480" Dia x 0.880" L (12.20mm x 22.35mm) |
| Height - Seated (Max) | - | - | - |
