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| Part Number | SRR1280A-271K | SRR1280A-471K | SRR1260A-271K | SRR1280-271K | SRR1280A-221K |
|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Type | - | - | Drum Core, Wirewound | Drum Core, Wirewound | - |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 270 µH | 470 µH | 270 µH | 270 µH | 220 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 1.2 A | 900 mA | 1.3 A | 1.2 A | 1.6 A |
| Current - Saturation (Isat) | 1.6A | 1.25A | 1.2A | 1.6A | 1.7A |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 450mOhm Max | 880mOhm Max | 450mOhm Max | 450mOhm Max | 400mOhm Max |
| Q @ Freq | 20 @ 796kHz | 20 @ 796kHz | 20 @ 796kHz | 20 @ 796kHz | 24 @ 796kHz |
| Frequency - Self Resonant | 3.1MHz | 2.2MHz | 3.6MHz | 3.1MHz | 3.4MHz |
| Ratings | AEC-Q200 | AEC-Q200 | AEC-Q200 | - | AEC-Q200 |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Inductance Frequency - Test | 1 kHz | 1 kHz | 1 kHz | 100 kHz | 1 kHz |
| Features | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard |
| Supplier Device Package | 1280 | 1280 | - | - | 1280 |
| 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) | 0.492" L x 0.492" W (12.50mm x 12.50mm) |
| Height - Seated (Max) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.256" (6.50mm) | 0.315" (8.00mm) | 0.315" (8.00mm) |
