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| Part Number | SRR1280-391K | SRR1280A-391K | SRR1260-391K | SRR1280-331K |
|---|---|---|---|---|
| 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 |
| Material - Core | Ferrite | Ferrite | Ferrite | Ferrite |
| Inductance | 390 µH | 390 µH | 390 µH | 330 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 1 A | 1 A | 1.08 A | 1.1 A |
| Current - Saturation (Isat) | 1.4A | 1.4A | 1A | 1.4A |
| Shielding | Shielded | Shielded | Shielded | Shielded |
| DC Resistance (DCR) | 680mOhm Max | 680mOhm Max | 700mOhm Max | 600mOhm Max |
| Q @ Freq | 20 @ 796kHz | 24 @ 796kHz | 20 @ 796kHz | 18 @ 796kHz |
| Frequency - Self Resonant | 2.7MHz | 2.7MHz | 2.8MHz | 2.9MHz |
| Ratings | - | AEC-Q200 | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Inductance Frequency - Test | 100 kHz | 1 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 | - | 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) |
| Height - Seated (Max) | 0.315" (8.00mm) | 0.315" (8.00mm) | 0.256" (6.50mm) | 0.315" (8.00mm) |
