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| Part Number | SRR1240-271K | SRR1260-271K | SRR1240-471K | SRR1240-221K |
|---|---|---|---|---|
| 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 | 270 µH | 470 µH | 220 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 800 mA | 1.3 A | 620 mA | 920 mA |
| Current - Saturation (Isat) | 800mA | 1.2A | 600mA | 900mA |
| Shielding | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 780mOhm Max | 450mOhm Max | 1.35Ohm Max | 660mOhm Max |
| Q @ Freq | 10 @ 796kHz | 20 @ 796kHz | 12 @ 796kHz | 12 @ 796kHz |
| Frequency - Self Resonant | 6MHz | 3.6MHz | 4.5MHz | 6.6MHz |
| 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 | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) | 0.492" L x 0.492" W (12.50mm x 12.50mm) |
| Height - Seated (Max) | 0.177" (4.50mm) | 0.256" (6.50mm) | 0.177" (4.50mm) | 0.177" (4.50mm) |
