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| Part Number | SRF1280A-221M | SRF1280A-821M | SRF1260A-221M | SRF1280-221M | SRF1280A-220M |
|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Number of Coils | 2 | 2 | 2 | 2 | 2 |
| Inductance - Connected In Parallel | 220 µH | 820 µH | 220 µH | 220 µH | 22 µH |
| Inductance - Connected In Series | 880 µH | 3.28 mH | 880 µH | 880 µH | 88 µH |
| Tolerance | ±20% | ±20% | ±20% | ±20% | ±20% |
| Current Rating - Parallel | 1.29 A | 650 mA | 1.19 A | 1.29 A | 4 A |
| Current Rating - Series | 645 mA | 325 mA | 594 mA | 645 mA | 2 A |
| Current Saturation - Parallel | 2.43 A | 1.27 A | 1.51 A | 2.43 A | 7.57 A |
| Current Saturation - Series | 1.22 A | 633 mA | 755 mA | 1.22 A | 3.78 A |
| DC Resistance (DCR) - Parallel | 343mOhm Max | 1.632Ohm Max | 354mOhm Max | 343mOhm Max | 50.3mOhm Max |
| DC Resistance (DCR) - Series | 1.38Ohm Max | 5.896Ohm Max | 1.416Ohm Max | 1.38Ohm Max | 192mOhm Max |
| Shielding | Shielded | Shielded | Shielded | Shielded | Shielded |
| 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 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | Nonstandard | Nonstandard | Nonstandard | Nonstandard | Nonstandard |
| 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 | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.244" (6.20mm) | 0.315" (8.00mm) | 0.315" (8.00mm) |
