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| Part Number | SRR7045-271M | SRR7045-471M | SRR7045-221M | SRR7045-270M |
|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active |
| Type | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound | Drum Core, Wirewound |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 270 µH | 470 µH | 220 µH | 27 µH |
| Tolerance | ±20% | ±20% | ±20% | ±20% |
| Current Rating (Amps) | 400 mA | 320 mA | 450 mA | 1.25 A |
| Current - Saturation (Isat) | 275mA | 220mA | 360mA | 1A |
| Shielding | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 840mOhm Max | 1.1Ohm Max | 700mOhm Max | 110mOhm Max |
| Q @ Freq | 30 @ 796kHz | 80 @ 796kHz | 44 @ 796kHz | 25 @ 2.52MHz |
| Frequency - Self Resonant | 5MHz | 3MHz | 5MHz | 18MHz |
| Ratings | - | - | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Inductance Frequency - Test | 100 kHz | 100 kHz | 100 kHz | 100 kHz |
| Features | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | Nonstandard | Nonstandard | Nonstandard | Nonstandard |
| Supplier Device Package | - | - | - | - |
| Size / Dimension | 0.276" L x 0.276" W (7.00mm x 7.00mm) | 0.276" L x 0.276" W (7.00mm x 7.00mm) | 0.276" L x 0.276" W (7.00mm x 7.00mm) | 0.276" L x 0.276" W (7.00mm x 7.00mm) |
| Height - Seated (Max) | 0.189" (4.80mm) | 0.189" (4.80mm) | 0.189" (4.80mm) | 0.189" (4.80mm) |
